游标怎么转为IFeatureClass嘛……
可以这么做啊
IFeatureClass pFC;
IFeature pFeature;
IFeatureCursor feac = search.Search(queryFilter, false);
pFeature=feac.NextFeature();
while(pFeature !=null)
{
pFC=pFeature.Class as IFeatureClass;
pFeature=feac.NextFeature();
}