private void LogOutButton_Click(object sender, RoutedEventArgs e)
{
MessagesList.LoadMoreItemsAsync().Cancel();
MicrosoftGraphService.Instance.Logout();
MessagesList.Visibility = Visibility.Collapsed;
MessagesBox.Visibility = Visibility.Collapsed;
LogOutButton.Visibility = Visibility.Collapsed;
UserBox.Visibility = Visibility.Collapsed;
ClientIdBox.Visibility = Visibility.Visible;
ConnectButton.Visibility = Visibility.Visible;
}
