CompositingQuality.HighQuality : CompositingQuality « System.Drawing.Drawing2D « VB.Net by API

CompositingQuality.HighQuality

  

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

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CompositingQuality.HighSpeed