VB.Net Tutorial/GUI/Button — различия между версиями

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Текущая версия на 12:57, 26 мая 2010

Add Button to a form and attach event handler

Imports System.Windows.Forms
public class AddButtonAndAddEventHandler
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Private Sub ShowTheTime(ByVal sender As System.Object, ByVal e As System.EventArgs)
            Console.WriteLine( Now.ToLongTimeString())
    End Sub
    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim dynamicButton As Button
        dynamicButton = New Windows.Forms.Button
        dynamicButton.Location = New System.Drawing.Point(144, 32)
        dynamicButton.Size = New System.Drawing.Size(99, 23)
        dynamicButton.Text = "Get Time"
        dynamicButton.UseVisualStyleBackColor = True
        dynamicButton.TabIndex = 1
        Me.Controls.Add(dynamicButton)
        " ----- Connect the button to an event handler.
        AddHandler dynamicButton.Click, AddressOf ShowTheTime
    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(260, 76)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
        Me.MaximizeBox = False
        Me.Name = "Form1"
        Me.Text = "Dynamic Controls"
        Me.ResumeLayout(False)
    End Sub
End Class

Button Anchor

Imports System.Windows.Forms
public class ButtonAnchor
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Button1.Location = New System.Drawing.Point( _
            Me.ClientRectangle.Width - Button1.Width, _
            Me.ClientRectangle.Height - Button1.Height)
        Button1.Anchor = AnchorStyles.Bottom Or AnchorStyles.Right
    End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads 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.Button1 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(24, 24)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75, 23)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Button1"
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(185, 84)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents Button1 As System.Windows.Forms.Button
End Class

Button click event

Imports System.Windows.Forms
public class GetTextPasswordField
   public Shared Sub Main
        Application.Run(New FrmButtonTest)
   End Sub
End class

Public Class FrmButtonTest
   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
   Friend WithEvents lblOutput As System.Windows.Forms.Label
   Friend WithEvents txtInput As System.Windows.Forms.TextBox
   Friend WithEvents cmdShow As System.Windows.Forms.Button
   "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.cmdShow = New System.Windows.Forms.Button()
      Me.txtInput = New System.Windows.Forms.TextBox()
      Me.lblOutput = New System.Windows.Forms.Label()
      Me.SuspendLayout()
      "
      "cmdShow
      "
      Me.cmdShow.Font = New System.Drawing.Font("Microsoft Sans Serif", 11.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.cmdShow.Location = New System.Drawing.Point(88, 88)
      Me.cmdShow.Name = "cmdShow"
      Me.cmdShow.Size = New System.Drawing.Size(96, 40)
      Me.cmdShow.TabIndex = 2
      Me.cmdShow.Text = "Show Me"
      "
      "txtInput
      "
      Me.txtInput.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.txtInput.Location = New System.Drawing.Point(16, 16)
      Me.txtInput.Name = "txtInput"
      Me.txtInput.PasswordChar = Microsoft.VisualBasic.ChrW(42)
      Me.txtInput.Size = New System.Drawing.Size(232, 22)
      Me.txtInput.TabIndex = 0
      Me.txtInput.Text = ""
      "
      "lblOutput
      "
      Me.lblOutput.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
      Me.lblOutput.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblOutput.Location = New System.Drawing.Point(16, 56)
      Me.lblOutput.Name = "lblOutput"
      Me.lblOutput.Size = New System.Drawing.Size(232, 23)
      Me.lblOutput.TabIndex = 1
      "
      "FrmButtonTest
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(264, 141)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdShow, Me.lblOutput, Me.txtInput})
      Me.Name = "FrmButtonTest"
      Me.Text = "LabelTextBoxButtonExample"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Private Sub cmdShow_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles cmdShow.Click
      lblOutput.Text = txtInput.Text
   End Sub
End Class

