C#保存打开文件历史记录实例.很多软件都有这个功能，于是自己也写了一个。虽然感觉不如大型软件做的那么完美，但必竟功能是实现了，给想要这种功能的C#爱好者一个思路罢。-C# open file to save an instance of the historical record. A lot of the software have this feature, so has written one. Although the feeling of large-scale software to