c# - How to check whether 2 DirectoryInfo objects are pointing to the same directory?

Question

I have 2 DirectoryInfo objects and want to check if they are pointing to the same directory. Besides comparing their Fullname, are there any other better ways to do this? Please disregard the case of links.

Here's what I have.

DirectoryInfo di1 = new DirectoryInfo(@"c:emp");
DirectoryInfo di2 = new DirectoryInfo(@"C:TEMP");

if (di1.FullName.ToUpperInvariant() == di2.FullName.ToUpperInvariant())
{ // they are the same
   ...   
}

Thanks.

Answer 1

You can use Uri objects instead. However, your Uri objects must point to a "file" inside these directories. That file doesn't actually have to exist.

    private void CompareStrings()
    {
        string path1 = @"c:est
ootpath";
        string path2 = @"C:TEST..TESTROOTPATH";
        string path3 = @"C:TeStRoOtPaTh";

        string file1 = Path.Combine(path1, "log.txt");
        string file2 = Path.Combine(path2, "log.txt");
        string file3 = Path.Combine(path3, "log.txt");

        Uri u1 = new Uri(file1);
        Uri u2 = new Uri(file2);
        Uri u3 = new Uri(file3);

        Trace.WriteLine(string.Format("u1 == u2 ? {0}", u1 == u2));
        Trace.WriteLine(string.Format("u2 == u3 ? {0}", u2 == u3));

    }

This will print out:

u1 == u2 ? True
u2 == u3 ? True