向已存在的要素类中添加字段
1)通过IFieldsEdit接口的AddField方法的函数rnstatic void AddField_IFields(IFeatureClass pFC, string name)rnrnIFields pFields = pFC.Fields;rnIFieldsEdit pFieldsEdit = pFields as IFieldsEdit;rnIField pField = new
1)通过IFieldsEdit接口的AddField方法的函数rnstatic void AddField_IFields(IFeatureClass pFC, string name)rnrnIFields pFields = pFC.Fields;rnIFieldsEdit pFieldsEdit = pFields as IFieldsEdit;rnIField pField = new