public HttpResponseMessage CheckUsername(string username) { int responseVal = 0; string responseText = "OK"; bool error = false; //Thread.Sleep(3000); #region Parameters Check if (string.IsNullOrWhiteSpace(username)) { responseVal = 3; responseText = HomeM8.GetWarningString(3).Replace("#Parametre#", nameof(username)); error = true; } #endregion #region Main Process if (!error) { if (!HomeM8.UsernameValid(username)) { responseVal = 7; responseText = HomeM8.GetWarningString(7); error = true; } } #endregion return(new HttpResponseMessage() { Content = new StringContent(JsonConvert.SerializeObject(new { responseVal, responseText })) }); }