private void GitHubDialogWindowControl_OnIsVisibleChanged(object sender, DependencyPropertyChangedEventArgs args)
        {
            if ((bool)args.NewValue == false)
            {
                return;
            }

            SettingsManager       settingsManager   = new ShellSettingsManager(ServiceProvider.GlobalProvider);
            WritableSettingsStore userSettingsStore = settingsManager.GetWritableSettingsStore(SettingsScope.UserSettings);

            if (!userSettingsStore.CollectionExists("XamlToolkit"))
            {
                return;
            }

            var directory = userSettingsStore.GetString("XamlToolkit", "Directory");

            if (string.IsNullOrWhiteSpace(directory))
            {
                return;
            }

            try
            {
                GitHubDialogViewModel.UpdateDirectory(directory);
                GitHubDialogViewModel.Run(Path.Combine(directory, AppSettings.Default.ExePath));
                Window.GetWindow(this).Close();
            }
            catch (Exception)
            {
                GitHubDialogViewModel.SaveDirectorySettings("");
            }
        }
        private void Browse_OnClick(object sender, RoutedEventArgs e)
        {
            var op = new OpenFileDialog
            {
                Title  = "Select Xaml Toolkit",
                Filter = "Xaml Toolkit (MaterialDesignDemo.exe)|MaterialDesignDemo.exe"
            };

            if (op.ShowDialog() != true || string.IsNullOrWhiteSpace(op.FileName))
            {
                return;
            }

            FilePath.Text = op.FileName;
            GitHubDialogViewModel.SaveDirectorySettings(GitHubDialogViewModel.GetDirectoryNameFromExe(op.FileName));
        }
        private void DownloadOnClick(object sender, RoutedEventArgs e)
        {
            var appSettings = new AppSettings();

            using (var fbd = new FolderBrowserDialog())
            {
                if (fbd.ShowDialog() != DialogResult.OK || string.IsNullOrWhiteSpace(fbd.SelectedPath))
                {
                    return;
                }

                GitHubDialogViewModel.Download(Path.Combine(fbd.SelectedPath, "MaterialDesignInXamlToolkit"));
                GitHubDialogViewModel.BuildProject(fbd.SelectedPath);

                FilePath.Text = Path.Combine(fbd.SelectedPath, appSettings.ExePath);
                GitHubDialogViewModel.SaveDirectorySettings(fbd.SelectedPath);
            }
        }