When a graphics is displayed, right clicking will bring up the Get Coordinates tool. To select a rectangular region, you can do it manually by selecting the two corners and Alt+C will copy these two points for you to use. This works fine, but you are supposed to be able to hold down the Alt while dragging a rectangle. Then you can use Alt+C to copy the corners as before. I tried three different keyboards and three different mice, but this does not work on my new version of Mathematica 10 on Windows 8. The other functionality of the Alt works fine. This might be an issue with Windows 8. Thanks in advance for any advice. (Of course I tried Num Lock and every other combination of keys.)

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    $\begingroup$ I've tried this on my Win8 PC. Rectangle selection (Alt drag) works in version 8 only, and not in 9 or 10. Path selection (simple drag) works in 8 and 9 but not in 10. Looks like a bug indeed. Could you report this to support@wolfram.com? $\endgroup$ – Sjoerd C. de Vries May 31 '15 at 18:35
  • $\begingroup$ For copying coordinates under Windows the documented keyboard combination is Ctrl+C. It works but rectangle selection (Alt+drag) does not work in version 10.1 under Win7 while works in version 8.0.4. $\endgroup$ – Alexey Popkov Jun 1 '15 at 5:26

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