addChild adjustRelativeLinks copyShapeFrom create create enforceRecompute getBoundingBox getDocument getExportName getId getIDocument getInList getInListEx getInListRecursive getLabel getLocationInfo getNameInBimPart getNameWithDocId getObserverDelegate getOutList getOutListRecursive getParents getPropertiesList getPropertyAccessor getStatusString getSubObjectList getSubObjects getViewProviderDelegate getViewProviderName hasChildElement isElementVisible isImporting isTouched mustExecute recomputeFeature redirectSubName removeChild setDocument setElementVisible setLabel touch ~IDocumentObject

hasChildElement() virtual bool hasChildElement ( ) const pure virtual 检查当前文档对象是否有任何子元素 检查当前文档对象是否有任何子元素 返回 如果有子元素，则返回 true；否则，返回 false