void releaseHandle() { super.releaseHandle(); arrowHandle = labelHandle = imageHandle = eventHandle = 0; }
void releaseHandle() { super.releaseHandle(); clientHandle = boxHandle = labelHandle = imageHandle = 0; parent = null; }
void releaseHandle() { super.releaseHandle(); parent = null; id = -1; }
void releaseHandle() { if (handle != 0) OS.g_free(handle); handle = 0; super.releaseHandle(); parent = null; }