// Create a data reference which we will use to create our movie. In this case,

        // we'll construct a URL data reference. The URL data reference

        // is simply a handle whose data is a URL describing a movie.

        dataRef = NewHandleClear(StrLength(url) + 1);

        CheckError(MemError(), "NewHandleClear error");

        BlockMoveData(url, *dataRef, StrLength(url) + 1);