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

clearSnap() virtual void MgSnap::clearSnap ( const MgMotion *  sender ) pure virtual 清除捕捉结果 在 MgCmdManagerImpl 内被实现. 这是这个函数的调用关系图: