Region.Exclude : Region « System.Drawing « VB.Net by API

1. VB.Net by API
2. System.Drawing
3. Region

Region.Exclude

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ClipRegionExclude
   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 pen As New Pen(Color.Red, 5)
        Dim brush As New SolidBrush(Color.Red)
        Dim rect1 As New Rectangle(50, 0, 50, 150)
        Dim rect2 As New Rectangle(0, 50, 150, 50)
        Dim [region] As New [Region](rect1)
        [region].Exclude(rect2)
        g.FillRegion(brush, [region])
        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

   
    
  

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