You can use both Ctrl and Shift for selecting multiple report items in the designer. As for undo for moving those items - this works correctly on our end (see attached video).
All the best,
Steve
the Telerik team
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For some reason, VS2008 stopped allowing undo, then later it started working again.
I suppose Visual Studio is also responsible for the selection keys. It's just that I sometimes find it hard to either remove one item from a selection on a Telerik report, or to designate which selected item is going to become the 'master' against which others will be aligned, for example.