private void AddItems()
{
AddItem addItem = new AddItem();
addItem.Owner = this;
addItem.Show();
}
private void Add_Items(object sender, RoutedEventArgs e)
{
AddItem addItem = new AddItem();
addItem.Owner = this;
addItem.Show();
addItem.Closing += AddItem_Closed;
}
public static void OpenAddItemWindow(Window window)
{
AddItem add = new AddItem();
add.Owner = window;
add.Show();
add.Owner = null;
}