void registerClass( )
{
USER32.WNDCLASSEX wndClassEx = new USER32.WNDCLASSEX( );
wndClassEx.cbClsExtra = 0;
wndClassEx.cbWndExtra = 0;
wndClassEx.cbSize = ( uint )Marshal.SizeOf(wndClassEx);
wndClassEx.style = (USER32.CS_VREDRAW | USER32.CS_HREDRAW);
wndClassEx.hbrBackground = ( IntPtr )5;
wndClassEx.hInstance = this.hInstance;
wndClassEx.hCursor = USER32.LoadCursor(IntPtr.Zero, USER32.IDC_ARROW);
wndClassEx.hIcon = USER32.LoadIcon(IntPtr.Zero, USER32.IDI_APPLICATION);
wndClassEx.hIconSm = wndClassEx.hIcon;
wndClassEx.lpszMenuName = null;
wndClassEx.lpszClassName = WND_CLASSNAME;
wndClassEx.lpfnWndProc = this.windowEvents;
if (USER32.RegisterClassEx(ref wndClassEx) == 0)
{
throw new InvalidOperationException("[USER32.RegisterClassEx] Can't register window class " + WND_CLASSNAME + ".");
}
}
