[ExtensionOf(formStr(CustInvoiceJournal))]
final class GoCustInvoiceJourForm_Extension
{
    public const int            listCreateRoot = 1;

    public void init()
    {
        next init();

        FormGridControl invoiceIDControl = this.control(this.controlid("CustInvoiceJour_InvoiceNum_Grid"));

        if(invoiceIDControl)
        {
            this.controlMethodOverload(true);
            this.controlMethodOverloadObject(this);

            invoiceIDControl.registerOverrideMethod(methodstr(FormGridControl, selectedMenuOption),
                formMethodStr(CustInvoiceJournal, selectedMenuOptionNew));
            invoiceIDControl.registerOverrideMethod(methodStr(FormGridControl, getContextMenuOptions),
                formMethodStr(CustInvoiceJournal, getContextMenuOptionsNew));
        }
    }

    public str getContextMenuOptionsNew(FormStringControl _control)
    {
        ContextMenu     menu        = new ContextMenu();
        List            menuOptions = new List(Types::Class);

        info("I'm in");

        ContextMenuOption contextMenu_changeID = ContextMenuOption::Create('testas', listCreateRoot);
        menuOptions.addEnd(contextMenu_changeID);

        menu.ContextMenuOptions(menuOptions);

        _control.getContextMenuOptions();

        return menu.Serialize();
    }

    /// <summary>
    /// Define new override on the control for processing the user selection
    /// </summary>
    public void selectedMenuOptionNew(int selectedOption, FormStringControl _control)
    {
        switch (selectedOption)
        {
            case -1:
                break;
            case listCreateRoot:
                info('testas');
                break;
            default:
                break;
        }
    }
}