private async void Login_Click(object sender, RoutedEventArgs e)
{
CognitoHelper cognitoHelper = new CognitoHelper();
ioioSetting.All.cognitoUser = await cognitoHelper.ValidateUser("atumm", "B@y7cgmc");
Console.WriteLine(ioioSetting.All.cognitoUser.Username);
string email = string.Empty;
ioioSetting.All.cognitoUser.Attributes.TryGetValue("email", out email);
GetUserResponse r = await cognitoHelper.GetUserInfo(ioioSetting.All.cognitoUser);
Console.WriteLine(email);
}