//</snippet308>
//<snippet309>
private bool ValidateUsingWindowsAuthentication()
{
ClientWindowsAuthenticationMembershipProvider authProvider =
System.Web.Security.Membership.Provider as
ClientWindowsAuthenticationMembershipProvider;
// Call ValidateUser and pass null values for the parameters.
// This call always returns true.
return(authProvider.ValidateUser(null, null));
}
