VB.Net Tutorial/2D Graphics/LinearGradientBrush

A diagonal brush

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientBrushesDiagonalBrush

  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
       Dim diag_brush As New LinearGradientBrush(New Point(x, y), New Point(x + wid, y + hgt),Color.Black, Color.White)
       e.Graphics.FillRectangle(diag_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</source>

Blend Properties

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class BlendProp

  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 brBrush As New LinearGradientBrush(New Point(0, 0), New Point(50, 20), Color.Blue, Color.Red)
       Dim blend As New Blend
       Dim factArray As Single() = {0.0F, 0.3F, 0.5F, 1.0F}
       Dim posArray As Single() = {0.0F, 0.2F, 0.6F, 1.0F}
       blend.Factors = factArray
       blend.Positions = posArray
       brBrush.Blend = blend
       g.FillRectangle(brBrush, 10, 20, 200, 100)
       g.FillEllipse(brBrush, 10, 150, 120, 120)
       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</source>

Change the LinearGradientBrush"s WrapMode

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientBrushesWrapModeTileFlipX

  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
       Dim short_brush As New LinearGradientBrush(New Point(x, y), New Point(x + 50, y),Color.Black, Color.White)
       
       short_brush.WrapMode = WrapMode.TileFlipX
       e.Graphics.FillRectangle(short_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</source>

Create a LinearGradientBrush

<source lang="vbnet">Imports System Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data public class LinearGradientBrushCreate

  public Shared Sub Main
       Application.Run(New BrushesForm)
  End Sub

End class Public Class BrushesForm

   Inherits System.Windows.Forms.Form

1. 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.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()
       "
       "BrushesForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 266)
       Me.Name = "BrushesForm"
       Me.Text = "Form1"
   End Sub

1. End Region

   Enum LinearGradientMode
       BackwardDiagonal
       ForwardDiagonal
       Horizontal
       Vertical
   End Enum
   Private Sub BrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height / 5
       Dim whiteBrush As Brush = System.Drawing.Brushes.White
       Dim blackBrush As Brush = System.Drawing.Brushes.Black
       Dim b As Brush
       b = New LinearGradientBrush(New Rectangle(0,0, width, height), Color.DarkBlue, Color.White, 45)
       g.FillRectangle(b, 0, 0, width, height)
       g.DrawString(b.ToString(), Me.Font, whiteBrush, 0, 0)
   End Sub

End Class</source>

Interpolation Colors

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class InterpolationColors

  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 brBrush As New LinearGradientBrush(New Point(0, 0), New Point(50, 20), Color.Blue, Color.Red)
       Dim rect As New Rectangle(0, 0, 200, 100)
       Dim clrArray As Color() = {Color.Red, Color.Blue, Color.Green, Color.Pink, Color.Yellow, Color.DarkTurquoise}
       Dim posArray As Single() = {0.0F, 0.2F, 0.4F, 0.6F, 0.8F, 1.0F}
       Dim colorBlend As New ColorBlend
       colorBlend.Colors = clrArray
       colorBlend.Positions = posArray
       brBrush.InterpolationColors = colorBlend
       g.FillRectangle(brBrush, rect)
       rect.Y = 150
       rect.Width = 100
       rect.Height = 100
       g.FillEllipse(brBrush, 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</source>

LinearGradientBrush Blend

<source lang="vbnet">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</source>

LinearGradientBrush ColorBlend

<source lang="vbnet">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)
       Dim color_blend As New ColorBlend(3)
       color_blend.Colors = New Color() {Color.Black, Color.White, Color.Black}
       color_blend.Positions = New Single() {0.0, 0.2, 1.0}
       black_white_brush.InterpolationColors = color_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</source>

LinearGradientBrush.GammaCorrection

<source lang="vbnet">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</source>

LinearGradientBrush: InterpolationColors

<source lang="vbnet">Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientInterpolationColors

  public Shared Sub Main
       Application.Run(New LinearGradientBrushesForm)
  End Sub

End class Public Class LinearGradientBrushesForm

   Inherits System.Windows.Forms.Form

1. 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.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()
       components = New System.ruponentModel.Container()
       Me.Text = "LinearGradientBrushesForm"
   End Sub