Button click event and text changed event

Imports System.Windows.Forms
public class ButtonClickTextChanged
   public Shared Sub Main
        Application.Run(New 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.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(96, 72)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Button1"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(280, 181)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1})
        Me.Name = "Form1"
        Me.Text = "EventDemo"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        MsgBox("Click event occurred")
        If (Button1.Text = "Button1") Then
            Button1.Text = "Clicked"
        Else
            Button1.Text = "Button1"
        End If
    End Sub
    Private Sub Button1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.TextChanged
        MsgBox("Textchanged event occurred")
    End Sub
End Class

Button FlatStyle

imports System
imports System.Drawing
imports System.Windows.Forms
public class ButtonFlatStyle : inherits Form
  dim btn as Button
  dim i as integer
  dim theStyles as FlatStyle()
  dim img as Image  = Image.FromFile("yourfile.jpg")
  public sub New()
        Text = "Button Properties"
    Size = new Size(300,200)
    btn = new Button()
    btn.Parent = me
    btn.Text = btn.FlatStyle.ToString()
    btn.Location = new Point(10,10)
    btn.Size = new Size(200,100)
    btn.BackColor = Color.LightGreen
    AddHandler btn.Click, AddressOf btn_Click
    btn.Image = img
    btn.ImageAlign = ContentAlignment.MiddleRight
    btn.TextAlign = ContentAlignment.MiddleLeft
    dim theEnum as new FlatStyle()
    theStyles = CType([Enum].GetValues(theEnum.GetType()), FlatStyle())
  end sub
  public shared sub Main() 
    Application.Run(new ButtonFlatStyle())
  end sub
  private sub btn_Click(ByVal sender as object, ByVal e as EventArgs)
    Dim btn as Button = CType(sender, Button)
    btn.FlatStyle = theStyles(i)
    btn.Text = btn.FlatStyle.ToString()
    if (i < theStyles.Length - 1) then
      i = i + 1
    else
      i = 0
    end if
  end sub
end class

Button ImageList

imports System
imports System.Drawing
imports System.Windows.Forms
public class ButtonImageList : inherits Form
  dim imgList as ImageList = new ImageList()
    dim lbl as Label 
    dim lnk as LinkLabel
    dim btn as Button
    dim nmbrUpDown as NumericUpDown
  public sub New()
       Size = new Size(300,300)
    dim img as Image
    dim i as integer
    dim arFiles as string() = {"1.ico","2.ico","3.ico","4.ico"}
    for i = 0 to arFiles.Length - 1
      img = Image.FromFile(arFiles(i))
      imgList.Images.Add(img)
    next
    btn = new Button()
    btn.Parent = me
    btn.ImageList = imgList
    btn.ImageIndex = imgList.Images.Count - 1
    btn.Location = new Point(0, 0)
    btn.Size = new Size(200,20)
    "  Create numeric updown to select the image
    nmbrUpDown = new NumericUpDown()
    nmbrUpDown.Parent = me
    nmbrUpDown.Location = new Point(0, 60)
    nmbrUpDown.Value = 0
    nmbrUpDown.Minimum = 0
    nmbrUpDown.Maximum = imgList.Images.Count - 1
    nmbrUpDown.Width = 50
    nmbrUpDown.ReadOnly = true
    AddHandler nmbrUpDown.ValueChanged,AddressOf nmbrUpDown_ValueChanged
    end sub
    public shared sub Main() 
      Application.Run(new ButtonImageList())
    end sub
    private sub nmbrUpDown_ValueChanged(ByVal sender as object,ByVal e as EventArgs)
      dim n as NumericUpDown  = CType(sender, NumericUpDown)
    btn.ImageIndex = CType(n.Value, Integer)
    end sub
end class

Button PerformClick

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ButtonPerformClick
   public Shared Sub Main
        Application.Run(New 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.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(72, 80)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(184, 23)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Click Me to Click the Other Button"
        "
        "Button2
        "
        Me.Button2.Location = New System.Drawing.Point(72, 160)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(184, 23)
        Me.Button2.TabIndex = 1
        Me.Button2.Text = "The Other Button"
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(0, 0)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(328, 40)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "Clicked"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(328, 273)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Button2.PerformClick()
    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Button2.Text = "I"ve been clicked!"
    End Sub
End Class

