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Saving State in a WindowButtonMotionFcn Callback

Posted by Stuart McGarrity,

I need to display some text information when I hover over the nodes in my graph plot. I’m going to use a text object, updated via the WindowButtonMotionFcn property of the figure, but I need to be able to remember its state so I can turn it on and off. I’m going to try and use a nested function to store the text object in the parent workspace of the callback.

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