private void getCashDrawerStatusButton_Click(object sender, EventArgs e) { // TODO: Add your control notification handler code here long lResult = LKPrint.DrawerSts(); switch (lResult) { case LKPrint.LK_CD_STS_CLOSED: MessageBox.Show("Cash Drawer Closed", "Cash Drawer Status", MessageBoxButtons.OK); break; case LKPrint.LK_CD_STS_OPENED: MessageBox.Show("Cash Drawer Opened", "Cash Drawer Status", MessageBoxButtons.OK); break; } }