/// <summary>
/// Provides a deterministic way to create the ListGRNViewModel property.
/// </summary>
public static void CreateListGRNViewModel()
{
if (_listGRNViewModel == null)
{
_listGRNViewModel = new ListGRNViewModel();
}
}
/// <summary>
/// Provides a deterministic way to delete the ListGRNViewModel property.
/// </summary>
public static void ClearListGRNViewModel()
{
_listGRNViewModel.Cleanup();
_listGRNViewModel = null;
}
