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<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Dim SerialPort1 As New System.IO.Ports.SerialPort()
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Me.SerialPort1.PortName = "COM1"
If (Not Me.SerialPort1.IsOpen) Then
Me.SerialPort1.Open()
End If
Me.SerialPort1.Write("Hello World")
Me.SerialPort1.Close()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
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