VB.Net/2D/Text Layout

MultiLine Text Automatically Layout Demo

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
#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
#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

MultiLine Text Manual Layout

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
#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
#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