!!!Universal Windows Platform Tips [Universal Windows Platform] !!!UI !メッセージボックスの表示 using Windows.UI.Popups; public async void Hoge() { var dialog = new MessageDialog("hoge"); await dialog.ShowAsync(); } !コンソールに出力 using System.Diagnostics; protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null) { Debug.WriteLine("Property changed"); this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); }