help making a message box popup

i am learning c++ and am working on an application that popups a messagebox when somebody presses ok or cancel

Code:

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MessageBox(NULL,"God you idiot i told you not to open it","You idiot",MB_OKCANCEL);

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do i need to add a

Code:

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function::OnOK();
function::OnCANCEL();

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because i think that is how the API does it?

Okay. It's been a while since I've posted here. I have been really busy in high school, and I have a project I'm working on. :) I'm working on a 2D engine, using SDL, for a game my friends and I are going to make.

Anyhow, here's what I believe you need:

Code:

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int nRet = MessageBox(NULL, "Message", "Title", MB_OKCANCEL);

if (nRet == MB_OK)
{
    // Process "Ok" button
    // ...
}
else if (nRet == MB_CANCEL)
{
    // Process "Cancel" button
    // ...
}

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If you're wanting to know what the user chooses, that's they answer. :D