VB.Net Tutorial/2D Graphics/Rectangle — различия между версиями

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Текущая версия на 12:54, 26 мая 2010

Create Rectangle From Size And Point

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CreateRectangleFromSizeAndPoint
   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()
        Dim x As Integer = 40
        Dim y As Integer = 40
        Dim height As Integer = 120
        Dim width As Integer = 120
        Dim pt As New Point(80, 80)
        Dim sz As New Size(100, 100)
        Dim rect1 As New Rectangle(pt, sz)
        Dim redPen As New Pen(Color.Red, 2)
        g.DrawRectangle(redPen, rect1)
        redPen.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

Create Rectangle From X, Y, Width, Height

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CreateRectangleFromXYWidthHeight
   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()
        Dim x As Integer = 40
        Dim y As Integer = 40
        Dim height As Integer = 120
        Dim width As Integer = 120
        Dim pt As New Point(80, 80)
        Dim sz As New Size(100, 100)
        Dim rect1 As New Rectangle(pt, sz)
        Dim redPen As New Pen(Color.Red, 2)
        g.DrawRectangle(redPen, rect1)
        redPen.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

Draw Rectangle

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawShapes
   public Shared Sub Main
        Application.Run(New FrmComboBox)
   End Sub
End class
Public Class FrmComboBox
   Inherits 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
   " contains shape list (circle, square, ellipse, pie) 
   Friend WithEvents cboImage As System.Windows.Forms.ruboBox
   "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()
      Me.cboImage = New System.Windows.Forms.ruboBox()
      Me.SuspendLayout()
      "
      "cboImage
      "
      Me.cboImage.DropDownWidth = 121
      Me.cboImage.Items.AddRange(New Object() {"Circle", "Square", "Ellipse", "Pie", "Filled Circle", "Filled Square", "Filled Ellipse", "Filled Pie"})
      Me.cboImage.Location = New System.Drawing.Point(24, 16)
      Me.cboImage.Name = "cboImage"
      Me.cboImage.Size = New System.Drawing.Size(121, 21)
      Me.cboImage.TabIndex = 0
      "
      "FrmComboBox
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(292, 273)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cboImage})
      Me.Name = "FrmComboBox"
      Me.Text = "ComboBoxTest"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Private Sub cboImage_SelectedIndexChanged _
      (ByVal sender As System.Object, _
      ByVal e As System.EventArgs) _
      Handles cboImage.SelectedIndexChanged
      Dim myGraphics As Graphics = MyBase.CreateGraphics()
      Dim myPen As New Pen(Color.DarkRed)
      Dim mySolidBrush As New SolidBrush(Color.DarkRed)
      myGraphics.Clear(Color.White)
      Select Case cboImage.SelectedIndex
         Case 0 " case circle is selected
            myGraphics.DrawEllipse(myPen, 50, 50, 150, 150)
         Case 1 
            myGraphics.DrawRectangle(myPen, 50, 50, 150, 150)
         Case 2 
            myGraphics.DrawEllipse(myPen, 50, 85, 150, 115)
         Case 3 
            myGraphics.DrawPie(myPen, 50, 50, 150, 150, 0, 45)
         Case 4 
            myGraphics.FillEllipse(mySolidBrush, 50, 50, 150, 150)
         Case 5 
            myGraphics.FillRectangle(mySolidBrush, 50, 50, 150, 150)
         Case 6 
            myGraphics.FillEllipse(mySolidBrush, 50, 85, 150, 115)
         Case 7 
            myGraphics.FillPie(mySolidBrush, 50, 50, 150, 150, 0, 45)
      End Select
   End Sub
End Class

Draw Rectangle in different size

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawRectangleDifferentSize
   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 a As Graphics =  e.Graphics
        Dim mypen As Pen
        Dim myrect As Rectangle
        mypen = New Pen(System.Drawing.Color.Red, 6)
        a = Me.CreateGraphics
        a.Clear(Me.BackColor)
        a.DrawRectangle(mypen, 10, 10, 150, 150)
        a.DrawRectangle(mypen, 20, 20, 200, 200)
        a.DrawRectangle(mypen, 30, 30, 250, 250)
        a.DrawRectangle(mypen, 40, 40, 300, 300)
        myrect.X = 100
        myrect.Y = 40
        myrect.Width = 100
        myrect.Height = 100
        a.DrawRectangle(mypen, myrect)
        myrect.X = 120
        myrect.Y = 60
        myrect.Width = 100
        myrect.Height = 100
        a.DrawRectangle(mypen, myrect)
        a.Dispose()
        mypen.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

