private async void OnAddUserButtonClick(object sender, RoutedEventArgs e)
{
AddUserDialog Dialog = new AddUserDialog();
await Dialog.ShowAsync();
if (!Dialog.Cancelled)
{
string FailReason = await NetworkManager.AddUserViewPermission(Dialog.Username);
if (FailReason != null)
{
MessageDialog Message = new MessageDialog(FailReason, "Error");
await Message.ShowAsync();
}
else
{
await UpdateList();
}
}
}
