using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using Microsoft.PointOfService; namespace TestApplication { public partial class CoinDispenserScreen : TestApplication.DeviceScreenBase { CoinDispenser _dispenser; public CoinDispenserScreen() { InitializeComponent(); } public override void SetOpened(bool opened) { if (_dispenser == null) { _dispenser = (CoinDispenser)PosCommon; } } private void btnDispenseChange_Click(object sender, System.EventArgs e) { try { _dispenser.DispenseChange(Int32.Parse(tbDispenseChange.Text)); } catch (Exception ae) { ShowException(ae); } } } }