Draw Rectangle with rectangle X, Y, Width and Height

Imports System.Drawing.Drawing2D
Imports System.Drawing
Imports System.Windows.Forms
public class DrawRectangle
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
        canvas.DrawRectangle(New Pen(Color.Blue, -1), 0, 0, 80, 80)
    End Sub
    Private Sub Form1_Resize(ByVal sender As Object, _
          ByVal e As System.EventArgs) Handles Me.Resize
        Me.Refresh()
    End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        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()
        Me.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(515, 459)
        Me.DoubleBuffered = True
        Me.Name = "Form1"
        Me.Text = "Using a Path"
        Me.ResumeLayout(False)
    End Sub
End Class

Fill Rectangle

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawShapes
   public Shared Sub Main
        Application.Run(New FrmComboBox)
   End Sub
End class
Public Class FrmComboBox
   Inherits 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
   " contains shape list (circle, square, ellipse, pie) 
   Friend WithEvents cboImage As System.Windows.Forms.ruboBox
   "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()
      Me.cboImage = New System.Windows.Forms.ruboBox()
      Me.SuspendLayout()
      "
      "cboImage
      "
      Me.cboImage.DropDownWidth = 121
      Me.cboImage.Items.AddRange(New Object() {"Circle", "Square", "Ellipse", "Pie", "Filled Circle", "Filled Square", "Filled Ellipse", "Filled Pie"})
      Me.cboImage.Location = New System.Drawing.Point(24, 16)
      Me.cboImage.Name = "cboImage"
      Me.cboImage.Size = New System.Drawing.Size(121, 21)
      Me.cboImage.TabIndex = 0
      "
      "FrmComboBox
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(292, 273)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cboImage})
      Me.Name = "FrmComboBox"
      Me.Text = "ComboBoxTest"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Private Sub cboImage_SelectedIndexChanged _
      (ByVal sender As System.Object, _
      ByVal e As System.EventArgs) _
      Handles cboImage.SelectedIndexChanged
      Dim myGraphics As Graphics = MyBase.CreateGraphics()
      Dim myPen As New Pen(Color.DarkRed)
      Dim mySolidBrush As New SolidBrush(Color.DarkRed)
      myGraphics.Clear(Color.White)
      Select Case cboImage.SelectedIndex
         Case 0 " case circle is selected
            myGraphics.DrawEllipse(myPen, 50, 50, 150, 150)
         Case 1 
            myGraphics.DrawRectangle(myPen, 50, 50, 150, 150)
         Case 2 
            myGraphics.DrawEllipse(myPen, 50, 85, 150, 115)
         Case 3 
            myGraphics.DrawPie(myPen, 50, 50, 150, 150, 0, 45)
         Case 4 
            myGraphics.FillEllipse(mySolidBrush, 50, 50, 150, 150)
         Case 5 
            myGraphics.FillRectangle(mySolidBrush, 50, 50, 150, 150)
         Case 6 
            myGraphics.FillEllipse(mySolidBrush, 50, 85, 150, 115)
         Case 7 
            myGraphics.FillPie(mySolidBrush, 50, 50, 150, 150, 0, 45)
      End Select
   End Sub
End Class

Get Rectangle properties

Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Test
   public Shared Sub Main
        Dim pt As New Point(10, 10)
        Dim sz As New Size(60, 40)
        Dim rect1 As Rectangle = Rectangle.Empty
        Dim rect2 As New Rectangle(20, 30, 30, 10)
        " Set Rectangle properties
        If rect1.IsEmpty Then
            rect1.Location = pt
            rect1.Width = sz.Width
            rect1.Height = sz.Height
        End If
        " Get Rectangle properties
        Dim str As String = "Location:" + rect1.Location.ToString()
        str += ", X:" + rect1.X.ToString()
        str += ", Y:" + rect1.Y.ToString()
        str += ", Left:" + rect1.Left.ToString()
        str += ", Right" + rect1.Right.ToString()
        str += ", Top:" + rect1.Top.ToString()
        str += ", Bottom:" + rect1.Bottom.ToString()
        Console.WriteLine(str)
   End Sub
End class
Location:{X=10,Y=10}, X:10, Y:10, Left:10, Right70, Top:10, Bottom:50

Is inside a Rectangle

Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
public class RectangleInside
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim bigRect As New Rectangle(50, 50, 100, 100)
#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()
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(376, 277)
        Me.Name = "Form1"
        Me.Text = "Form1"
    End Sub
#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)
        e.Graphics.FillRectangle(New SolidBrush(Color.Green), bigRect)
    End Sub
    Protected Overrides Sub OnMouseDown(ByVal e As MouseEventArgs)
        If e.Button = MouseButtons.Left Then "
            If bigRect.Contains(New Point(e.X, e.Y)) Then
                MessageBox.Show("Clicked inside rectangle")
            Else
                MessageBox.Show("Clicked outside rectangle")
            End If
        End If
    End Sub
End Class

Rectangle.Inflate

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleInflate
   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)
        " Create a Graphics object
        Dim g As Graphics = Me.CreateGraphics()
        " Create PointF, SizeF and RectangleF
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        " Draw rectangles
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim inflateSize As New Size(0, 40)
        " Inflate rectangle
        rect5.Inflate(inflateSize)
        " Draw new rectangle
        g.DrawRectangle(Pens.Blue, rect5)
  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

Rectangle.Intersect

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnionIntersect
   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()
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim isectRect As Rectangle = Rectangle.Intersect(rect3, rect5)
        g.FillRectangle(New SolidBrush(Color.Blue), isectRect)
        Dim inflateSize As New Size(0, 40)
        isectRect.Inflate(inflateSize)
        g.DrawRectangle(Pens.Blue, isectRect)
        rect4 = Rectangle.Empty
        rect4.Location = New Point(50, 50)
        rect4.X = 30
        rect4.Y = 40
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        g.DrawRectangle(Pens.Green, unionRect)
        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

Rectangle.Union

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnion
   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)
        " Create a Graphics object
        Dim g As Graphics = Me.CreateGraphics()
        " Create PointF, SizeF and RectangleF
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        " Draw rectangles
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        " Draw new rectangle
        g.DrawRectangle(Pens.Green, unionRect)

  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

Rectangle.Union and Intersect

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnionIntersect
   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()
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim isectRect As Rectangle = Rectangle.Intersect(rect3, rect5)
        g.FillRectangle(New SolidBrush(Color.Blue), isectRect)
        Dim inflateSize As New Size(0, 40)
        isectRect.Inflate(inflateSize)
        g.DrawRectangle(Pens.Blue, isectRect)
        rect4 = Rectangle.Empty
        rect4.Location = New Point(50, 50)
        rect4.X = 30
        rect4.Y = 40
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        g.DrawRectangle(Pens.Green, unionRect)
        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

Use RectangleF

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class UsingRectangleF
   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()
        Dim x As Single = 40.0F
        Dim y As Single = 40.0F
        Dim height As Single = 120.0F
        Dim width As Single = 120.0F
        Dim pt As New PointF(80.0F, 80.0F)
        Dim sz As New SizeF(100.0F, 100.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(x, y, width, height)
        Dim rect3 As New RectangleF(10.0F, 10.0F, 180.0F, 180.0F)
        Dim redPen As New Pen(Color.Red, 2)
        Dim greenBrush As New SolidBrush(Color.Blue)
        Dim blueBrush As New SolidBrush(Color.Green)
        g.DrawRectangle(redPen, rect3.X, rect3.Y, rect3.Width, rect3.Height)
        g.FillRectangle(blueBrush, rect2)
        g.FillRectangle(greenBrush, rect1)
        redPen.Dispose()
        blueBrush.Dispose()
        greenBrush.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