Emulate waiting on File.Open in C# when file is locked

Question

I have, essentially, the same problem as this poster, but in C#: Waiting until a file is available for reading with Win32

More information: we have code that calls <

Answer 1

You can call Marshal.GetHRForException() within the catch clause to get the error code. No need for reflection:

using System.Runtime.InteropServices;

if (Marshal.GetHRForException(e) == ERROR_SHARING_VIOLATION)
    ....

Answer 2

Your best bet is using reflection unfortunately. Of course, since you sleep for 1sec between attempts, the performance costs will most likely go unnoticed.