state |= THEME_BACKGROUND;
state |= GRAB | THEME_BACKGROUND;
void createHandle () {	state |= THEME_BACKGROUND;	int features = OS.kControlSupportsFocus;	int [] outControl = new int [1];	int window = OS.GetControlOwner (parent.handle);	OS.CreateUserPaneControl (window, null, features, outControl);	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);	handle = outControl [0];}