/// <inheritdoc/>
protected override void OnCancelEdit()
{
foreach (var label in _added)
{
CustomLabels.Remove(label);
_labelService.RemoveCustomTextLabel(label);
}
foreach (var label in _removed)
{
CustomLabels.Add(label);
_labelService.AddCustomTextLabel(label);
}
_added.Clear();
_removed.Clear();
}