VB.Net Tutorial/2D Graphics

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Содержание

CellAscent, Descent, EmHeight, LineSpacing

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class MeasureString
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
        Dim textArea As SizeF
        Dim linePen As Pen
        Dim largeFont As Font
        Dim fontRatio As Single
        Dim ascentSize As Single
        Dim descentSize As Single
        Dim emSize As Single
        Dim cellHeight As Single
        Dim internalLeading As Single
        Dim externalLeading As Single
        e.Graphics.TextRenderingHint = Drawing.Text.TextRenderingHint.AntiAlias
        largeFont = New Font("Times New Roman", 96, FontStyle.Regular)
        fontRatio = largeFont.Height / largeFont.FontFamily.GetLineSpacing(FontStyle.Regular)
        textArea = e.Graphics.MeasureString("AbcJgp", largeFont)
        e.Graphics.DrawString("AbcJgp", largeFont, Brushes.Black, 0, 0)
        linePen = New Pen(Color.Gray, 1)
        linePen.DashStyle = Drawing2D.DashStyle.Dash
        ascentSize = largeFont.FontFamily.GetCellAscent(FontStyle.Regular) * fontRatio
        descentSize = largeFont.FontFamily.GetCellDescent(FontStyle.Regular) * fontRatio
        emSize = largeFont.FontFamily.GetEmHeight(FontStyle.Regular) * fontRatio
        cellHeight = ascentSize + descentSize
        internalLeading = cellHeight - emSize
        externalLeading = (largeFont.FontFamily.GetLineSpacing(FontStyle.Regular) * fontRatio) - cellHeight
        e.Graphics.DrawLine(linePen, 0, 0, textArea.Width, 0)
        e.Graphics.DrawLine(linePen, 0, textArea.Height, textArea.Width, textArea.Height)
        e.Graphics.DrawLine(linePen, 0, ascentSize, textArea.Width, ascentSize)
        e.Graphics.DrawLine(linePen, 0, ascentSize + descentSize, textArea.Width, ascentSize + descentSize)
        linePen.Dispose()
        largeFont.Dispose()
        e.Graphics.ResetTransform()
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.PictureBox1 = New System.Windows.Forms.PictureBox
        CType(Me.PictureBox1, System.ruponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        "
        "PictureBox1
        "
        Me.PictureBox1.BackColor = System.Drawing.Color.White
        Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.PictureBox1.Location = New System.Drawing.Point(8, 8)
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(550, 224)
        Me.PictureBox1.TabIndex = 0
        Me.PictureBox1.TabStop = False
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(600, 242)
        Me.Controls.Add(Me.PictureBox1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
        Me.MaximizeBox = False
        Me.Name = "Form1"
        Me.Text = "Measuring Text"
        CType(Me.PictureBox1, System.ruponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
End Class

Create and use FontStyle

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontStyleCreate
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        textStyle = FontStyle.Regular
        mainFont = New Font("Arial", 40, textStyle)
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        canvas.DrawString("www.vbex.ru",mainFont, brush1, 120, 70)        
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class

Create Font from Font

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GDIObjectsCreateFontFromFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        Dim font1 As New Font(Me.Font, FontStyle.Regular)
 
        canvas.DrawString("www.vbex.ru",font1, brush1, 120, 70)
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.Name = "Form1"
        Me.Text = "Creating Graphics Objects (Color, Pen, Font, Brush)"
        Me.ResumeLayout(False)
    End Sub
End Class

Create Font from ttf file

Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Drawing.Text
public class CreateFontFromTTFFile
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
public class Form1
  Inherits System.Windows.Forms.Form
  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim g As Graphics = e.Graphics
        Dim pointF As New PointF(10, 20)
        Dim fontName As String
        Dim pfc As New PrivateFontCollection
        pfc.AddFontFile("tekhead.ttf")
        pfc.AddFontFile("DELUSION.TTF")
        pfc.AddFontFile("HEMIHEAD.TTF")
        pfc.AddFontFile("C:\WINNT\Fonts\Verdana.ttf")
        " Return all font families from the collection
        Dim fontFamilies As FontFamily() = pfc.Families
        Dim j As Integer
        While j < fontFamilies.Length
            fontName = fontFamilies(j).Name
            If fontFamilies(j).IsStyleAvailable(FontStyle.Italic) And fontFamilies(j).IsStyleAvailable(FontStyle.Bold) And fontFamilies(j).IsStyleAvailable(FontStyle.Underline) And fontFamilies(j).IsStyleAvailable(FontStyle.Strikeout) Then
                Dim newFont As New Font(fontName, 20, FontStyle.Italic Or FontStyle.Bold Or FontStyle.Underline, GraphicsUnit.Pixel)
                g.DrawString(fontName, newFont, New SolidBrush(Color.Red), pointF)
                pointF.Y += newFont.Height
            End If
        End While
        g.Dispose()
  End Sub
  Public Sub New()
 
