'---------------------------------------
' Создание элемента произвольной формы © 2004 Александр Климов
'---------------------------------------
Imports System.Drawing.Drawing2D
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.ComponentModel.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 butRound As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.butRound = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'butRound
        '
        Me.butRound.Location = New System.Drawing.Point(48, 120)
        Me.butRound.Name = "butRound"
        Me.butRound.Size = New System.Drawing.Size(96, 40)
        Me.butRound.TabIndex = 0
        Me.butRound.Text = "Button1"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(243, 225)
        Me.Controls.Add(Me.butRound)
        Me.Name = "Form1"
        Me.Text = "Овальная кнопка"
        Me.ResumeLayout(False)

    End Sub

#End Region

   

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub butRound_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles butRound.Click
        im gp As New GraphicsPath
        im g As Graphics = CreateGraphics()

        ' Создадим новый прямоугольник с размерами кнопки
        im newRectangle As Rectangle = butRound.ClientRectangle

        ' Уменьшим размеры прямоугольника
        newRectangle.Inflate(-3, -3)

        'Создадим эллипс с полученными размерами
        gp.AddEllipse(newRectangle)
        butRound.Region = New Region(gp)

        ' Нарисуем окантовку для круглой кнопки
        g.DrawEllipse(New Pen(Color.Gray, 2), butRound.Left + 1, _
                      butRound.Top + 1, _
                      butRound.Width - 3, butRound.Height - 3)

        'Освобождаем ресурсы
        g.Dispose()
    End Sub
End Class