return OS.GetWindowPort(OS.GetControlOwner(handle));
int port= OS.GetWindowPort(OS.GetControlOwner(handle)); if (port == 0) SWT.error(SWT.ERROR_NO_HANDLES); return port;
		public int internal_new_GC (GCData data) {			data.device = display;			data.foreground = parent.getForegroundPixel();			data.background = parent.getBackgroundPixel();			data.font = parent.font.handle;			data.controlHandle = handle;			return OS.GetWindowPort(OS.GetControlOwner(handle));		}