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

isSelectedByType() virtual bool MgSelection::isSelectedByType ( MgView *  view, int  type  ) pure virtual 判断当前选择的图形是否从指定类型派生 在 MgCmdSelect 内被实现. 这是这个函数的调用关系图: