Reading large text files with streams in C#

Question

I\'ve got the lovely task of working out how to handle large files being loaded into our application\'s script editor (it\'s like VBA for our internal product for quick macr

Answer 1

For binary files, the fastest way of reading them I have found is this.

 MemoryMappedFile mmf = MemoryMappedFile.CreateFromFile(file);
 MemoryMappedViewStream mms = mmf.CreateViewStream();
 using (BinaryReader b = new BinaryReader(mms))
 {
 }

In my tests it's hundreds of times faster.