Button Properties

imports System
imports System.Drawing
imports System.Windows.Forms
public class ButtonFlatStyle : inherits Form
  dim btn as Button
  dim i as integer
  dim theStyles as FlatStyle()
  dim img as Image  = Image.FromFile("yourfile.jpg")
  public sub New()
        Text = "Button Properties"
    Size = new Size(300,200)
    btn = new Button()
    btn.Parent = me
    btn.Text = btn.FlatStyle.ToString()
    btn.Location = new Point(10,10)
    btn.Size = new Size(200,100)
    btn.BackColor = Color.LightGreen
    AddHandler btn.Click, AddressOf btn_Click
    btn.Image = img
    btn.ImageAlign = ContentAlignment.MiddleRight
    btn.TextAlign = ContentAlignment.MiddleLeft
    dim theEnum as new FlatStyle()
    theStyles = CType([Enum].GetValues(theEnum.GetType()), FlatStyle())
  end sub
  public shared sub Main() 
    Application.Run(new ButtonFlatStyle())
  end sub
  private sub btn_Click(ByVal sender as object, ByVal e as EventArgs)
    Dim btn as Button = CType(sender, Button)
    btn.FlatStyle = theStyles(i)
    btn.Text = btn.FlatStyle.ToString()
    if (i < theStyles.Length - 1) then
      i = i + 1
    else
      i = 0
    end if
  end sub
end class

Button with background image

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ButtonBackgroundImage
   public Shared Sub Main
        Application.Run(New 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.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.BackgroundImage = System.Drawing.Image.FromFile("yourfile.jpg")
        Me.Button1.Location = New System.Drawing.Point(8, 64)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(368, 20)
        Me.Button1.TabIndex = 0
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(104, 184)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(168, 20)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 24.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(0, 0)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(232, 48)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "Image Buttons"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(384, 229)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        TextBox1.Text = "You clicked the button."
    End Sub
End Class

