if (base.View.OpenParameter.CreateFrom == CreateFrom.Copy || base.View.OpenParameter.CreateFrom == CreateFrom.Draw || base.View.OpenParameter.CreateFrom == CreateFrom.Push)
base.View.OpenParameter.CreateFrom打开历史单据的值是default
base.View.OpenParameter.CreateFrom打开历史单据的值是default
原文：https://www.cnblogs.com/zouhuaxin/p/14950712.html