Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class IntersectClip
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 = Graphics.FromHwnd(Me.Handle)
g.Clear(Me.BackColor)
Dim blackPen As New Pen(Color.Black, 2)
Dim redPen As New Pen(Color.Red, 2)
Dim greenPen As New Pen(Color.Green, 2)
Dim yellowPen As New Pen(Color.Yellow, 2)
Dim yelgreenPen As New Pen(Color.YellowGreen)
Dim rect1 As New Rectangle(0, 0, 50, 50)
Dim rect2 As New Rectangle(50, 50, 100, 100)
Dim region1 As New [Region](rect1)
Dim region2 As New [Region](rect2)
g.SetClip(region1, System.Drawing.Drawing2D.CombineMode.Replace)
Dim intRect1 As New Rectangle(25, 25, 75, 75)
Dim intRect2 As New Rectangle(100, 100, 150, 150)
Dim intReg1 As New [Region](intRect1)
Dim intReg2 As New [Region](intRect2)
g.IntersectClip(intReg1)
g.FillRectangle(New SolidBrush(Color.Blue), 0, 0, 125, 125)
g.FillRectangle(New SolidBrush(Color.Blue), 50, 50, 175, 175)
g.ResetClip()
g.DrawRectangle(yellowPen, rect1)
g.DrawRectangle(greenPen, intRect1)
g.DrawRectangle(blackPen, rect2)
g.DrawRectangle(redPen, intRect2)
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
