clearSnap drawPerpMark drawSnap getSnapOptions getSnappedHandle getSnappedPoint getSnappedPoint getSnappedType setIgnoreStartPoint setSnapOptions snapPoint snapPoint ~MgSnap

getSnapOptions() virtual int MgSnap::getSnapOptions ( MgView *  view ) const pure virtual 返回捕捉选项，由 MgSnapOptions 按位组成 在 MgCmdManagerImpl 内被实现. 这是这个函数的调用关系图: