VB.Net Tutorial/2D Graphics/2D Introduction

Draw All Shapes

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

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class Public Class Form1

   Inherits System.Windows.Forms.Form
   Public Sub New()
       MyBase.New()
       InitializeComponent()
   End Sub
   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
   Private components As System.ruponentModel.IContainer
   Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
   Friend WithEvents Button1 As System.Windows.Forms.Button
   Friend WithEvents Button2 As System.Windows.Forms.Button
   Friend WithEvents Button3 As System.Windows.Forms.Button
   Friend WithEvents Button4 As System.Windows.Forms.Button
   Friend WithEvents Button5 As System.Windows.Forms.Button
   Friend WithEvents Button6 As System.Windows.Forms.Button
   Friend WithEvents Button7 As System.Windows.Forms.Button
   Friend WithEvents Button8 As System.Windows.Forms.Button
   Friend WithEvents Button9 As System.Windows.Forms.Button
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.PictureBox1 = New System.Windows.Forms.PictureBox
       Me.Button1 = New System.Windows.Forms.Button
       Me.Button2 = New System.Windows.Forms.Button
       Me.Button3 = New System.Windows.Forms.Button
       Me.Button4 = New System.Windows.Forms.Button
       Me.Button5 = New System.Windows.Forms.Button
       Me.Button6 = New System.Windows.Forms.Button
       Me.Button7 = New System.Windows.Forms.Button
       Me.Button8 = New System.Windows.Forms.Button
       Me.Button9 = New System.Windows.Forms.Button
       Me.SuspendLayout()
       "
       "PictureBox1
       "
       Me.PictureBox1.BackColor = System.Drawing.SystemColors.Window
       Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.PictureBox1.Dock = System.Windows.Forms.DockStyle.Left
       Me.PictureBox1.Location = New System.Drawing.Point(0, 0)
       Me.PictureBox1.Name = "PictureBox1"
       Me.PictureBox1.Size = New System.Drawing.Size(208, 266)
       Me.PictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
       Me.PictureBox1.TabIndex = 0
       Me.PictureBox1.TabStop = False
       "
       "Button1
       "
       Me.Button1.Location = New System.Drawing.Point(240, 8)
       Me.Button1.Name = "Button1"
       Me.Button1.Size = New System.Drawing.Size(56, 24)
       Me.Button1.TabIndex = 1
       Me.Button1.Text = "Dot"
       "
       "Button2
       "
       Me.Button2.Location = New System.Drawing.Point(240, 48)
       Me.Button2.Name = "Button2"
       Me.Button2.Size = New System.Drawing.Size(56, 24)
       Me.Button2.TabIndex = 2
       Me.Button2.Text = "Line"
       "
       "Button3
       "
       Me.Button3.Location = New System.Drawing.Point(240, 88)
       Me.Button3.Name = "Button3"
       Me.Button3.Size = New System.Drawing.Size(56, 24)
       Me.Button3.TabIndex = 3
       Me.Button3.Text = "Ellipse"
       "
       "Button4
       "
       Me.Button4.Location = New System.Drawing.Point(240, 128)
       Me.Button4.Name = "Button4"
       Me.Button4.Size = New System.Drawing.Size(56, 24)
       Me.Button4.TabIndex = 4
       Me.Button4.Text = "Arc"
       "
       "Button5
       "
       Me.Button5.Location = New System.Drawing.Point(240, 168)
       Me.Button5.Name = "Button5"
       Me.Button5.Size = New System.Drawing.Size(56, 24)
       Me.Button5.TabIndex = 5
       Me.Button5.Text = "Pie"
       "
       "Button6
       "
       Me.Button6.Location = New System.Drawing.Point(240, 208)
       Me.Button6.Name = "Button6"
       Me.Button6.Size = New System.Drawing.Size(56, 24)
       Me.Button6.TabIndex = 6
       Me.Button6.Text = "Rectangle"
       "
       "Button7
       "
       Me.Button7.Location = New System.Drawing.Point(312, 8)
       Me.Button7.Name = "Button7"
       Me.Button7.Size = New System.Drawing.Size(56, 24)
       Me.Button7.TabIndex = 7
       Me.Button7.Text = "Triangle"
       "
       "Button8
       "
       Me.Button8.Location = New System.Drawing.Point(312, 48)
       Me.Button8.Name = "Button8"
       Me.Button8.Size = New System.Drawing.Size(56, 24)
       Me.Button8.TabIndex = 8
       Me.Button8.Text = "Polygon"
       "
       "Button9
       "
       Me.Button9.Location = New System.Drawing.Point(312, 88)
       Me.Button9.Name = "Button9"
       Me.Button9.Size = New System.Drawing.Size(56, 24)
       Me.Button9.TabIndex = 9
       Me.Button9.Text = "Bezier Curve"
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(376, 246)
       Me.Controls.Add(Me.Button9)
       Me.Controls.Add(Me.Button8)
       Me.Controls.Add(Me.Button7)
       Me.Controls.Add(Me.Button6)
       Me.Controls.Add(Me.Button5)
       Me.Controls.Add(Me.Button4)
       Me.Controls.Add(Me.Button3)
       Me.Controls.Add(Me.Button2)
       Me.Controls.Add(Me.Button1)
       Me.Controls.Add(Me.PictureBox1)
       Me.ResumeLayout(False)
   End Sub
   Dim g As System.Drawing.Graphics
   Dim pen1 As New System.Drawing.Pen(Color.Red, 3)
   
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       PictureBox1.Refresh()
       g = PictureBox1.CreateGraphics
       Dim point1 As System.Drawing.Point
       Dim point2 As System.Drawing.Point
       point1.x = 10 
       point1.y = 20 
       point2.X = 11 
       point2.Y = 21
       g.DrawLine(pen1, point1, point2)
   End Sub
   Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
       g = PictureBox1.CreateGraphics
       g.DrawLine(pen1, 20, 20, 160, 160)
   End Sub
   Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
       g = PictureBox1.CreateGraphics
       g.DrawEllipse(pen1, 50, 50, 100, 150)
   End Sub
   Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
       g = PictureBox1.CreateGraphics
       g.DrawArc(pen1, 90, 50, 100, 150, 150, 160)
   End Sub
   Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
       g = PictureBox1.CreateGraphics
       g.DrawPie(pen1, 50, 50, 150, 150, 0, 170)
   End Sub
   Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
       g = PictureBox1.CreateGraphics
       g.DrawRectangle(pen1, 30, 30, 50, 60)
   End Sub
   Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
       Dim p(3) As System.Drawing.Point
       p(0).X = 0
       p(0).Y = 0
       p(1).X = 40
       p(1).Y = 120
       p(2).X = 110
       p(2).Y = 70
       g = PictureBox1.CreateGraphics
       g.DrawPolygon(pen1, p)
   End Sub
   Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
       Dim p(5) As System.Drawing.Point
       p(0).X = 0
       p(0).Y = 0
       p(1).X = 40
       p(1).Y = 120
       p(2).X = 110
       p(2).Y = 70
       p(3).X = 30
       p(3).Y = 30
       p(4).X = 170
       p(4).Y = 10
       g = PictureBox1.CreateGraphics
       g.DrawPolygon(pen1, p)
   End Sub
   Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
       g = PictureBox1.CreateGraphics
       g.DrawBezier(pen1, 10, 20, 140, 150, 100, 30, 150, 200)
   End Sub

End Class</source>