1. End Region

   Private Sub LinearGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height / 4
       Dim blackBrush As Brush = Brushes.Black
       Dim b As LinearGradientBrush = New LinearGradientBrush(Me.ClientRectangle, Color.White, Color.Black, LinearGradientMode.Horizontal)
       Dim blend As ColorBlend = New ColorBlend()
       blend.Colors = New Color() {Color.White, Color.Red, Color.Black}
       blend.Positions = New Single() {0.0, 0.5, 1.0}
       b.InterpolationColors = blend
       g.FillRectangle(b, x, y, width, height)
       g.DrawString("Custom Colors", Me.Font, blackBrush, x, y)
   End Sub

End Class</source>

LinearGradientBrush.SetBlendTriangular

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SetBlendTriangular

  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.SetBlendTriangularShape(0.5F, 1.0F)
       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</source>

LinearGradientBrush.SetSigmaBellShape

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SetSigmaBellShape

  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.SetSigmaBellShape(0.5F, 1.0F)
       g.FillRectangle(rgBrush, rect)

       " Dispose
       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</source>

LinearGradientBrush: too short to cross the whole rectangle

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientBrushesShort

  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
       Dim short_brush As New LinearGradientBrush(New Point(x, y), New Point(x + 50, y),Color.Black, Color.White)
       e.Graphics.FillRectangle(short_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</source>

Make a rectangle that shades from black to white

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientBrushesSimple

  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.
       e.Graphics.DrawString("Simple", Me.Font, Brushes.Black, x, y)
       y += 15
       Dim black_white_brush As New _
           LinearGradientBrush( _
               New Point(x, y), New Point(x + wid, y), _
               Color.Black, Color.White)
       e.Graphics.FillRectangle(black_white_brush, 10,50,200,200)
 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</source>

Set Blend Triangular Shape for LinearGradientBrush

<source lang="vbnet">Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientSetBlendTriangularShape

  public Shared Sub Main
       Application.Run(New LinearGradientBrushesForm)
  End Sub

End class Public Class LinearGradientBrushesForm

   Inherits System.Windows.Forms.Form

1. 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.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()
       components = New System.ruponentModel.Container()
       Me.Text = "LinearGradientBrushesForm"
   End Sub

1. End Region

   Private Sub LinearGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height / 4
       Dim blackBrush As Brush = Brushes.Black
       Dim b As LinearGradientBrush = New LinearGradientBrush(Me.ClientRectangle, Color.White, Color.Black, LinearGradientMode.Horizontal)
       b.SetBlendTriangularShape(0.5)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString("Triangle", Me.Font, blackBrush, x, y)
   End Sub

End Class</source>

Set Sigma Bell Shape

<source lang="vbnet">Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientSetSigmaBellShape

  public Shared Sub Main
       Application.Run(New LinearGradientBrushesForm)
  End Sub

End class Public Class LinearGradientBrushesForm

   Inherits System.Windows.Forms.Form

1. 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.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()
       components = New System.ruponentModel.Container()
       Me.Text = "LinearGradientBrushesForm"
   End Sub

1. End Region

   Private Sub LinearGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height / 4
       Dim blackBrush As Brush = Brushes.Black
       Dim b As LinearGradientBrush = New LinearGradientBrush(Me.ClientRectangle, Color.White, Color.Black, LinearGradientMode.Horizontal)
       b.SetSigmaBellShape(0.5)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString("Bell", Me.Font, blackBrush, x, y)
   End Sub

End Class</source>

Trangular brush

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LinearGradientBrushesSetBlendTriangularShape

  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)
       black_white_brush.SetBlendTriangularShape(0.5)
       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</source>

Transform LinearGradientBrush

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TransformLinearGradientBrush

  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)
       " Create a LinearGradientBrush object
       Dim rect As New Rectangle(20, 20, 200, 100)
       Dim lgBrush As New LinearGradientBrush(rect, Color.Red, Color.Green, 0.0F, True)
       Dim ptsArray As Point() = {New Point(20, 50), New Point(200, 50), New Point(20, 100)}
       Dim M As New Matrix(rect, ptsArray)
       " Multiply transform
       lgBrush.MultiplyTransform(M, MatrixOrder.Prepend)
       " Rotate transform
       lgBrush.RotateTransform(45.0F, MatrixOrder.Prepend)
       " Scale Transform
       lgBrush.ScaleTransform(2, 1, MatrixOrder.Prepend)
       " Draw a rectangle after transformation
       g.FillRectangle(lgBrush, 0, 0, 200, 100)
       " Reset transform.
       lgBrush.ResetTransform()
       " Draw a rectangle after Reset transform
       g.FillRectangle(lgBrush, 220, 0, 200, 100)
       " Dispose
       lgBrush.Dispose()
       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</source>