// -- constructor
public Window_GetOrder(MainWindow parent)
{
InitializeComponent();
parentWindow = parent;
this.Left = parent.Left + parent.Width;
this.Top = parent.Top;
ViewModel_Instance = new GetOrder_ViewModel(this);
this.DataContext = ViewModel_Instance;
}
// -- contructor
public GetOrder_Model(GetOrder_ViewModel parentVM)
{
this.parentVM = parentVM;
}