public SearchProgressForm(Searcher searcher)
{
if (searcher == null) throw new ArgumentNullException("searcher");
_searcher = searcher;
InitializeComponent();
SubscribeToSearcherEvents();
Disposed += SearchProgressForm_Disposed;
}
public ProgressHandler(Searcher parent)
{
if (parent == null) throw new ArgumentNullException("parent");
_parent = parent;
}