addSelection applyTransform cloneSelection deleteSelection deleteVertex getBoundingBox getSelectedHandle getSelectedShapeHandle getSelection getSelection getSelectionCount getSelectionForChange getSelectionForChange getSelectState getSelectType groupSelection insertVertex isEditMode isFixedLength isLocked isSelectedByType overturnPolygon resetSelection selectAll setEditMode setFixedLength setLocked switchClosed ungroupSelection ~MgSelection

isFixedLength() virtual bool MgSelection::isFixedLength ( MgView *  view ) pure virtual 返回当前选中图形是否固定边长 在 MgCmdSelect 内被实现. 这是这个函数的调用关系图: