参考资料：

1. http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/d/0001000003s8000000.htm

2. http://help.arcgis.com/en/sdk/10.0/arcobjects_net/componenthelp/index.html#/IWorkspaceName_Interface/002500000mnv000000/

3. http://blog.csdn.net/iispring/article/details/6917375