/**
     * Set flag
     * 
     * @param flag
     */
    public void setFlag ( int flag ) {
        this.flags |= flag;
    }


    /**
     * 
     * @return result exception, if the call failed
     */
    public DcerpcException getResult () {
        if ( this.result != 0 )
            return new DcerpcException(this.result);
        return null;
    }


    void encode_header ( NdrBuffer buf ) {