style |= SWT.DOUBLE_BUFFERED;
void _addListener (int eventType, Listener listener) {	super._addListener (eventType, listener);	switch (eventType) {		case SWT.MeasureItem:		case SWT.EraseItem:		case SWT.PaintItem:			customDraw = true;			setBackgroundTransparent (true);			//TODO - LVS_EX_LABELTIP causes white rectangles (turn it off)			OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, OS.LVS_EX_LABELTIP, 0);			break;	}}