C#

WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_GRAPHNOTIFY:
{
// ....
}
break;
case WM_LBUTTONDOWN:
{
// ..... 
}
break;

}

protected override void WndProc(ref System.Windows.Forms.Message m)
    {
      const int WM_NCLBUTTONDBLCLK = 0xA3;
      if (m.Msg != WM_NCLBUTTONDBLCLK)
{
// ......
}
        base.WndProc(ref m);
    }

case Action.Install :
{
    System.Configuration.Install.ManagedInstallerClass.InstallHelper
    (
        new string[] { System.Windows.Forms.Application.ExecutablePath }
    ) ;

    break ;
}

case Action.Uninstall :
{
    System.Configuration.Install.ManagedInstallerClass.InstallHelper
    (
        new string[] { "/UNINSTALL" , System.Windows.Forms.Application.ExecutablePath }
    ) ;

    break ;
}

C:\windows\microsoft.net\Framework\v1.1.4322\InstallUtil.exe
C:\windows\microsoft.net\Framework\v2.0.50727\InstallUtil.exe
C:\windows\microsoft.net\Framework\v4.0.30319\InstallUtil.exe