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Home/ Questions/Q 6553435
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T12:34:53+00:00 2026-05-25T12:34:53+00:00

I want to convert this nb.FormClosed += (s, ex) => (overriding OnClose form method)

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I want to convert this

nb.FormClosed += (s, ex) =>
(overriding OnClose form method) 

to C++ CLI. I was trying something like .override but can’t find correct C++CLI variant of it.

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  1. Editorial Team
    Editorial Team
    2026-05-25T12:34:53+00:00Added an answer on May 25, 2026 at 12:34 pm

    That doesn’t override OnClose. That adds an event listener to the FormClosed event.

    C++/CLI doesn’t support lambda expressions. You’ll need to subscribe with a real method. You’ll also need to initialize the delegate instance explicitly. Here’s the basic syntax:

    nb->FormClosed += gcnew FormClosedEventHandler(this, &ClassName::MyCloseHandler)
    
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