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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Sample C# Custom Action</title>
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<span class="productTitle">Deployment Tools Foundation</span><br />
<span class="topicTitle">Sample C# Custom Action</span><br />
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<span id="chickenFeet">
<a href="using.htm">Development Guide</a> >
<a href="managedcas.htm">Managed CAs</a> >
<a href="writingcas.htm">Writing CAs</a> >
<span class="nolink">C# Sample</span>
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<p>MSI custom actions are MUCH easier to write in C# than
in C++!</p><pre><font face="Consolas, Courier New"> [CustomAction]
<font color=blue>public</font> <font color=blue>static</font> ActionResult SampleCustomAction1(Session session)
{
session.Log(<font color="purple">"Hello from SampleCA1"</font>);
<font color=blue>string</font> testProp = session[<font color="purple">"SampleCATest"</font>];
<font color=blue>string</font> testProp2;
testProp2 = (<font color="blue">string</font>) session.Database.ExecuteScalar(
<font color="purple">"SELECT `Value` FROM `Property` WHERE `Property` = 'SampleCATest'"</font>);
<font color=blue>if</font>(testProp == testProp2)
{
session.Log(<font color="purple">"Simple property test passed."</font>);
<font color=blue>return</font> ActionResult.Success;
}
<font color=blue>else</font>
<font color=blue>return</font> ActionResult.Failure;
}
</font></pre>
<p>A sample CA project with two CAs is included in the
Samples\ManagedCA directory. Running the CustomActionTest project will package the CA and insert
it into a test MSI. The MSI will invoke the custom actions, but it will not install anything
since the second sample CA returns ActionResult.UserExit.
</p>
<p><br/></p>
<p><b>See also:</b></p>
<ul>
<li><a href="writingcas.htm">Writing Managed Custom Actions</a></li>
<li><a href="caconfig.htm">Specifying the Runtime Version</a></li>
<li><a href="databases.htm">Working with MSI Databases</a></li>
<li><a href="buildingcas.htm">Building Managed Custom Actions</a></li>
<li><a href="debuggingcas.htm">Debugging Managed Custom Actions</a></li>
</ul>
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