protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);

            ViewModel.CommentText = string.Empty;

            await ViewModel.Load((e.Parameter as Tuple <Repository, PullRequest>));

            CommentsPivot.SelectedItem = CommentsPivot.Items[0];
        }
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);

            ViewModel.CommentText = string.Empty;

            if (e.NavigationMode != NavigationMode.Back)
            {
                if (ViewModel.Comments != null)
                {
                    ViewModel.Comments.Clear();
                }

                ConfigureStateSymbol((e.Parameter as Tuple <Repository, PullRequest>).Item2);
                await ViewModel.Load((e.Parameter as Tuple <Repository, PullRequest>));

                CommentsPivot.SelectedItem = CommentsPivot.Items[0];
            }
        }
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);

            Messenger.Default.Send(new GlobalHelper.SetHeaderTextMessageType {
                PageName = "Pull Request"
            });

            ViewModel.CommentText = string.Empty;

            if (e.NavigationMode != NavigationMode.Back)
            {
                if (ViewModel.Comments != null)
                {
                    ViewModel.Comments.Clear();
                }

                ConfigureStateSymbol((e.Parameter as Tuple <Repository, PullRequest>).Item2);
                await ViewModel.Load((e.Parameter as Tuple <Repository, PullRequest>));
            }
        }