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2017-02-04 07:17:34 -0500 commented answer Adding Qt backend support to already deployed application: rebuild is needed or replacing opencv_world3xx.dll suffices?

Thank you, indeed I've already built OpenCV in both "flavors"

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2017-02-02 02:35:12 -0500 asked a question Adding Qt backend support to already deployed application: rebuild is needed or replacing opencv_world3xx.dll suffices?

Hello.

Let's say I already deployed a C++ Windows application with its companion opencv_world320.dll which was built without Qt option.

Now user would like to have all Qt backend facilities: in addition to replace the DLL with the "Qt enabled" version, does my application need ALSO to be rebuilt against the opencv_world320.lib created with the "Qt enabled" DLL?