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
  End Sub
End Class

Create Font with font name, size and style

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GDIObjectsCreateBrushFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        Dim font1 As New Font("Arial", 24, FontStyle.Bold Or FontStyle.Italic)
        canvas.DrawString("www.vbex.ru",font1, brush1, 120, 70)
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.Name = "Form1"
        Me.Text = "Creating Graphics Objects (Color, Pen, Font, Brush)"
        Me.ResumeLayout(False)
    End Sub
End Class

Displaying font metric information

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System
Imports System.Windows.Forms
Imports System.Drawing.Text
public class FontMetricsDisplay
   public Shared Sub Main
        Application.Run(New FrmFontMetrics)
   End Sub
End class
 
Public Class FrmFontMetrics
   Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
   Public Sub New()
      MyBase.New()
      "This call is required by the Windows Form Designer.
      InitializeComponent()
      "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
      If disposing Then
         If Not (components Is Nothing) Then
            components.Dispose()
         End If
      End If
      MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.Container
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      "
      "frmFontMetrics
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(920, 253)
      Me.Name = "frmFontMetrics"
      Me.Text = "Metrics"
   End Sub
#End Region
   Protected Overrides Sub OnPaint( _
    ByVal paintEvent As PaintEventArgs)
      Dim graphicsObject As Graphics = paintEvent.Graphics
      Dim brush As SolidBrush = New SolidBrush(Color.Red)
      Dim pen As Pen = New Pen(brush, Convert.ToSingle(2.5))
      " Arial font metrics
      Dim arial As Font = New Font("Arial", 12)
      Dim family As FontFamily = arial.FontFamily
      Dim sanSerif As Font = New Font("Microsoft Sans Serif",14, FontStyle.Italic)
      pen.Color = brush.Color
      brush.Color = Color.DarkBlue
      graphicsObject.DrawString("Current Font: " & arial.ToString, arial, brush, 10, 10)
      Console.WriteLine("Ascent: " & family.GetCellAscent(FontStyle.Regular))
      Console.WriteLine("Descent: " & family.GetCellDescent(FontStyle.Regular))
      Console.WriteLine("Height: " & family.GetEmHeight(FontStyle.Regular))
      Console.WriteLine("Leading: " & family.GetLineSpacing(FontStyle.Regular))
      family = sanSerif.FontFamily
      Console.WriteLine("Current Font: " & sanSerif.ToString())
      Console.WriteLine("Ascent: " & family.GetCellAscent(FontStyle.Italic))
      Console.WriteLine("Descent: " & family.GetCellDescent(FontStyle.Italic))
      Console.WriteLine("Height: " & family.GetEmHeight(FontStyle.Italic))
      Console.WriteLine("Leading: " & family.GetLineSpacing(FontStyle.Italic))
   End Sub
End Class

Draw Font Metrics

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class DrawStringMetrics
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
public class Form1
  Inherits System.Windows.Forms.Form
  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim txt As String = "www.vbex.ru"
        Dim layout_rect As New RectangleF(0, 0, Me.ClientSize.Width , Me.ClientSize.Height)
        Dim string_format As New StringFormat
        string_format.LineAlignment = StringAlignment.Center
        string_format.Alignment = StringAlignment.Center
        Dim the_font As Font
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        the_font = New Font("Times New Roman", 80, FontStyle.Bold, GraphicsUnit.Pixel)
        MeasureCharacters(e.Graphics, the_font, txt, layout_rect, string_format)
    End Sub
    Public Sub MeasureCharacters(ByVal gr As Graphics, ByVal the_font As Font, ByVal txt As String, ByVal layout_rect As RectangleF, ByVal string_format As StringFormat)
        Dim character_ranges(txt.Length - 1) As CharacterRange
        For i As Integer = 0 To txt.Length - 1
            character_ranges(i) = New CharacterRange(i, 1)
        Next i
        string_format.SetMeasurableCharacterRanges(character_ranges)
        Dim character_regions() As Region = gr.MeasureCharacterRanges(txt, the_font, layout_rect, string_format)
        Dim em_height As Integer = the_font.FontFamily.GetEmHeight(FontStyle.Bold)
        Dim em_height_pix As Single = the_font.Size
        Dim design_to_pixels As Single = the_font.Size / em_height
        Dim ascent As Integer = the_font.FontFamily.GetCellAscent(FontStyle.Bold)
        Dim ascent_pix As Single = ascent * design_to_pixels
        Dim descent As Integer = the_font.FontFamily.GetCellDescent(FontStyle.Bold)
        Dim descent_pix As Single = descent * design_to_pixels
        Dim cell_height_pix As Single = ascent_pix + descent_pix
        Dim internal_leading_pix As Single = cell_height_pix - em_height_pix
        Dim line_spacing As Integer = the_font.FontFamily.GetLineSpacing(FontStyle.Bold)
        Dim line_spacing_pix As Single = line_spacing * design_to_pixels
        Dim external_leading_pix As Single = line_spacing_pix - cell_height_pix
        For Each rgn As Region In character_regions
            Dim character_bounds As RectangleF = rgn.GetBounds(gr)
            Dim character_rect As Rectangle = Rectangle.Round(character_bounds)
            gr.DrawRectangle(Pens.Black, character_rect)
            gr.DrawLine(Pens.White, character_rect.X, character_rect.Y + internal_leading_pix, character_rect.Right, character_rect.Y + internal_leading_pix)
            gr.DrawLine(Pens.Yellow, character_rect.X, character_rect.Y + ascent_pix, character_rect.Right, character_rect.Y + ascent_pix)
            gr.DrawLine(Pens.Orange, character_rect.X, character_rect.Y + ascent_pix + descent_pix, character_rect.Right, character_rect.Y + ascent_pix + descent_pix)
            gr.FillRectangle(Brushes.Red, character_rect.X, character_rect.Y + ascent_pix + descent_pix, character_rect.Width, external_leading_pix)
        Next rgn
        gr.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)
  End Sub
  Public Sub New()
 
