You could build a comprehensible app with very natural handling of UI events, mostly by just clicking in designer and setting some properties visually, in like

You could build a comprehensible app with very natural handling of UI events, mostly by just clicking in designer and setting some properties visually, in like an hour, what in Visual Studio took weeks. It was such a time saver and productivity boost for UI and we still don't have anything mainstream that approaches these levels for e.g. web or Python.