The problem is that when the chart window does not have focus, the crosshair cursor still moves with the real cursor (good -- do not change that), but the Data Box does NOT get updated to show what is under the cursor (bad -- please fix that).
There are a couple of problems with the way things are now.
- It is misleading to have what is in the data box not match what is under the cursor
- Giving the chart window focus (so the Data Box will track the cursor) triggers re-calculation.
- I'm not sure why -- seems like a waste
- This is a real problem when debugging, because it means new output to the output window. That makes it hard to go back and forth between the output window and verifying the real data on the chart.
--EV

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