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
  End Sub
End Class

Font 3D

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Font3D
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Private components As System.ruponentModel.IContainer
    Friend WithEvents TrackBar1 As System.Windows.Forms.TrackBar
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents ColorDialog1 As System.Windows.Forms.ColorDialog
    Friend WithEvents FontDialog1 As System.Windows.Forms.FontDialog
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TrackBar1 = New System.Windows.Forms.TrackBar
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button5 = New System.Windows.Forms.Button
        Me.ColorDialog1 = New System.Windows.Forms.ColorDialog
        Me.FontDialog1 = New System.Windows.Forms.FontDialog
        CType(Me.TrackBar1, System.ruponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        "
        "TrackBar1
        "
        Me.TrackBar1.Location = New System.Drawing.Point(48, 208)
        Me.TrackBar1.Maximum = 20
        Me.TrackBar1.Name = "TrackBar1"
        Me.TrackBar1.Size = New System.Drawing.Size(216, 45)
        Me.TrackBar1.TabIndex = 1
        "
        "Panel1
        "
        Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Panel1.Location = New System.Drawing.Point(16, 16)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(256, 112)
        Me.Panel1.TabIndex = 2
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(392, 266)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.TrackBar1)
        CType(Me.TrackBar1, System.ruponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)
    End Sub
 
    Private Sub TrackBar1_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TrackBar1.Scroll
        Dim color1, color2 As Color
        Dim TrackbarPos1, TrackbarPos2
        color1 = Color.Green
        color2 = Color.Black
        TrackbarPos1 = 0
        Dim a As Graphics = Panel1.CreateGraphics
        Dim b As New SolidBrush(color1)
        Dim c As New SolidBrush(color2)
        Dim d As New SolidBrush(Me.BackColor)
        Dim k As Integer
        a.FillRectangle(d, ClientRectangle)
        For k = TrackBar1.Value To 1 Step -1
            a.DrawString("3D Font", FontDialog1.Font, c, 20 + k, 20 - k)
        Next
        a.DrawString("3D Font", FontDialog1.Font, b, 20, 20)
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    End Sub
End Class

Font Size

Imports System.Globalization
Imports System.Text
Imports System.Collections
Imports System.ruponentModel
Imports System.Data
Imports System.Drawing
Imports System.Drawing.Text
Imports System
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontSizeDemo
   public Shared Sub Main
        Application.Run(New FontSizesForm)
   End Sub
End class
 
Public Class FontSizesForm
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    Private components As System.ruponentModel.IContainer
    Friend WithEvents listBox1 As System.Windows.Forms.ListBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.listBox1 = New System.Windows.Forms.ListBox()
        Me.SuspendLayout()
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(560, 182)
        Me.Name = "FontSizesForm"
        Me.Text = "FontSizesForm"
        Me.ResumeLayout(False)
    End Sub
    Private Function GetPixelsFromPoints(ByVal points As Single, ByVal dpi As Single) As Single
        Return (dpi * points) / 72
    End Function
    Private Function GetInchesFromPoints(ByVal points As Single, ByVal dpi As Single) As Single
        Return GetPixelsFromPoints(points, dpi) / dpi
    End Function
    Private Function GetPixelsFromDesignUnits(ByVal designUnits As Single, ByVal font As Font, ByVal dpi As Single) As Single
        Dim scale As Single = GetPixelsFromPoints(font.Size, dpi) / font.FontFamily.GetEmHeight(font.Style)
        Return designUnits * scale
    End Function
    Private Function GetPointsFromPixels(ByVal pixels As Single, ByVal dpi As Single) As Single
        Return (pixels * 72) / dpi
    End Function
 
