private async void Interactive_InputReceived(object sender, InputEventArgs args) { await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, delegate { if (args.ControlId == "Black") { var property = Interactive.GetControlProperty($"Image1", "backgroundImage"); property.String = "https://i.imgur.com/ryKQ6tq.jpg";// "https://tse3.mm.bing.net/th?id=OIP.6RGX1DlxvqSevMPOWizDSAHaJ6&pid=Api/file.jpg"; //Interactive.SetGroup("artists", args.ParticipantId); } if (args.ControlId == "Drawing") { Interactive.SetGroup("drawing", args.ParticipantId); } ControlId.Text = $"{args.ControlId} \n {args.ParticipantId}"; }); }