Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GammaCorrection
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 rect As New Rectangle(20, 20, 100, 50)
Dim rgBrush As New LinearGradientBrush(rect, Color.Red, Color.Green, 0.0F, True)
g.FillRectangle(rgBrush, rect)
rect.Y = 90
rgBrush.GammaCorrection = True
g.FillRectangle(rgBrush, rect)
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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