VB.Net by API/System.Drawing.Drawing2D/CombineMode

CombineMode.Exclude

<source lang="vbnet"> Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class CombineModeExclude

  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 RectangleF(20.0F, 20.0F, 200.0F, 200.0F)
       Dim rgn1 As New [Region](rect1)
       g.SetClip(rgn1, CombineMode.Exclude)
       Dim h As Single = 20.0F
       Dim w As Single = 30.0F
       g.TranslateClip(h, w)
       g.FillRectangle(Brushes.Green, 20, 20, 300, 300)
 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

 </source>

CombineMode.Intersect

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Drawing2D

Public Class MainClass

 Shared Sub Main()
    Dim form1 As Form1 = new Form1
    Application.Run(form1)
 End Sub
 

End Class Public Class Form1

 Inherits System.Windows.Forms.Form

1. 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.ruponentModel.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.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(352, 273)
   Me.Name = "Form1"
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
   Me.Text = "Form1"
   Me.ResumeLayout(False)
 End Sub

1. End Region

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
   Dim G As Graphics = Me.CreateGraphics
   Dim R As New Rectangle(40.0F, 20.0F, 100.0F, 100.0F)
   Dim R2 As New Rectangle(60.0F, 20.0F, 120.0F, 120.0F)
   Dim P1 As New GraphicsPath()
   Dim P2 As New GraphicsPath()
   G.Clear(Color.Gainsboro)
   P1.AddEllipse(R)
   G.DrawPath(Pens.Black, P1)
   P2.AddEllipse(R2)
   G.DrawPath(Pens.Black, P2)
   G.SetClip(P1)
   G.SetClip(P2, CombineMode.Intersect)
   " Draw some clipped strings.
   Dim F As New Font("Arial", 16)
   G.DrawString("www.vbex.ru", F, Brushes.DeepPink, 15, 25)
 End Sub

End Class

 </source>