cloneShape context copy draw drawShape equals fromHandle getHandleCount getHandlePoint getHandleType getID getParent getPoint getPointCount getTag hasFillColor isKindOf load Null save setContext setContext setParent setTag shape shapec toHandle Type ~MgShape

toHandle() long MgShape::toHandle ( ) const 得到句柄，用于跨库转换 这是这个函数的调用关系图: