Based on my understanding, you want to hook up the LostFocus event of a
TextBox in a direct way. If I'm off base, please feel free to let me know.
For some reason, the LostFocus event of the TextBox class is not available
in the Properties window's Events tab. This design time behavior should be
So there's no direct way to hook up the LostFocus event of the TextBox. We
need to do this by code. Nevertheless, the IntelliSense feature in VS IDE
makes it easy and convenient to hook up an event by code.
Alternatively, you may use the Leave event of the TextBox class , which is
available in the Properties window.
Hope this helps.
If you have any question, please feel free to let me know.
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