Search found 2 matches

by Dwedit
Sat Aug 06, 2022 8:00 pm
Forum: wimlib discussion
Topic: Replicating the effect of Compact.exe?
Replies: 3
Views: 1164

Re: Replicating the effect of Compact.exe?

Thank you very much. I was able to use that code as reference to write C# code to add or remove compression from files. I used to call Compact.exe, but now I can skip that part. My project is a C# program where you give it a directory, and it recursively compresses files, but first checks if the fil...
by Dwedit
Tue Jul 26, 2022 6:40 am
Forum: wimlib discussion
Topic: Replicating the effect of Compact.exe?
Replies: 3
Views: 1164

Replicating the effect of Compact.exe?

Is it known how to replicate the effect of Compact.exe, and cause LZX compression to be applied to files?

I was looking at what Compact.exe did, but only really noticed two calls to DeviceIoControl, one with FSCTL_GET_EXTERNAL_BACKING and one with FSCTL_SET_EXTERNAL_BACKING.