本源码是C#中有关文件合并和文件分割的程序，采用线程编写，可容易分割大到几G的文件而不会卡死，合并是将小文件合并为一个完整的文件-The source is the C# files in the merge and split the documents the procedures, the use of threading can be easily split large files of several G will not get stuck, the merger is full