private async void LoginOnClick(Object sender, RoutedEventArgs e)
 {
     using (ButtonEnableWrapper wrapper = new ButtonEnableWrapper(LoginButton))
     {
         PastebinHelper.ApplyDevKey();
         if (await AuthorizationManager.TryLogInAsync(Username.Text, Password.Password))
         {
             Close();
         }
     }
 }
        public static async Task <Boolean> TryLogInAsync(String username, String password)
        {
            PastebinHelper.ApplyDevKey();
            try
            {
                CurrentUser = await Pastebin.LoginAsync(username, password);

                return(true);
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message, PastebinHelper.DefaultCaption);
                return(false);
            }
        }