@brief Send a ChangeProperty request for _NET_WORKAREA
_NET_WORKAREA, x, y, width, height CARDINAL[][4]/32
@param ewmh The per-screen EWMH information
@param screen_nbr The screen number
@param list_len The number of desktops workareas
@param list The desktops workareas
@return Cookie associated with the ChangeProperty _NET_WORKAREA request
@brief Send a ChangeProperty request for _NET_WORKAREA
_NET_WORKAREA, x, y, width, height CARDINAL[][4]/32
@param ewmh The per-screen EWMH information @param screen_nbr The screen number @param list_len The number of desktops workareas @param list The desktops workareas @return Cookie associated with the ChangeProperty _NET_WORKAREA request