It can be scrolled at design time in .NET Framework, but not in .NET 6:
Hi, Al,
Indeed, this is basic functionality. I have escalated this item to our developers. We will do our best to introduce a fix in the upcoming releases. Make sure that you cast your vote for the item in order to increase its priority. The more votes an item gathers, the higher its priority becomes.
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Regards,
Dess | Tech Support Engineer, Principal
Progress Telerik