addRef clear clearCachedData clone cloneDoc context copy copyShapes createDoc draw dyndraw dyndraw equals findShape fromHandle getCurrentLayer getCurrentShapes getExtent getLastShape getLayerCount getPageRectW getShapeCount getType getViewScale im isKindOf isReadOnly load loadAll MgShapeDoc modelTransform release save saveAll setCurrentShapes setPageRectW setReadOnly shallowCopy switchLayer toHandle Type zoomToInitial ~MgShapeDoc

cloneDoc() MgShapeDoc* MgShapeDoc::cloneDoc ( ) const 复制出一个新图形文档对象，不复制图形 函数调用图: