public KeyChangerPage()
{
InitializeComponent();
RWFile.ReadFile();
ItemList.ItemsSource = KeyChangeManager.Instance.KeyChangeItemCollection;
Window mainwin = Application.Current.MainWindow;
ItemList.Height = mainwin.ActualHeight - 180;
ItemList.Width = mainwin.ActualWidth - 100;
}
private void Button_Save(object sender, RoutedEventArgs e)
{
RWFile.WriteFile();
}