PathGradientBrush.SetBlendTriangularShape
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class PathGradientBrushesSetBlendTriangularShape
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 x As Integer = 10
Dim y As Integer = 10
Dim wid As Integer = 100
Dim hgt As Integer = 50
Dim rect_pts() As Point = { _
New Point(x, y), _
New Point(x + wid, y), _
New Point(x + wid, y + hgt), _
New Point(x, y + hgt) _
}
Dim path_brush As New PathGradientBrush(rect_pts)
Dim ellipse_path As New GraphicsPath
ellipse_path = New GraphicsPath
ellipse_path.AddEllipse(x, y, wid, hgt)
path_brush = New PathGradientBrush(ellipse_path)
path_brush.CenterColor = Color.White
path_brush.SurroundColors = New Color() {Color.Black}
path_brush.SetBlendTriangularShape(0.5)
e.Graphics.FillEllipse(path_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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