C# Signature:

[DllImport("rapi.dll", CharSet=CharSet.Unicode)]
public static extern bool CeCreateDirectory(
    string lpPathName,
    IntPtr lpSecurityAttributes);

User-Defined Types:

[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_ATTRIBUTES
{
    public long nLength;
    public long lpSecurityDescriptor;
    public long bInheritHandle;
}

Notes:

function info on msdn at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceactsy/html/cerefCeCreateDirectoryRAPI.asp

Tips & Tricks:

Please add some!

Sample Code:

CeCreateDirectory("\\test", System.IntPtr.Zero);

Alternative Managed API: