ChatterBox.Client.Win8dot1.App.ShowMessageForMissingLockScreen C# (CSharp) Method

        private async void ShowMessageForMissingLockScreen()
        {
            var msgDialog = new MessageDialog("Please add ChatterBox application to Lock Screen (PC Settings -> PC and devices -> Lock screen -> Lock screen apps)",
                                                            "Need lock screen presence");
            msgDialog.Commands.Add(new UICommand("OK", (cmd) => Current.Exit()) { Id = 0 });
            msgDialog.DefaultCommandIndex = 0;
            msgDialog.CancelCommandIndex = 0;
            await msgDialog.ShowAsync();
        }