VB.Net Tutorial/2D Graphics/Tab Stops

Draw String Control Tab

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class DrawStringControlTab
   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 = "The" & vbTab & "quick" & vbCrLf & _
            "brown" & vbTab & "fox" & vbCrLf & _
            "jumps" & vbTab & "over" & vbCrLf & _
            "the" & vbTab & "lazy" & vbCrLf & _
            "dog."
        Dim big_font As New Font("Times New Roman", 30, FontStyle.Bold)
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        e.Graphics.DrawString(txt, big_font, Brushes.Black, 10, 10)
        e.Graphics.DrawEllipse(Pens.Black, 8, 8, 4, 4)
    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

StringFormat.SetTabStops

Imports System.Drawing
Imports System.Drawing.Text
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class StringTrimmingCharacter
   public Shared Sub Main
        Application.Run(New TrimmingForm)
   End Sub
End class

Public Class TrimmingForm
    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.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        components = New System.ruponentModel.Container()
        Me.Text = "TrimmingForm"
    End Sub
#End Region
    Private Sub TrimmingForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim s As String = "a long string that could be trimmed any old place"
        Dim format As StringFormat = New StringFormat()
        format.FormatFlags = StringFormatFlags.LineLimit
        Dim size As SizeF = g.MeasureString(StringTrimming.EllipsisCharacter.ToString(), Me.Font)
        format.SetTabStops(0, New Single() {size.Width + 10, 0})
        format.Trimming = StringTrimming.Character
        Dim line As String = s & vbTab & s & vbTab & s
        
        Dim rect As RectangleF = New RectangleF(0, 10, Me.ClientRectangle.Width, Me.Font.GetHeight(g) * 1.5)
        g.DrawString(line, Me.Font, Brushes.Black, rect, format)
    End Sub
    Private Sub Form1_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Resize
        Me.Invalidate()
    End Sub
End Class