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	<title>RPC HELP TCCOWRPCBroker WasUserDefined Example - Revision history</title>
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	<updated>2026-05-11T01:03:12Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://vistapedia.com/index.php?title=RPC_HELP_TCCOWRPCBroker_WasUserDefined_Example&amp;diff=16950&amp;oldid=prev</id>
		<title>Kdtop: Created page with &quot; RPC Broker Help Home &lt;h2&gt;WasUserDefined Example&lt;/h2&gt; In the event handler for the Commit event of the ContextorControl, developers can check whether or no...&quot;</title>
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		<updated>2015-07-08T18:14:32Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/index.php/RPC_Broker_Help&quot; title=&quot;RPC Broker Help&quot;&gt; RPC Broker Help Home&lt;/a&gt; &amp;lt;h2&amp;gt;WasUserDefined Example&amp;lt;/h2&amp;gt; In the event handler for the Commit event of the ContextorControl, developers can check whether or no...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[RPC_Broker_Help| RPC Broker Help Home]]&lt;br /&gt;
&amp;lt;h2&amp;gt;WasUserDefined Example&amp;lt;/h2&amp;gt;&lt;br /&gt;
In the event handler for the Commit event of the ContextorControl, developers can check whether or not the user was previously defined, and is now undefined or null. In this case, developers would want to do any necessary processing, then halt.&lt;br /&gt;
	&lt;br /&gt;
    &amp;#039;&amp;#039;&amp;#039;Procedure&amp;#039;&amp;#039;&amp;#039; TForm1.CommitHandler(Sender: TObject)&lt;br /&gt;
    &amp;#039;&amp;#039;&amp;#039;begin&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
      &amp;#039;&amp;#039;&amp;#039;with&amp;#039;&amp;#039;&amp;#039; CCOWRPCBroker1 &amp;#039;&amp;#039;&amp;#039;do begin&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
        &amp;#039;&amp;#039;&amp;#039;if&amp;#039;&amp;#039;&amp;#039; WasUserDefined and IsUserCleared &amp;#039;&amp;#039;&amp;#039;then begin&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
          // do any necessary processing before halting&lt;br /&gt;
          halt;&lt;br /&gt;
        &amp;#039;&amp;#039;&amp;#039;end;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
      &amp;#039;&amp;#039;&amp;#039;end;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
    &amp;#039;&amp;#039;&amp;#039;end;&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;</summary>
		<author><name>Kdtop</name></author>
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