private void ButtonGetGD_Click(object sender, RoutedEventArgs e)
{
this.Hide();
var GetGDWindow_instance = new GetGDWindow(this);
GetGDWindow_instance.Show();
}
// -- Consturctor, 需實作所有ICommand
public GetGDViewModel(GetGDWindow parent)
{
parentWindow = parent;
Model_Instance = new GetGDModel(this);
Do_ExtractData = new RelayCommand(ExtractData, (x) => true);
}