    Private Sub FontSizesForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim g As Graphics = Me.CreateGraphics()
        Console.WriteLine("Font.Name=                       {0}", Me.Font.Name)
        Console.WriteLine("Font.FontFamly.Name=             {0}", Me.Font.FontFamily.Name)
        Console.WriteLine("Font.Size=                       {0} {1}s (specified Unit)", Me.Font.Size, Me.Font.Unit.ToString())
        Console.WriteLine("Font.Height=                     {0} Pixels", Me.Font.Height)
        Console.WriteLine("Font.GetHeight=                  {0} Pixels", Me.Font.GetHeight(g))
        Console.WriteLine("Font.SizeInPoints=               {0} Points", Me.Font.SizeInPoints.ToString())
        Console.WriteLine("GetPixels(Font.SizeInPoints)=    {0} Pixels", GetPixelsFromPoints(Me.Font.SizeInPoints, g.DpiY))
        Console.WriteLine("GetInches(Font.SizeInPoints)=    {0} Inches", GetInchesFromPoints(Me.Font.SizeInPoints, g.DpiY))
        Console.WriteLine("Font.FontFamily.GetEmHeight=     {0} Design Units", Me.Font.FontFamily.GetEmHeight(FontStyle.Regular))
        Console.WriteLine("GetPixels(GetEmHeight)=          {0} Pixels", GetPixelsFromDesignUnits(Me.Font.FontFamily.GetEmHeight(Me.Font.Style), Me.Font, g.DpiY))
        Console.WriteLine("Font.FontFamily.GetLineSpacing=  {0} Design Units", Me.Font.FontFamily.GetLineSpacing(FontStyle.Regular))
        Console.WriteLine("GetPixels(GetLineSpacing)=       {0} Pixels", GetPixelsFromDesignUnits(Me.Font.FontFamily.GetLineSpacing(Me.Font.Style), Me.Font, g.DpiY))
        Console.WriteLine("Font.FontFamily.GetCellAscent=   {0} Design Units", Me.Font.FontFamily.GetCellAscent(FontStyle.Regular))
        Console.WriteLine("GetPixels(GetCellAscent)=        {0} Pixels", GetPixelsFromDesignUnits(Me.Font.FontFamily.GetCellAscent(Me.Font.Style), Me.Font, g.DpiY))
        Console.WriteLine("Font.FontFamily.GetCellDescent=  {0} Design Units", Me.Font.FontFamily.GetCellDescent(FontStyle.Regular))
        Console.WriteLine("GetPixels(GetCellDescent)=       {0} Pixels", GetPixelsFromDesignUnits(Me.Font.FontFamily.GetCellDescent(Me.Font.Style), Me.Font, g.DpiY))
        Console.WriteLine("Padding=                         {0} Design Units", Me.Font.FontFamily.GetLineSpacing(FontStyle.Regular) - (Me.Font.FontFamily.GetCellAscent(FontStyle.Regular) + Me.Font.FontFamily.GetCellDescent(FontStyle.Regular)))
        "Console.WriteLine("GetPixels(Padding)=              {0} Pixels", GetPixelsFromDesignUnits(Me.Font.FontFamily.GetLineSpacing(FontStyle.Regular) - (Me.Font.FontFamily.GetCellAscent(FontStyle.Regular) + Me.Font.FontFamily.GetCellDescent(FontStyle.Regular)), Me.Font, g.DpiY)))
    End Sub
End Class

FontStyle.Bold Or FontStyle.Italic

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GDIObjectsCreateBrushFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        Dim font1 As New Font("Arial", 24, FontStyle.Bold Or FontStyle.Italic)
        canvas.DrawString("www.vbex.ru",font1, brush1, 120, 70)
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.Name = "Form1"
        Me.Text = "Creating Graphics Objects (Color, Pen, Font, Brush)"
        Me.ResumeLayout(False)
    End Sub
End Class

FontStyle.Bold Or FontStyle.Italic Or FontStyle.Underline Or FontStyle.Strikeout

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontStyleBoldItalicUnderlineStrikout
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        textStyle = FontStyle.Regular
        textStyle = textStyle Or FontStyle.Bold
        textStyle = textStyle Or FontStyle.Italic Or FontStyle.Underline Or FontStyle.Strikeout
        mainFont = New Font("Arial", 40, textStyle)
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        canvas.DrawString("www.vbex.ru",mainFont, brush1, 120, 70)        
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class

