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cv::waitKey() upper-/lowercase difference

Hi! Is there a simple method to determine whether the Shift key was pressed together with another one? For example, I want to do different actions on 'u' and 'U'.

cv::waitKey() upper-/lowercase difference

Hi! Is there a simple method to determine whether the Shift key was pressed together with another one? For example, I want to do different actions on 'u' and 'U'.

UPD: cv::getBuildInformation() output