I know this has been answered for other suites, but I can't find a suitable solution for WinForms.
In a hierarchical GridView, the expand arrow is shown for every entry, whether there is a child entry or not.
I want the icon only for entries with children, which is what users expect.
Please refer to the following help article which is quite useful on this topic:
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Dess | Tech Support Engineer, Principal
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