private void HandleValueChange(object sender, NMF.Expressions.ValueChangedEventArgs eventArgs)
{
System.Collections.Specialized.NotifyCollectionChangedEventArgs collectionEvent = null;
if ((eventArgs.NewValue != null))
{
if ((eventArgs.OldValue != null))
{
collectionEvent = new System.Collections.Specialized.NotifyCollectionChangedEventArgs(System.Collections.Specialized.NotifyCollectionChangedAction.Replace, eventArgs.NewValue, eventArgs.OldValue);
}
else
{
collectionEvent = new System.Collections.Specialized.NotifyCollectionChangedEventArgs(System.Collections.Specialized.NotifyCollectionChangedAction.Add, eventArgs.NewValue);
}
}
else
{
collectionEvent = new System.Collections.Specialized.NotifyCollectionChangedEventArgs(System.Collections.Specialized.NotifyCollectionChangedAction.Remove, eventArgs.OldValue);
}
this.OnCollectionChanged(collectionEvent);
}
private void Element_ParentChanged(object sender, ValueChangedEventArgs e)
{
if (Child != null)
{
Child.Detach();
}
RenewChild();
}
protected virtual void OnValueChanged(ValueChangedEventArgs e)
{
ValueChanged?.Invoke(this, e);
}