PWD.
UgOpen现在已经已经被废弃了。如果要用的话可以看NXOpen。作者: sac807 时间: 2009-2-12 18:12
This class defines the interface for accessing the data of a UG arc object or a UG edge object that is circular. UG arc objects can be modified via the UgArc class, but UG edge objects with circular form cannot be modified.
The class Arc is defined in the header file arc.hxx.