Automatically place a marker on a graph

How can I automatically place a "marker" on an XY graph? I want to highlight a few points on the graph were other events take place.
I would like to place a marker and a note at that point like "X happened here" and "Z happened here" as the chart is being generated.
The chart is exported to an image at the end and this is given to customers who are interested in when these event occurred.
Solved!
Go to Solution.

(A chart has a very special meaning in LabVIEW. It typically takes a scalar instead of an array, keeps an internal history buffer of a given size, and shows the last N points, discarding the oldest data when new points arrive. Charts cannot have cursors.)
The two examples are called:
plot images.vi
Graph plot area Images.vi
They are easiest to find if you search for the keyowrd "image" in the example finder. (Yes the keyword search sucks).
For more examples, look at the links here, here, or here, for example
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