/// <summary> /// 获取图层下的快参照 /// </summary> /// <param name="type"></param> /// <returns></returns> public static List <BlockReference> GetBlockReferenceByLayerType(string layerName) { List <BlockReference> references = new List <BlockReference>(); Database db = Application.DocumentManager.MdiActiveDocument.Database; BlockReference _br = null; Transaction trans = null; var list = MethodCommand.GetObjectIdsAtLayer(layerName); using (trans = db.TransactionManager.StartTransaction()) { if (list != null && list.Count > 0) { foreach (ObjectId id in list) { _br = trans.GetObject(id, OpenMode.ForRead) as BlockReference; if (_br != null) { references.Add(_br); } } } return(references); } }