Get Font information

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontInfoFontDialog
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim FontDB As New FontDialog()
#Region " Windows Form Designer generated code "
    Public Sub New()
        MyBase.New()
        "This call is required by the Windows Form Designer.
        InitializeComponent()
        "Add any initialization after the InitializeComponent() call
    End Sub
    "Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(104, 32)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Font Info"
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(20, 80)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(250, 150)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox1, Me.Button1})
        Me.Name = "Form1"
        Me.Text = "FontInfo"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        If (FontDB.ShowDialog() = DialogResult.OK) Then
            Dim CrLf As String = Chr(13) & Chr(10)
            TextBox1.Text = ""
            TextBox1.AppendText("Font Name: " & FontDB.Font.Name)
            TextBox1.AppendText(CrLf)
            TextBox1.AppendText("Bold: " & FontDB.Font.Bold)
            TextBox1.AppendText(CrLf)
            TextBox1.AppendText("Italic: " & FontDB.Font.Italic)
            TextBox1.AppendText(CrLf)
            TextBox1.AppendText("Size: " & FontDB.Font.Size)
            TextBox1.AppendText(CrLf)
            TextBox1.AppendText("Strikeout: " & FontDB.Font.Strikeout)
            TextBox1.AppendText(CrLf)
            TextBox1.AppendText("Underline: " & FontDB.Font.Underline)
            TextBox1.AppendText(CrLf)
        End If
    End Sub
End Class

Set font name, size and style

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontStyleSizeName
   public Shared Sub Main
        Application.Run(New FrmFonts)
   End Sub
End class
 
Public Class FrmFonts
   Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
   Public Sub New()
      MyBase.New()
      "This call is required by the Windows Form Designer.
      InitializeComponent()
      "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
      If disposing Then
         If Not (components Is Nothing) Then
            components.Dispose()
         End If
      End If
      MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.Container
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      "
      "frmFonts
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(496, 117)
      Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D
      Me.Name = "frmFonts"
      Me.Text = "Fonts"
   End Sub
#End Region
   Protected Overrides Sub OnPaint( _
      ByVal paintEvent As PaintEventArgs)
      Dim graphicsObject As Graphics = paintEvent.Graphics
      Dim brush As SolidBrush = New SolidBrush(Color.DarkBlue)
      Dim style As FontStyle = FontStyle.Bold
      Dim arial As Font = New Font(New FontFamily("Arial"), 12, style)
      graphicsObject.DrawString(arial.Name & " 12 point bold.",arial, brush, 10, 10)
      style = FontStyle.Regular
      Dim timesNewRoman As Font = New Font("Times New Roman", 12, style)
      graphicsObject.DrawString(timesNewRoman.Name &" 12 point plain.", timesNewRoman, brush, 10, 30)
      style = FontStyle.Bold Or FontStyle.Italic
      Dim courierNew As Font = New Font("Courier New",16, style)
      graphicsObject.DrawString(courierNew.Name &" 16 point bold and italic.", courierNew, brush, 10, 54)
      style = FontStyle.Strikeout
      Dim tahoma As Font = New Font("Tahoma", 18, style)
      graphicsObject.DrawString(tahoma.Name &" 18 point strikeout.", tahoma, brush, 10, 75)
   End Sub
End Class

Use CheckBox to control font

Imports System.Windows.Forms
public class RadioButtonControlFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
 
