Public Sub MatrixShearExample(ByVal e As PaintEventArgs)
    Dim myMatrix As New Matrix
    myMatrix.Shear(2, 0)
    e.Graphics.DrawRectangle(New Pen(Color.Green), 0, 0, 100, 50)
    e.Graphics.MultiplyTransform(myMatrix)
    e.Graphics.DrawRectangle(New Pen(Color.Red), 0, 0, 100, 50)
    e.Graphics.DrawEllipse(New Pen(Color.Blue), 0, 0, 100, 50)
End Sub

' 导入命名空间
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class TransformPathGradientBrush
   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 path As New GraphicsPath
        Dim rect As New Rectangle(20, 20, 200, 200)
        path.AddRectangle(rect)
        Dim pgBrush As New PathGradientBrush(path.PathPoints)
        pgBrush.CenterColor = Color.Green
        pgBrush.SurroundColors = New Color() {Color.Blue}
        Dim M As New Matrix
        M.Translate(20.0F, 10.0F, MatrixOrder.Prepend)
        M.Rotate(10.0F, MatrixOrder.Prepend)
        M.Scale(2, 1, MatrixOrder.Prepend)
        M.Shear(0.05F, 0.03F, MatrixOrder.Prepend)
        pgBrush.MultiplyTransform(M)
        g.FillRectangle(pgBrush, 20, 100, 400, 400)
        pgBrush.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