VB.Net/2D/Pie

Draw and Fill a Pie

Imports System
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D

Public Class MainClass
  Shared Sub Main()
     Dim form1 As Form1 = new Form1
     Application.Run(form1)
  End Sub
  
End Class

Public Class Form1
  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.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(504, 629)
    Me.Name = "Form1"
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
    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)
    Dim R1 As New Rectangle(10, 10, 40, 40)
    e.Graphics.SmoothingMode = SmoothingMode.HighQuality
    "Use first rect to bound pie 
    e.Graphics.ResetTransform()
    e.Graphics.TranslateTransform(100.0F, 50.0F)
    e.Graphics.DrawPie(Pens.DarkViolet, R1, 0, 60)
    "Use first rect to fill pie 
    e.Graphics.ResetTransform()
    e.Graphics.TranslateTransform(150.0F, 50.0F)
    e.Graphics.FillPie(Brushes.DarkViolet, R1, 0, 60)

  End Sub

End Class

Fill a Pie

Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Drawing.Text
Public Class MainClass
   Shared Sub Main()
        Dim myform As Form = New FrmDrawing()
        Application.Run(myform)
   End Sub " Main
End Class

Public Class FrmDrawing
   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()
      "
      "frmDrawing
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.BackColor = System.Drawing.SystemColors.AppWorkspace
      Me.ClientSize = New System.Drawing.Size(472, 157)
      Me.Name = "frmDrawing"
   End Sub
#End Region
   " display ovals lines, and rectangles
   Protected Overrides Sub OnPaint( _
      ByVal paintEvent As PaintEventArgs)
      " get graphics object
      Dim graphicsObject As Graphics = paintEvent.Graphics
      Dim rectangle1 As Rectangle = New Rectangle(15, 35, 80, 80)
      Dim brush1 As SolidBrush = New SolidBrush(Color.Firebrick)
      Dim pen1 As Pen = New Pen(brush1, 1)
      Dim brush2 As SolidBrush = New SolidBrush(Color.DarkBlue)
      Dim pen2 As Pen = New Pen(brush2, 1)

      " start at 0 and sweep 360 degrees
      rectangle1.Location = New Point(15, 120)
      rectangle1.Size = New Size(80, 40)
      graphicsObject.DrawRectangle(pen1, rectangle1)
      graphicsObject.FillPie(brush2, rectangle1, 0, 360)
   End Sub " OnPaint
End Class " FrmDrawing