Close Form using x++

Close Form using x++ :

public void close()

{

    FormRun     _FormRun;

    super();

    _FormRun    = element.args().caller();

    if (_FormRun)

    _FormRun.dataSource().research();

}

void clicked()

{  

    //super();

       

    if(BOX::yesNo(strFmt("Are you sure to create PO %1 ?", PurchTable.BITLocalPO), DialogButton::No,"Create Purchase Order") == DialogButton::Yes)

        {

            element.closeOk();

        }

   

    else

    {

        element.close();

        super();

    }

}

void clicked()

{

    super();

    if (box::yesNo("Anda yakin untuk Batal ?", dialogButton::No, "Pembatalan") == dialogButton::Yes)

    {

     element.Batal();

    }

}

    if(exist)

      {

        if(BOX::yesNo("Create item PR to PO?", DialogButton::No,"Create item PR")== DialogButton::Yes)

        {

            this.createItemPO();

        }

      }