<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Feststellen ob Programm schon läuft]]></title><description><![CDATA[<p>Hallo,</p>
<p>wie kann ich feststellen ob das Programm was gerade gestartet wird schon läuft?</p>
<p>Danke</p>
]]></description><link>https://www.c-plusplus.net/forum/topic/213945/feststellen-ob-programm-schon-läuft</link><generator>RSS for Node</generator><lastBuildDate>Sat, 18 Apr 2026 09:52:44 GMT</lastBuildDate><atom:link href="https://www.c-plusplus.net/forum/topic/213945.rss" rel="self" type="application/rss+xml"/><pubDate>Fri, 23 May 2008 18:40:15 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to Feststellen ob Programm schon läuft on Fri, 23 May 2008 18:40:15 GMT]]></title><description><![CDATA[<p>Hallo,</p>
<p>wie kann ich feststellen ob das Programm was gerade gestartet wird schon läuft?</p>
<p>Danke</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1515337</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1515337</guid><dc:creator><![CDATA[hermes]]></dc:creator><pubDate>Fri, 23 May 2008 18:40:15 GMT</pubDate></item><item><title><![CDATA[Reply to Feststellen ob Programm schon läuft on Fri, 23 May 2008 18:44:07 GMT]]></title><description><![CDATA[<p>Stichwort Mutex, danach hier im Froum suchen.</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1515339</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1515339</guid><dc:creator><![CDATA[dust]]></dc:creator><pubDate>Fri, 23 May 2008 18:44:07 GMT</pubDate></item><item><title><![CDATA[Reply to Feststellen ob Programm schon läuft on Fri, 23 May 2008 19:01:55 GMT]]></title><description><![CDATA[<p><a href="http://www.c-plusplus.net/forum/viewtopic-var-t-is-210705.html" rel="nofollow">http://www.c-plusplus.net/forum/viewtopic-var-t-is-210705.html</a></p>
<p>Danke Dir</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1515344</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1515344</guid><dc:creator><![CDATA[hermes]]></dc:creator><pubDate>Fri, 23 May 2008 19:01:55 GMT</pubDate></item><item><title><![CDATA[Reply to Feststellen ob Programm schon läuft on Fri, 23 May 2008 19:28:04 GMT]]></title><description><![CDATA[<pre><code class="language-cpp">void __fastcall TForm1::FormShow(TObject *Sender)
{
	CreateMutex( NULL, FALSE,&quot;MYAPPNAME&quot;);
	if((GetLastError() == ERROR_ALREADY_EXISTS) || (GetLastError() == ERROR_ACCESS_DENIED))
     {
     	Application-&gt;MessageBoxA(&quot;PRG RUNS&quot;,&quot;ERROR&quot;,MB_OK);
     	Close();
	}
}
</code></pre>
<p>So gehts. <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f642.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--slightly_smiling_face"
      title=":)"
      alt="🙂"
    /></p>
]]></description><link>https://www.c-plusplus.net/forum/post/1515349</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1515349</guid><dc:creator><![CDATA[hermes]]></dc:creator><pubDate>Fri, 23 May 2008 19:28:04 GMT</pubDate></item></channel></rss>