Public Class Form1
    Public mysize As Integer
    Public mybold As Boolean
    Public myItalic As Boolean
    Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
        CheckBox1.Checked = 1
    End Sub
    Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
        myItalic = Not myItalic
        TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Regular)
        If myItalic And mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf myItalic Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        End If
    End Sub
    Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        mybold = False
        myItalic = False
        mysize = 25
    End Sub
    Private Sub RadioButton1_CheckedChanged_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
        mysize = 36
        TextBox1.Font = New System.Drawing.Font("", mysize)
    End Sub
    Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
        mysize = 25
        TextBox1.Font = New System.Drawing.Font("", mysize)
    End Sub
    Private Sub CheckBox2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox2.CheckedChanged
        mybold = Not mybold
        TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Regular)
        If myItalic And mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        ElseIf myItalic Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        End If
    End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.CheckBox1 = New System.Windows.Forms.CheckBox
        Me.CheckBox2 = New System.Windows.Forms.CheckBox
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.RadioButton1 = New System.Windows.Forms.RadioButton
        Me.RadioButton2 = New System.Windows.Forms.RadioButton
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "CheckBox1
        "
        Me.CheckBox1.AutoSize = True
        Me.CheckBox1.Location = New System.Drawing.Point(230, 34)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.Size = New System.Drawing.Size(48, 16)
        Me.CheckBox1.TabIndex = 1
        Me.CheckBox1.Text = "Italic"
        Me.CheckBox1.UseVisualStyleBackColor = True
        "
        "CheckBox2
        "
        Me.CheckBox2.AutoSize = True
        Me.CheckBox2.Location = New System.Drawing.Point(230, 56)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(48, 16)
        Me.CheckBox2.TabIndex = 2
        Me.CheckBox2.Text = "Bold"
        Me.CheckBox2.UseVisualStyleBackColor = True
        "
        "GroupBox1
        "
        Me.GroupBox1.Controls.Add(Me.RadioButton2)
        Me.GroupBox1.Controls.Add(Me.RadioButton1)
        Me.GroupBox1.Location = New System.Drawing.Point(224, 85)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(132, 77)
        Me.GroupBox1.TabIndex = 3
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "Font size"
        "
        "RadioButton1
        "
        Me.RadioButton1.AutoSize = True
        Me.RadioButton1.Location = New System.Drawing.Point(6, 20)
        Me.RadioButton1.Name = "RadioButton1"
        Me.RadioButton1.Size = New System.Drawing.Size(59, 16)
        Me.RadioButton1.TabIndex = 1
        Me.RadioButton1.TabStop = True
        Me.RadioButton1.Text = "Larger font"
        Me.RadioButton1.UseVisualStyleBackColor = True
        "
        "RadioButton2
        "
        Me.RadioButton2.AutoSize = True
        Me.RadioButton2.Location = New System.Drawing.Point(6, 42)
        Me.RadioButton2.Name = "RadioButton2"
        Me.RadioButton2.Size = New System.Drawing.Size(59, 16)
        Me.RadioButton2.TabIndex = 2
        Me.RadioButton2.TabStop = True
        Me.RadioButton2.Text = "Smaller font"
        Me.RadioButton2.UseVisualStyleBackColor = True
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(12, 12)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(195, 150)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = "www.vbex.ru"
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(368, 174)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.CheckBox2)
        Me.Controls.Add(Me.CheckBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.GroupBox1.ResumeLayout(False)
        Me.GroupBox1.PerformLayout()
        Me.ResumeLayout(False)
        Me.PerformLayout()
    End Sub
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
End Class

