clipBounds = mc1.getBounds(_root);
trace(clipBounds.xMin);//200
trace(clipBounds.yMin);//200
trace(clipBounds.xMax);//300
trace(clipBounds.yMax);//300
本地坐标测试:clipBounds = mc1.getBounds(mc1);
trace(clipBounds.xMin);//0
trace(clipBounds.yMin);//0
trace(clipBounds.xMax);//100
trace(clipBounds.yMax);//100