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

getSelectionCount() int MgSelection::getSelectionCount ( MgView *  view ) 得到选中的图形的个数 这是这个函数的调用关系图: