Mega Code Archive
LinearGradientBrush Blend
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Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LinearGradientBrushesColorBlend
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 y As Integer = 10
Dim x As Integer = 10
Dim wid As Integer = 200
Dim hgt As Integer = 50
' Make a rectangle that shades from black to white.
Dim black_white_brush As New LinearGradientBrush(New Point(x, y), New Point(x + wid, y),Color.Black, Color.White)
' Make a brush that makes 50 percent of the color change
' in the first 20 percent of the distance, stays there
' until 80 percent of the distance, and then finishes
' in the remaining distance.
Dim the_blend As New Blend(4)
the_blend.Factors = New Single() {0.0, 0.5, 0.5, 1.0}
the_blend.Positions = New Single() {0.0, 0.2, 0.8, 1.0}
black_white_brush.Blend = the_blend
e.Graphics.FillRectangle(black_white_brush, x, y, wid, hgt)
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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