private bool IsValidPassword(string userName, string password)
{
NativeMethods.SafeTokenHandle token;
string[] udn = userName.Split('\\');
string domain = udn.Length == 2 ? udn[0] : null;
string user = udn.Length == 2 ? udn[1] : udn[0];
try
{
if (NativeMethods.LogonUser(user, domain, password, 3, 0, out token) != 0)
{
return(true);
}
}
catch { }
return(false);
}
