Add an advanced context help mode that causes brings up a window that shows the block diagram of Sub VI when you hover over it with a mouse. The new window is not editable unless you click something. Within this window if you hover over a different Sub VI its block diagram will then open and so on. This allows you to explore the VI Hierarchy a different way without opening several VIs in the chain.
It is also promotes the lack of need for block diagram zoom if your code fits in a single screen, providing quick to access all code without opening thousands of window.
This could also be used from VI Hierarchy window.
The motivation is to open less windows but quickly see what is contained in the SubVI.
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