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来自「以电子书的形式收集了VB一些常见问题解决方法,可以很方便的查找自己需要解决的问题」· HTML 代码 · 共 23 行
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<h1>用InternetGetConnectedState API function</h1>
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Posted by <a href="mailto:MoMoM-1703@email.esunbank.com.tw">默默</a> on June 16, 1999 at 11:53:45:<p>
In Reply to: <a href="14291.html">请教各位高手前辈,如何利用VB写出可侦测网路断线的程式?</a> posted by 鸦蛋 on June 16, 1999 at 01:26:21:<p>
Option Explicit<p>Public Declare Function InternetGetConnectedState _<br> Lib "wininet.dll" (ByRef lpdwFlags As Long, _<br> ByVal dwReserved As Long) As Long<p>Public Const INTERNET_CONNECTION_LAN As Long = &H2<p>Public Function IsNetConnectOnline() As Boolean<p> IsNetConnectOnline = InternetGetConnectedState(0&, 0&)<br> <br>End Function<p>Public Function IsNetConnectViaLAN() As Boolean<p> Dim dwflags As Long<br> <br> Call InternetGetConnectedState(dwflags, 0&)<br> IsNetConnectViaLAN = dwflags And INTERNET_CONNECTION_LAN<br> <br>End Function<p>'把以上的东东放进bas里, 再去呼叫它们就可以了 :)
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