VB.Net Tutorial/2D Graphics/Tab Stops

Draw String Control Tab

<source lang="vbnet">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</source>

StringFormat.SetTabStops

<source lang="vbnet">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

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.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       components = New System.ruponentModel.Container()
       Me.Text = "TrimmingForm"
   End Sub

1. 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</source>