Mega Code Archive
StringFormat SetTabStops
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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.ComponentModel.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.ComponentModel.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
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