Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CompositingQualityHighQuality
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)
g.SmoothingMode = SmoothingMode.AntiAlias
g.CompositingQuality = CompositingQuality.HighQuality
Dim path As New GraphicsPath
path.AddEllipse(20, 20, 200, 200)
Dim pthGrBrush As New PathGradientBrush(path)
Dim transBlackColor As Color = color.FromArgb(90, 255, 255, 255)
Dim color2() As Color = {Color.Black}
pthGrBrush.SurroundColors = color2
pthGrBrush.CenterColor = color.Red
g.FillPath(pthGrBrush, path)
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