User input to close window

Hey guys, me again. I ran in to a wall today, before when I asked question I kinda knew how to do it. But this time I have no clue.

I'm trying to get a user input in min or milliseconds to close a window. The code I use to close a window

Code:

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hWin = FindWindow(NULL,"WINDOW NAME HERE");
    SendMessage(hWin,WM_CLOSE,(LPARAM)0,(WPARAM)0);

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The problem is that I want the user to be able to set a time when to close the window. EX in 2min...

I will be really grateful if someone could help me out OR point me to somewhere. =)

IF it is a console program you can use the Sleep function. Otherwise, you can use the SetTimer function.

Thanks for replying, its a win32 app not a console. Yeah I searched google a little and saw that api. But I know in a console app you can use cin>> to get the user input, how do I do this in a GUI?

EDIT: I just tested SetTimer and it worked! =) now I need to figure out how to get the user input =\ I guess I need to create a EditBox.