// Mouse Down won't register
void DrawMyWindow (int windowID) {
	// code
	if (Event.current.button == 0 && Event.current.type == EventType.MouseDown) {	//	DOES NOT WORK
		Debug.Log ("MOUSE DOWN!");
	}
	if (Event.current.button == 0 && Event.current.type == EventType.MouseUp) {	//	DOES NOT WORK
	if (Event.current.button == 0) {		//	Works
		Debug.Log ("MOUSE UP!");
	//	more code
	}
}