Материал из VB Эксперт
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Path Gradient Brush Focus Scale

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Drawing.Imaging Public Class MainClass

 Shared Sub Main()
    Dim form1 As Form1 = new Form1
 End Sub

End Class

Public Class Form1

 Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
 Public Sub New()
   "This call is required by the Windows Form Designer.
   "Add any initialization after the InitializeComponent() call
 End Sub
 "Form overrides dispose to clean up the component list.
 Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
   If disposing Then
     If Not (components Is Nothing) Then
     End If
   End If
 End Sub
 "Required by the Windows Form Designer
 Private components As System.ruponentModel.IContainer
 "NOTE: The following procedure is required by the Windows Form Designer
 "It can be modified using the Windows Form Designer.  
 "Do not modify it using the code editor.
 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.Name = "Form1"
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
   Me.Text = "Form1"
 End Sub
  1. End Region
 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
 End Sub
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
   Dim Path As New GraphicsPath()
   Dim R As Rectangle = New Rectangle(0, 0, 200, 100)
   Dim B As New PathGradientBrush(Path.PathPoints)
   Dim c() As Color = {Color.Blue}
   e.Graphics.SmoothingMode = SmoothingMode.HighQuality
   B.CenterColor = Color.Red
   B.SurroundColors = c
   B.FocusScales = New PointF(0.3F, 0.8F)
   e.Graphics.FillEllipse(B, R)
 End Sub

End Class