Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class SetClip
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 g As Graphics = Me.CreateGraphics()
g.Clear(Me.BackColor)
Dim rect1 As New Rectangle(20, 20, 200, 200)
Dim rect2 As New Rectangle(100, 100, 200, 200)
Dim rgn1 As New [Region](rect1)
Dim rgn2 As New [Region](rect2)
g.SetClip(rgn1, CombineMode.Exclude)
g.IntersectClip(rgn2)
g.FillRectangle(Brushes.Red, 0, 0, 300, 300)
g.ResetClip()
g.DrawRectangle(Pens.Green, rect1)
g.DrawRectangle(Pens.Yellow, rect2)
g.Dispose()
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