Irregular shape of Button

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class IrregularShapeButton
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Inherits System.Windows.Forms.Form
    Private originalSize As Size
#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.
    Friend WithEvents AnimationBtn As System.Windows.Forms.Button
    Friend WithEvents VideoBtn As System.Windows.Forms.Button
    Friend WithEvents AudioBtn As System.Windows.Forms.Button
    Friend WithEvents ContextMenu1 As System.Windows.Forms.ContextMenu
    Friend WithEvents Circlemenu As System.Windows.Forms.MenuItem
    Friend WithEvents RectMenu As System.Windows.Forms.MenuItem
    Friend WithEvents TriangleMenu As System.Windows.Forms.MenuItem
    Friend WithEvents CloseMenu As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.AnimationBtn = New System.Windows.Forms.Button
        Me.VideoBtn = New System.Windows.Forms.Button
        Me.AudioBtn = New System.Windows.Forms.Button
        Me.ContextMenu1 = New System.Windows.Forms.ContextMenu
        Me.Circlemenu = New System.Windows.Forms.MenuItem
        Me.RectMenu = New System.Windows.Forms.MenuItem
        Me.TriangleMenu = New System.Windows.Forms.MenuItem
        Me.CloseMenu = New System.Windows.Forms.MenuItem
        Me.SuspendLayout()
        "
        "AnimationBtn
        "
        Me.AnimationBtn.BackColor = System.Drawing.Color.Blue
        Me.AnimationBtn.Font = New System.Drawing.Font("Tahoma", 10.0!, System.Drawing.FontStyle.Bold)
        Me.AnimationBtn.ForeColor = System.Drawing.SystemColors.ControlLightLight
        Me.AnimationBtn.Location = New System.Drawing.Point(120, 146)
        Me.AnimationBtn.Name = "AnimationBtn"
        Me.AnimationBtn.Size = New System.Drawing.Size(152, 104)
        Me.AnimationBtn.TabIndex = 6
        Me.AnimationBtn.Text = "Animation"
        "
        "VideoBtn
        "
        Me.VideoBtn.BackColor = System.Drawing.Color.Green
        Me.VideoBtn.Font = New System.Drawing.Font("Tahoma", 10.0!, System.Drawing.FontStyle.Bold)
        Me.VideoBtn.ForeColor = System.Drawing.SystemColors.ControlLightLight
        Me.VideoBtn.Location = New System.Drawing.Point(208, 26)
        Me.VideoBtn.Name = "VideoBtn"
        Me.VideoBtn.Size = New System.Drawing.Size(160, 96)
        Me.VideoBtn.TabIndex = 5
        Me.VideoBtn.Text = "Play Video"
        "
        "AudioBtn
        "
        Me.AudioBtn.BackColor = System.Drawing.Color.FromArgb(CType(255, Byte), CType(128, Byte), CType(0, Byte))
        Me.AudioBtn.Font = New System.Drawing.Font("Tahoma", 10.0!, System.Drawing.FontStyle.Bold)
        Me.AudioBtn.ForeColor = System.Drawing.SystemColors.ControlLightLight
        Me.AudioBtn.Location = New System.Drawing.Point(96, 26)
        Me.AudioBtn.Name = "AudioBtn"
        Me.AudioBtn.Size = New System.Drawing.Size(160, 96)
        Me.AudioBtn.TabIndex = 4
        Me.AudioBtn.Text = "Play Audio"
        "
        "ContextMenu1
        "
        Me.ContextMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Circlemenu, Me.RectMenu, Me.TriangleMenu, Me.CloseMenu})
        "
        "Circlemenu
        "
        Me.Circlemenu.Index = 0
        Me.Circlemenu.Text = "Circle"
        "
        "RectMenu
        "
        Me.RectMenu.Index = 1
        Me.RectMenu.Text = "Original"
        "
        "TriangleMenu
        "
        Me.TriangleMenu.Index = 2
        Me.TriangleMenu.Text = "TriangleMenu"
        "
        "CloseMenu
        "
        Me.CloseMenu.Index = 3
        Me.CloseMenu.Text = "Close"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(464, 277)
        Me.Controls.Add(Me.AnimationBtn)
        Me.Controls.Add(Me.VideoBtn)
        Me.Controls.Add(Me.AudioBtn)
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        originalSize = Me.Size
        Dim path1 As New GraphicsPath(FillMode.Alternate)
        path1.AddEllipse(New Rectangle(30, 30, AudioBtn.Width - 60, AudioBtn.Height - 60))
        AudioBtn.Region = New [Region](path1)
        Dim path2 As New GraphicsPath(FillMode.Alternate)
        path2.AddEllipse(New Rectangle(30, 30, VideoBtn.Width - 60, VideoBtn.Height - 60))
        VideoBtn.Region = New [Region](path2)
        Dim path3 As New GraphicsPath(FillMode.Alternate)
        path3.AddEllipse(New Rectangle(20, 20, VideoBtn.Width - 40, VideoBtn.Height - 40))
        AnimationBtn.Region = New [Region](path3)
    End Sub
    Private Sub AudioBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AudioBtn.Click
        MessageBox.Show("Play Audio Button clicked!")
    End Sub
    Private Sub VideoBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles VideoBtn.Click
        MessageBox.Show("Play Video Button clicked!")
    End Sub
    Private Sub AnimationBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AnimationBtn.Click
        MessageBox.Show("Play Animation Button clicked!")
    End Sub
    
End Class

Owner draw button

Imports System.Drawing
Imports System.Drawing.Drawing2D
Public Class OwnerDrawnButton
    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.
    Friend WithEvents button4 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.button4 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "button4
        "
        Me.button4.Location = New System.Drawing.Point(40, 35)
        Me.button4.Name = "button4"
        Me.button4.Size = New System.Drawing.Size(200, 40)
        Me.button4.TabIndex = 2
        Me.button4.Text = "button4"
        "
        "OwnerDrawnButton
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(280, 110)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.button4})
        Me.Name = "OwnerDrawnButton"
        Me.Text = "OwnerDrawnButton"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub button4_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles button4.Paint
        Dim pen As Pen = New Pen(Color.Red, 2)
        e.Graphics.DrawRectangle(pen, 5, 5, button4.Width - 10, button4.Height - 10)
    End Sub
End Class