摘要： 示例为修改多行文字的高宽比public static void ChangeMtextWidthFactor(ObjectId mtextId,double widthFactor) { if(mtextId==null ||mtextId==ObjectId.Null) return ; using (Transaction trx = ZMQCad.ApplicationServicesEx.Var.ActiveDatabase.TransactionManager.StartTransactio... 阅读全文