Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RegionClip
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Private Sub Form11_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) _
Handles Me.Paint
Dim canvas As Graphics
Dim fencePath As GraphicsPath
Dim slottedRegion As Region
canvas = e.Graphics
canvas.Clear(Color.White)
fencePath = New GraphicsPath
fencePath.AddRectangle(New Rectangle(2 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(8 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(14 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(20 * 10, 0, 20, 500))
slottedRegion = New Region(fencePath)
canvas.Clip = slottedRegion
canvas.Clear(Color.Aqua)
canvas.DrawString("www.java2java.com", New Font("Times New Roman", 77),Brushes.Blue, 20, 20)
End Sub
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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()
Me.SuspendLayout()
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(617, 197)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "Using Regions Effectively"
Me.ResumeLayout(False)
End Sub
End Class
|
