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VB.Net Tutorial/Development/SerialPort - История изменений
2026-04-05T22:00:10Z
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http://www.vbex.ru/index.php?title=VB.Net_Tutorial/Development/SerialPort&diff=2849&oldid=prev
в 16:40, 26 мая 2010
2010-05-26T16:40:30Z
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Admin: 1 версия
2010-05-26T12:53:33Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==My.Computer.Ports.SerialPortNames==<br />
<br />
<br />
<br />
<source lang="vbnet">Option Strict On<br />
Imports System.Collections.ObjectModel<br />
Public Module PortsTest<br />
Public Sub Main()<br />
Dim ports As ReadOnlyCollection(Of String) = _<br />
My.ruputer.Ports.SerialPortNames<br />
For Each port As String In ports<br />
Console.WriteLine(port)<br />
Next<br />
End Sub<br />
End Module</source><br />
<pre class=codeResult>COM3</pre><br />
<br />
==Write to Serial Port==<br />
<br />
<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim com1Port As IO.Ports.SerialPort = Nothing<br />
Try<br />
com1Port = My.ruputer.Ports.OpenSerialPort("COM1")<br />
com1Port.WriteLine("serialData")<br />
com1Port.Write("serialData")<br />
com1Port.Close()<br />
Catch ex As Exception<br />
Console.WriteLine(ex.Message)<br />
Finally<br />
If (com1Port IsNot Nothing) Then com1Port.Dispose()<br />
com1Port = Nothing<br />
End Try<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>The port "COM1" does not exist.</pre></div>
Admin