protected virtual void UnLoad()
{
foreach (var kvp in _mementoHashtable)
{
if (kvp.Key.Contains(COLLECTION_INDICATOR))
{
_mementoService.UnregisterCollection((INotifyCollectionChanged)kvp.Value);
}
else
{
_mementoService.UnregisterObject((INotifyPropertyChanged)kvp.Value);
}
}
_mementoHashtable.Clear();
}
/// <summary>
/// Called when the view model has just been closed.
/// <para/>
/// This method also raises the <see cref="E:Catel.MVVM.ViewModelBase.Closed"/> event.
/// </summary>
/// <param name="result">The result to pass to the view. This will, for example, be used as <c>DialogResult</c>.</param>
protected override void OnClosed(bool?result)
{
_mementoService.UnregisterObject(this);
base.OnClosed(result);
}
/// <summary>
/// Called when the view model has just been closed.
/// <para/>
/// This method also raises the <see cref="E:Catel.MVVM.ViewModelBase.ClosedAsync"/> event.
/// </summary>
/// <param name="result">The result to pass to the view. This will, for example, be used as <c>DialogResult</c>.</param>
protected override async Task OnClosedAsync(bool?result)
{
_mementoService.UnregisterObject(this);
await base.OnClosedAsync(result);
}
