///<summary>
 ///有索引的字段链表中追加字段
 ///</summary>
 ///<param name="field">字段</param>
 ///<param name="desc">是否为降序</param>
 ///<returns></returns>
 public void Append(EarthView.World.Core.Database.SqlField field, bool desc)
 {
     EarthView_World_Core_Database_CSqlIndex_append_void_CSqlField_ev_bool(this.NativeObject, object.Equals(field, null) ? IntPtr.Zero : field.NativeObject, Convert.ToByte(desc));
 }
 ///<summary>
 ///有索引的字段链表中追加字段
 ///</summary>
 ///<param name="field">字段</param>
 ///<returns></returns>
 public void Append(EarthView.World.Core.Database.SqlField field)
 {
     EarthView_World_Core_Database_CSqlIndex_append_void_CSqlField(this.NativeObject, object.Equals(field, null) ? IntPtr.Zero : field.NativeObject);
 }