/// <summary>
/// Called when a diagram item has been selected.
/// </summary>
/// <param name="arg"></param>
void OnSelectionSelected(NSelectEventArgs <NDiagramItem> arg)
{
NShape shape = arg.Item as NShape;
if (shape == null)
{
return;
}
// create the shape move slaves property editor
m_PropertyEditorHolder.Content = NDesigner.GetDesigner(shape).CreatePropertyEditor(shape, NShape.MoveSlavesProperty);
// subscribe for move slaves property changes.
shape.AddEventHandler(NShape.MoveSlavesProperty.ValueChangedEvent, new NEventHandler <NValueChangeEventArgs>(OnMoveSlavesPropertyChanged));
// highlight the shape current slaves
HighlightSlaves(shape);
}
