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Error OpenCV with Windows Application - Urgent Please [closed]

asked 2013-10-16 08:34:30 -0500

Jack Chung gravatar image

updated 2013-10-16 08:54:10 -0500

Hello Guys,

I was using the OpenCV in Console Application and it was working fine, now I have to use Windows Application because I am doing a GUI to work with OpenCV, but it is showing an error.

Please guys it is urgent, I would appreciate it if someone could help me to solve that.

Thank you

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Closed for the following reason duplicate question by StevenPuttemans
close date 2013-10-17 07:00:00.050181

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I am closing this topic, since you are just spamming questions and it doesn't have a single meaning. Stick to one topic and please be patient ...

StevenPuttemans gravatar imageStevenPuttemans ( 2013-10-17 06:58:46 -0500 )edit

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answered 2013-10-16 08:48:53 -0500

berak gravatar image

updated 2013-10-16 08:50:48 -0500

you either want:

int WINAPI WinMain(HINSTANCE hinst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)

instead of

int main()

or change your application type to SUBSYSTEM:CONSOLE

( as a sidenote: your problem is as urgent as anyone else's here. "yelling" like this might even put some people off )

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How can I change the application type to SUBSYSTEM:CONSOLE? I am using Visual Studio.

Thanks for the fast answer

Jack Chung gravatar imageJack Chung ( 2013-10-16 08:55:39 -0500 )edit

linker -> system -> subsystem ( but i got only 2008 here )

actually, if you want a console window for printf style output, choose this. if you don't want to see it, choose WinMain

berak gravatar imageberak ( 2013-10-16 09:01:03 -0500 )edit

Well I have to use Windows Application because I want to do a GUI, that will choose what image I will load with OpenCV. Then I will need to use WinMain right?

Could you explain those parameters, please? I didn't understand them.

Jack Chung gravatar imageJack Chung ( 2013-10-16 09:08:56 -0500 )edit

man, you should have looked it up yourself.

again,

  • if you got SUBSYSTEM:WINDOWS, there's no console win, and you need to use WinMain
  • if you got SUBSYSTEM:CONSOLE, there's a console win, and you usually use main(), but you still can use WinMain, depending on what you want here
berak gravatar imageberak ( 2013-10-16 09:22:40 -0500 )edit

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Asked: 2013-10-16 08:34:30 -0500

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Last updated: Oct 16 '13