_PPLTaskHandle   2433 modules/videoio/src/ppltasks_winrt.hpp     struct _PPLTaskHandle : _BaseTaskHandle
_PPLTaskHandle   4826 modules/videoio/src/ppltasks_winrt.hpp         _InitialTaskHandle(const typename details::_Task_ptr<_ReturnType>::_Type & _TaskImpl, const _Function & _Function) : _M_function(_Function), _PPLTaskHandle(_TaskImpl)