private async void Ping(object sender, EventArgs e) { string response = await _connectionService.GetIncomingConnections(YourId.Text); if (string.IsNullOrEmpty(response)) { return; } var result = System.Windows.MessageBox.Show("Incoming screenshot. Do you want to look?", "Screenshot", MessageBoxButton.YesNo, MessageBoxImage.Information ); if (result.ToString() == "Yes") { Uri uri = _connectionService.GetUrlFromResponse(response); ShowScreenshot(uri); } }