How to find the path of the "Shared Documents" folder from c#?

Question

In Windows Vista, the special folder "Shared Documents" contains documents accessible by all the users in the machine. That folder was renamed to "Public Documents" in Windows 7.

How can I find its physical path from c#?

Note that Environment.GetFolderPath(Environment.SpecialFolder.xxx) doesn't have the folder I'm looking for.

Answer 1

What about this?

[DllImport("shell32.dll")]
static extern int SHGetFolderPath(IntPtr hwndOwner, int nFolder, IntPtr hToken,
   uint dwFlags, [Out] StringBuilder pszPath);

public string GetCommonDocumentsFolder()
{
    int SIDL_COMMON_DOCUMENTS = 0x002e;
    StringBuilder sb = new StringBuilder();
    SHGetFolderPath(IntPtr.Zero,SIDL_COMMON_DOCUMENTS,IntPtr.Zero,0x0000,sb);
    return SB.ToString();
}

Answer courtesy of, er..., expert-exchange that we all love to hate.

Answer 2

Path.Combine(Environment.GetEnvironmentVariable("PUBLIC"), "Documents");

Answer 3

The SpecialFolder enum has had a large, and long overdue, update in .NET 4 - one of the new additions is the CommonDocuments member.

Answer 4

Look in ShlObj.h for more CSIDLs interestingly enough SHGetFolderPath has been depricated... See http://msdn.microsoft.com/en-us/library/bb762181(VS.85).aspx