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Attach trackbar

asked 2012-09-27 07:01:43 -0500

Zarko gravatar image

updated 2012-09-27 07:04:22 -0500

Is it possible to attach the trackbar to the some MFC window. To attach to the window that is not created with the "cvNamedWindow". If I have some MFC window ( derived from CWnd ) can i attach the trackbar using the cvCreateTrackbar to that window. I`ve tried to get name of the existing mfc window like this:

const char * sWndName = cvGetWindowName(ptrToMfcWND->GetSafeHWND()) cvCreateTackbar("Trackbar", sWndName, &nVal, 255, trackbarCallback);

This is not working. cvGetWindowName return empty pointer.

Is there any other way ?

Z

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answered 2012-09-27 07:40:53 -0500

Vladislav Vinogradov gravatar image

cvGetWindowName and cvCreateTackbar works only with windows created by OpenCV via cvNamedWindow/cvShowImage.

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Asked: 2012-09-27 07:01:43 -0500

Seen: 391 times

Last updated: Sep 27 '12