VB.Net/2D/Text Layout

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MultiLine Text Automatically Layout Demo

<source lang="vbnet"> Imports System Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Globalization Imports System.Text Imports System.Collections Public Class MainClass

   Shared Sub Main()
       Dim myform As Form = New MultiLineTextForm()
       Application.Run(myform)
   End Sub

End Class Public Class MultiLineTextForm

   Inherits System.Windows.Forms.Form
  1. 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 groupBox1 As System.Windows.Forms.GroupBox
   Friend WithEvents automaticPanel As System.Windows.Forms.Panel
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.groupBox1 = New System.Windows.Forms.GroupBox()
       Me.automaticPanel = New System.Windows.Forms.Panel()
       Me.groupBox1.SuspendLayout()
       Me.SuspendLayout()
       Me.groupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.automaticPanel})
       Me.groupBox1.Dock = System.Windows.Forms.DockStyle.Left
       Me.groupBox1.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!)
       Me.groupBox1.Name = "groupBox1"
       Me.groupBox1.Size = New System.Drawing.Size(152, 266)
       Me.groupBox1.TabIndex = 3
       Me.groupBox1.TabStop = False
       Me.groupBox1.Text = "Automatic"
       "
       "automaticPanel
       "
       Me.automaticPanel.BackColor = System.Drawing.Color.White
       Me.automaticPanel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.automaticPanel.Dock = System.Windows.Forms.DockStyle.Fill
       Me.automaticPanel.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.automaticPanel.Location = New System.Drawing.Point(3, 31)
       Me.automaticPanel.Name = "automaticPanel"
       Me.automaticPanel.Size = New System.Drawing.Size(146, 232)
       Me.automaticPanel.TabIndex = 0
       "
       "MultiLineTextForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(162, 266)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.groupBox1})
       Me.Name = "MultiLineTextForm"
       Me.Text = "MultiLineTextForm"
       Me.groupBox1.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Dim s As String = "Line 1" & vbCrLf & "Line 2" & vbCrLf & "Line 3" & vbCrLf & "Line 4" & vbCrLf & "Line 5" & vbCrLf & "Line 6"
   Private Sub automaticPanel_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles automaticPanel.Paint
       Dim g As Graphics = e.Graphics
       Dim layoutRect As RectangleF = RectangleF.op_Implicit(automaticPanel.ClientRectangle)
       g.DrawString(s, Me.Font, Brushes.Black, layoutRect)
       Dim size As SizeF = g.MeasureString(s, Me.Font, layoutRect.Size)
       g.DrawRectangle(Pens.Black, 0, 0, size.Width, size.Height)
   End Sub
   Private Sub manualPanel_Layout(ByVal sender As Object, ByVal e As System.Windows.Forms.LayoutEventArgs) Handles automaticPanel.Layout
       Me.automaticPanel.Refresh()
   End Sub

End Class

      </source>


MultiLine Text Manual Layout

<source lang="vbnet"> Imports System Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Globalization Imports System.Text Imports System.Collections Public Class MainClass

   Shared Sub Main()
       Dim myform As Form = New MultiLineTextForm()
       Application.Run(myform)
   End Sub

End Class Public Class MultiLineTextForm

   Inherits System.Windows.Forms.Form
  1. 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 groupBox2 As System.Windows.Forms.GroupBox
   Friend WithEvents manualPanel As System.Windows.Forms.Panel
   Friend WithEvents automaticPanel As System.Windows.Forms.Panel
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.groupBox2 = New System.Windows.Forms.GroupBox()
       Me.manualPanel = New System.Windows.Forms.Panel()
       Me.automaticPanel = New System.Windows.Forms.Panel()
       Me.groupBox2.SuspendLayout()
       Me.SuspendLayout()
       "
       "groupBox2
       "
       Me.groupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.manualPanel})
       Me.groupBox2.Dock = System.Windows.Forms.DockStyle.Fill
       Me.groupBox2.Font = New System.Drawing.Font("Microsoft Sans Serif", 18.0!)
       Me.groupBox2.Location = New System.Drawing.Point(155, 0)
       Me.groupBox2.Name = "groupBox2"
       Me.groupBox2.Size = New System.Drawing.Size(137, 266)
       Me.groupBox2.TabIndex = 5
       Me.groupBox2.TabStop = False
       Me.groupBox2.Text = "Manual"
       "
       "manualPanel
       "
       Me.manualPanel.BackColor = System.Drawing.Color.White
       Me.manualPanel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.manualPanel.Dock = System.Windows.Forms.DockStyle.Fill
       Me.manualPanel.Font = New System.Drawing.Font("Microsoft Sans Serif", 18.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.manualPanel.Location = New System.Drawing.Point(3, 31)
       Me.manualPanel.Name = "manualPanel"
       Me.manualPanel.Size = New System.Drawing.Size(131, 232)
       Me.manualPanel.TabIndex = 0
      
       "MultiLineTextForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 266)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.groupBox2})
       Me.Name = "MultiLineTextForm"
       Me.Text = "MultiLineTextForm"
       Me.groupBox2.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Dim s As String = "Line 1" & vbCrLf & "Line 2" & vbCrLf & "Line 3"
   Private Sub manualPanel_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles manualPanel.Paint
       Dim g As Graphics = e.Graphics
       Dim y As Single = 0
       Dim arrPens As Pen() = New Pen() {Pens.Red, Pens.Green, Pens.Blue}
       Dim line As String
       For Each line In s.Split(vbCrLf)
           Dim width As Single = manualPanel.ClientRectangle.Width
           Dim height As Single = manualPanel.ClientRectangle.Height - y
           Dim layoutRect As RectangleF = New RectangleF(0, y, width, height)
           Dim format As StringFormat = New StringFormat(StringFormatFlags.NoWrap Or StringFormatFlags.DisplayFormatControl)
           g.DrawString(line, Me.Font, Brushes.Black, layoutRect, format)
           Dim size As SizeF = g.MeasureString(line, Me.Font, layoutRect.Size, format)
           g.DrawRectangle(arrPens(CInt(y / Me.Font.GetHeight(g))), 0, y, size.Width, size.Height)
           y = y + Me.Font.GetHeight(g)
       Next
   End Sub
   Private Sub manualPanel_Layout(ByVal sender As Object, ByVal e As System.Windows.Forms.LayoutEventArgs) Handles manualPanel.Layout
 
       Me.manualPanel.Refresh()
   End Sub

End Class

      </source>