Use CheckBox to Set Font

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class UseCheckBoxRadioButtonSetFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Private LabelStyle As FontStyle
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Private components As System.ruponentModel.IContainer
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton3 As System.Windows.Forms.RadioButton
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents RadioButton4 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton5 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton6 As System.Windows.Forms.RadioButton
    Friend WithEvents GroupBox3 As System.Windows.Forms.GroupBox
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox3 As System.Windows.Forms.CheckBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.RadioButton1 = New System.Windows.Forms.RadioButton
        Me.RadioButton2 = New System.Windows.Forms.RadioButton
        Me.RadioButton3 = New System.Windows.Forms.RadioButton
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.RadioButton4 = New System.Windows.Forms.RadioButton
        Me.RadioButton5 = New System.Windows.Forms.RadioButton
        Me.RadioButton6 = New System.Windows.Forms.RadioButton
        Me.GroupBox3 = New System.Windows.Forms.GroupBox
        Me.CheckBox1 = New System.Windows.Forms.CheckBox
        Me.CheckBox2 = New System.Windows.Forms.CheckBox
        Me.CheckBox3 = New System.Windows.Forms.CheckBox
        Me.GroupBox1.SuspendLayout()
        Me.GroupBox2.SuspendLayout()
        Me.GroupBox3.SuspendLayout()
        Me.SuspendLayout()
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(24, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(288, 88)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Visual Basic.NET"
        "
        "GroupBox1
        "
        Me.GroupBox1.Controls.Add(Me.RadioButton3)
        Me.GroupBox1.Controls.Add(Me.RadioButton2)
        Me.GroupBox1.Controls.Add(Me.RadioButton1)
        Me.GroupBox1.Location = New System.Drawing.Point(32, 136)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(72, 120)
        Me.GroupBox1.TabIndex = 1
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "Color"
        "
        "RadioButton1
        "
        Me.RadioButton1.Location = New System.Drawing.Point(8, 24)
        Me.RadioButton1.Name = "RadioButton1"
        Me.RadioButton1.Size = New System.Drawing.Size(56, 16)
        Me.RadioButton1.TabIndex = 0
        Me.RadioButton1.Text = "Red"
        "
        "RadioButton2
        "
        Me.RadioButton2.Location = New System.Drawing.Point(8, 48)
        Me.RadioButton2.Name = "RadioButton2"
        Me.RadioButton2.Size = New System.Drawing.Size(56, 16)
        Me.RadioButton2.TabIndex = 1
        Me.RadioButton2.Text = "Yellow"
        "
        "RadioButton3
        "
        Me.RadioButton3.Location = New System.Drawing.Point(8, 72)
        Me.RadioButton3.Name = "RadioButton3"
        Me.RadioButton3.Size = New System.Drawing.Size(56, 24)
        Me.RadioButton3.TabIndex = 2
        Me.RadioButton3.Text = "Green"
        "
        "GroupBox2
        "
        Me.GroupBox2.Controls.Add(Me.RadioButton6)
        Me.GroupBox2.Controls.Add(Me.RadioButton5)
        Me.GroupBox2.Controls.Add(Me.RadioButton4)
        Me.GroupBox2.Location = New System.Drawing.Point(128, 136)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(80, 120)
        Me.GroupBox2.TabIndex = 2
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "Font Size"
        "
        "RadioButton4
        "
        Me.RadioButton4.Location = New System.Drawing.Point(16, 24)
        Me.RadioButton4.Name = "RadioButton4"
        Me.RadioButton4.Size = New System.Drawing.Size(48, 16)
        Me.RadioButton4.TabIndex = 0
        Me.RadioButton4.Text = "10"
        "
        "RadioButton5
        "
        Me.RadioButton5.Location = New System.Drawing.Point(16, 48)
        Me.RadioButton5.Name = "RadioButton5"
        Me.RadioButton5.Size = New System.Drawing.Size(56, 24)
        Me.RadioButton5.TabIndex = 1
        Me.RadioButton5.Text = "20"
        "
        "RadioButton6
        "
        Me.RadioButton6.Location = New System.Drawing.Point(16, 80)
        Me.RadioButton6.Name = "RadioButton6"
        Me.RadioButton6.Size = New System.Drawing.Size(56, 24)
        Me.RadioButton6.TabIndex = 2
        Me.RadioButton6.Text = "30"
        "
        "GroupBox3
        "
        Me.GroupBox3.Controls.Add(Me.CheckBox3)
        Me.GroupBox3.Controls.Add(Me.CheckBox2)
        Me.GroupBox3.Controls.Add(Me.CheckBox1)
        Me.GroupBox3.Location = New System.Drawing.Point(224, 144)
        Me.GroupBox3.Name = "GroupBox3"
        Me.GroupBox3.Size = New System.Drawing.Size(88, 120)
        Me.GroupBox3.TabIndex = 3
        Me.GroupBox3.TabStop = False
        Me.GroupBox3.Text = "Other"
        "
        "CheckBox1
        "
        Me.CheckBox1.Location = New System.Drawing.Point(16, 16)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.Size = New System.Drawing.Size(64, 24)
        Me.CheckBox1.TabIndex = 0
        Me.CheckBox1.Text = "Italic"
        "
        "CheckBox2
        "
        Me.CheckBox2.Location = New System.Drawing.Point(16, 48)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(48, 24)
        Me.CheckBox2.TabIndex = 1
        Me.CheckBox2.Text = "Bold"
        "
        "CheckBox3
        "
        Me.CheckBox3.Location = New System.Drawing.Point(16, 80)
        Me.CheckBox3.Name = "CheckBox3"
        Me.CheckBox3.Size = New System.Drawing.Size(64, 24)
        Me.CheckBox3.TabIndex = 2
        Me.CheckBox3.Text = "Underline"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(328, 278)
        Me.Controls.Add(Me.GroupBox3)
        Me.Controls.Add(Me.GroupBox2)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form1"
        Me.Text = "Font Setting"
        Me.GroupBox1.ResumeLayout(False)
        Me.GroupBox2.ResumeLayout(False)
        Me.GroupBox3.ResumeLayout(False)
        Me.ResumeLayout(False)
    End Sub
    Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
        Label1.ForeColor = Color.Red
    End Sub
    Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
        Label1.ForeColor = Color.Yellow
    End Sub
    Private Sub RadioButton3_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton3.CheckedChanged
        Label1.ForeColor = Color.Green
    End Sub
    Private Sub RadioButton4_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton4.CheckedChanged
        Label1.Font = New Font(Label1.Font.FontFamily, 10)
    End Sub
    Private Sub RadioButton5_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton5.CheckedChanged
        Label1.Font = New Font(Label1.Font.FontFamily, 20)
    End Sub
    Private Sub RadioButton6_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton6.CheckedChanged
        Label1.Font = New Font(Label1.Font.FontFamily, 30)
    End Sub
    Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
        LabelStyle = LabelStyle Xor FontStyle.Italic
        Label1.Font = New Font(Label1.Font, LabelStyle)
    End Sub
    Private Sub CheckBox2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox2.CheckedChanged
        LabelStyle = LabelStyle Xor FontStyle.Bold
        Label1.Font = New Font(Label1.Font, LabelStyle)
    End Sub
    Private Sub CheckBox3_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox3.CheckedChanged
        LabelStyle = LabelStyle Xor FontStyle.Underline
        Label1.Font = New Font(Label1.Font, LabelStyle)
    End Sub
End Class

