VB.Net Tutorial/2D Graphics/Gradient

Draw ellipse filled with a blue-yellow gradient

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LinearBrushDemo
   public Shared Sub Main
        Application.Run(New FrmDrawShapes)
   End Sub
End class
Public Class FrmDrawShapes
   Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
   Public Sub New()
      MyBase.New()
      "This call is required by the Windows Form Designer.
      InitializeComponent()
      "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
            components.Dispose()
         End If
      End If
      MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.Container
   "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()
      "
      "frmDrawShapes
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(520, 197)
      Me.Name = "frmDrawShapes"
      Me.Text = "Drawing Shapes"
   End Sub
#End Region
   Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
      Dim graphicsObject As Graphics = e.Graphics
      Dim drawArea1 As Rectangle = New Rectangle(5, 35, 30, 100)
      
      Dim linearBrush As LinearGradientBrush = _
         New LinearGradientBrush(drawArea1, Color.Blue, _
         Color.Yellow, LinearGradientMode.ForwardDiagonal)
      graphicsObject.FillEllipse(linearBrush, 5, 30, 65, 100)
   End Sub 
End Class