C#

protected override void OnPaint( PaintEventArgs e ) {
    base.OnPaint( e );

    if( ( this.Width <= 0 ) || ( this.Height <= 0 ) ) return;

    e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

    GraphicsPath path = createGraphicPath( Shapes.Pie);

    this.Region = new Region( path );

    Pen pen = new Pen( new SolidBrush( borderColor_ ), borderWidth_ );
    pen.DashStyle = borderStyle_;

    e.Graphics.DrawPath( pen, path );

    path.Dispose();
    pen.Dispose();
}

void AssociateClick(Control starterControl)
{
    if(starterControl==null)return;

    foreach(Control c in starterControl.Controls)
    {
        if(c is Button)
        c.Click+=new EventHandler(c_Click);
        AssociateClick(c);
    }
}

void c_Click(object sender, EventArgs e)
{
    //just for testing
    MessageBox.Show((sender as Button).Name);
}

public static void log(string s) {
    s=DateTime.Now.ToString("hh:mm:ss.fff")+" "+s;
    Console.WriteLine(s);
}

public class MyApp : Window

{

   public MyApp()

   {

      this.Visibility = Visibility.Hidden;

      m_Window = new Window();

   }

   Window m_Window;

}

 

 

class Program

{

  [STAThread]

  static void Main()

  {

    Application app = new Application();

    MyApp win = new MyApp();

    app.Run();

  }

}