private async Task TryLogIn()
{
do
{
loginViewModel.Password?.Clear();
if (dialogPresenter.ShowModal(loginViewModel) != true)
return;
var communicationResult = await authenticationService.LogIn(loginViewModel.Username, loginViewModel.Password);
if (!communicationResult.Success)
loginViewModel.ErrorMessage = communicationResult.Message;
} while (!authenticationService.IsLoggedIn);
}