The default control is used if you have not created SearchResultsControlToolboxItem as suggested in the post.
Here is the code that you should have inside CrateChildControls to get the Resultem
var ds =
IList items = (IList)ds;
(items.Count > 0)
var s = i.Snippet.ToString();
And it is normal that when you want to do something out of the box to write some code to get the result.
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