cmds commandChanged context createRegenLocker createShapeCtx doc document dynamicChanged findCommand fromHandle getAction getCmdSubject getCommand getCommandName getLocalizedString getNewShapeID getOptionBool getOptionFloat getOptionInt getOptionString getSelection getShapeFactory getSnap hideContextActions isCommand isContextActionsVisible isReadOnly modelTransform motion redraw regenAll regenAppend registerCommand removeShape selectionChanged setCommand setCurrentShapes setNewShapeID setOptionBool setOptionFloat setOptionInt setOptionString shapeAdded shapeCanMovedHandle shapeCanRotated shapeCanTransform shapeCanUngroup shapeCanUnlock shapeChanged shapeClicked shapeDblClick shapeMoved shapes shapeWillAdded shapeWillChanged shapeWillDeleted showContextActions showMessage toHandle toSelectCommand useFinger xform ~MgView

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