Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CompositingQualityHighSpeed
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 redPen As New Pen(Color.Red, 20)
Dim bluePen As New Pen(Color.Blue, 10)
Dim gContainer1 As GraphicsContainer = g.BeginContainer()
g.SmoothingMode = SmoothingMode.AntiAlias
g.CompositingQuality = CompositingQuality.GammaCorrected
g.DrawEllipse(redPen, 10, 10, 100, 50)
g.DrawRectangle(bluePen, 210, 0, 100, 100)
Dim gContainer2 As GraphicsContainer = g.BeginContainer()
g.SmoothingMode = SmoothingMode.HighSpeed
g.CompositingQuality = CompositingQuality.HighSpeed
g.DrawEllipse(redPen, 10, 150, 100, 50)
g.DrawRectangle(bluePen, 210, 150, 100, 100)
g.EndContainer(gContainer2)
g.EndContainer(gContainer1)
redPen.Dispose()
bluePen.Dispose()
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