public bool CheckNewPasswordFormat(string password = null) { if (AssignFieldOnCheck && password != null) { NewPassword = password; } else { password = NewPassword; } var result = _authProvider.CheckNewPasswordFormat(password); //_newPasswordFormatMessage = Array.Find<string>(FormatMessages, p => true); _newPasswordFormatMessage = FormatMessages.FirstOrDefault(); if (IsChatty) { RaisePropertyChanged(nameof(IsNewPasswordFormatOk)); } return(result); }