output?

/*
 *  call-seq:
 *     WIN32OLE#output?
 * 
 *  Returns true if argument is output.
 *     tobj = WIN32OLE_TYPE.new('Microsoft Internet Controls', 'DWebBrowserEvents')
 *     method = WIN32OLE_METHOD.new(tobj, 'NewWindow')
 *     method.params.each do |param|
 *       puts "#{param.name} #{param.output?}"
 *     end
 *
 *     The result of above script is following:
 *       URL false
 *       Flags false
 *       TargetFrameName false
 *       PostData false
 *       Headers false
 *       Processed true
 */
static VALUE foleparam_output(self)
    VALUE self;
{
    struct oleparamdata *pparam;
    Data_Get_Struct(self, struct oleparamdata, pparam);
    return ole_param_flag_mask(pparam->pTypeInfo, pparam->method_index, 
                               pparam->index, PARAMFLAG_FOUT);
}