Arcengine,C#获得FeatureClass的坐标系ISpatialReference--简单技巧

/// <summary>

        /// 获得坐标系统by yl [e-mail]

        /// </summary>

        /// <param name="pFeatureClass"></param>

        /// <returns></returns>

        public static ISpatialReference getSpatialReference(IFeatureClass pFeatureClass)

        {

            IGeoDataset pGeoDataset = pFeatureClass as IGeoDataset;

            return pGeoDataset.SpatialReference;

 

        }