virtual void MouseMove(Point p, dword) {
		point = p;
		Refresh();
	}

	virtual void LeftDown(Point p, dword) {
		Rotate();
	}

	void Rotate( ) 
	{ for(int i=1;i<=1000000;i++) {
	 	 rtri+=0.2f; //it is used in GlPaint
	   	 Refresh();
	  }
	}