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<head>
<meta http-equiv="X-UA-Compatible" content="IE=11" />
<meta charset="UTF-8">
<title>Title</title>
<script language="JavaScript" type="text/javascript" for="CardReader" event="OnReceiveData(p1,p2)">
alert('555');
</script>
</head>
<body onload="init()">
<object style='width: 100%; height: 100%; z-index: 0' id='CardReader' name="CardReader" classid='clsid:F0A2BEC8-F8B2-11D2-8A54-0080C8EB2FFE'></object>
<input type="button" onclick="btnClick()" value="closePort">
</body>
<script type="text/javascript">
var reader=document.getElementById("CardReader");
reader.PortID="COM3";
function init() {
alert(reader.OpenPort());
}
function btnClick() {
reader.ClosePort();
}
</script>
public event _DPKCommEvents_OnReceiveDataEventHandler OnReceiveData;