IWorkspace pWsI = ((IDataset)pFtCls).Workspace
查询通配符
ISQLSyntax psqls = (ISQLSyntax)(((IDataset)pFtCls).Workspace);
string mulitstr = psqls.GetSpecialCharacter(esriSQLSpecialCharacters.esriSQL_WildcardManyMatch);
通过IFeatureClass 接口查询 IWorkspace, 查询通配符
原文：http://www.cnblogs.com/DayDreamEveryWhere/p/4066077.html