Use Or to add extra FontStyle.Bold

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class FontStyleOrAdding
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
 
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        textStyle = FontStyle.Regular
        textStyle = textStyle Or FontStyle.Bold
        mainFont = New Font("Arial", 40, textStyle)
 
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        canvas.DrawString("www.vbex.ru",mainFont, brush1, 120, 70)        
 
        canvas = Nothing
    End Sub
End Class
 
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class

Use RadioButton to control font

Imports System.Windows.Forms
public class RadioButtonControlFont
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
 
Public Class Form1
    Public mysize As Integer
    Public mybold As Boolean
    Public myItalic As Boolean
    Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
        CheckBox1.Checked = 1
    End Sub
    Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
        myItalic = Not myItalic
        TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Regular)
        If myItalic And mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf myItalic Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        End If
    End Sub
    Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        mybold = False
        myItalic = False
        mysize = 25
    End Sub
    Private Sub RadioButton1_CheckedChanged_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
        mysize = 36
        TextBox1.Font = New System.Drawing.Font("", mysize)
    End Sub
    Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
        mysize = 25
        TextBox1.Font = New System.Drawing.Font("", mysize)
    End Sub
    Private Sub CheckBox2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox2.CheckedChanged
        mybold = Not mybold
        TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Regular)
        If myItalic And mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        ElseIf myItalic Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Italic)
        ElseIf mybold Then
            TextBox1.Font = New System.Drawing.Font("", mysize, Drawing.FontStyle.Bold)
        End If
    End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.CheckBox1 = New System.Windows.Forms.CheckBox
        Me.CheckBox2 = New System.Windows.Forms.CheckBox
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.RadioButton1 = New System.Windows.Forms.RadioButton
        Me.RadioButton2 = New System.Windows.Forms.RadioButton
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "CheckBox1
        "
        Me.CheckBox1.AutoSize = True
        Me.CheckBox1.Location = New System.Drawing.Point(230, 34)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.Size = New System.Drawing.Size(48, 16)
        Me.CheckBox1.TabIndex = 1
        Me.CheckBox1.Text = "Italic"
        Me.CheckBox1.UseVisualStyleBackColor = True
        "
        "CheckBox2
        "
        Me.CheckBox2.AutoSize = True
        Me.CheckBox2.Location = New System.Drawing.Point(230, 56)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(48, 16)
        Me.CheckBox2.TabIndex = 2
        Me.CheckBox2.Text = "Bold"
        Me.CheckBox2.UseVisualStyleBackColor = True
        "
        "GroupBox1
        "
        Me.GroupBox1.Controls.Add(Me.RadioButton2)
        Me.GroupBox1.Controls.Add(Me.RadioButton1)
        Me.GroupBox1.Location = New System.Drawing.Point(224, 85)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(132, 77)
        Me.GroupBox1.TabIndex = 3
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "Font size"
        "
        "RadioButton1
        "
        Me.RadioButton1.AutoSize = True
        Me.RadioButton1.Location = New System.Drawing.Point(6, 20)
        Me.RadioButton1.Name = "RadioButton1"
        Me.RadioButton1.Size = New System.Drawing.Size(59, 16)
        Me.RadioButton1.TabIndex = 1
        Me.RadioButton1.TabStop = True
        Me.RadioButton1.Text = "Larger font"
        Me.RadioButton1.UseVisualStyleBackColor = True
        "
        "RadioButton2
        "
        Me.RadioButton2.AutoSize = True
        Me.RadioButton2.Location = New System.Drawing.Point(6, 42)
        Me.RadioButton2.Name = "RadioButton2"
        Me.RadioButton2.Size = New System.Drawing.Size(59, 16)
        Me.RadioButton2.TabIndex = 2
        Me.RadioButton2.TabStop = True
        Me.RadioButton2.Text = "Smaller font"
        Me.RadioButton2.UseVisualStyleBackColor = True
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(12, 12)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(195, 150)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = "www.vbex.ru"
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(368, 174)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.CheckBox2)
        Me.Controls.Add(Me.CheckBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.GroupBox1.ResumeLayout(False)
        Me.GroupBox1.PerformLayout()
        Me.ResumeLayout(False)
        Me.PerformLayout()
    End Sub
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
End Class