protected virtual void OnSearchStart(SearchStartEventArgs args)
{
if (SearchStart != null)
{
SearchStart(this, args);
}
}
public virtual void Search()
{
isSearchingCore = true;
if (Criteria.Operands.Contains(EmptyCollectionCriteria))
{
Criteria.Operands.Remove(EmptyCollectionCriteria);
}
SearchStartEventArgs args = new SearchStartEventArgs(Criteria);
OnSearchStart(args);
if (!args.Cancel)
{
searchResultsCore.SuspendChangedEvents();
searchResultsCore.Criteria = args.Criteria;
searchResultsCore.LoadAsync(LoadSearchResultsCallback);
}
}