I am having a heck of time trying get my mind wrapped around the way to create
and use a custom action in my C# Wix Project in Visual Studio 2013.
I want to be able to open a specified XML file and return an attribute from a
specified key and then use that to initialized a property in the installer and
display it in the dialog. Then when installer is run it will write the value
to a target XML file to the same key and attribute. In My case I have a
MAC_ID Property that is in a UI text box that I want to initialize from a XML
file attribute and then write to a new XML file during the install. The write
is pretty straightforward since it is built into WIx. But I can't get the read
working.
I created this Custom Action
public class CustomActions
{
[CustomAction]
public static ActionResult ReadXmlValue(Session session)
{
string fileName = session.CustomActionData["FileName"];
string xmlnode = session.CustomActionData["Node"];
string key = session.CustomActionData["Key"];
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(fileName);
if (xmlDoc.DocumentElement != null)
{
XmlNodeList nodeList =
xmlDoc.DocumentElement.SelectNodes(xmlnode);
if (nodeList != null)
foreach (XmlNode node in nodeList)
{
var selectSingleNode = node.SelectSingleNode(key);
if (selectSingleNode != null) session["Value"] =
selectSingleNode.InnerText;
}
}
return ActionResult.Success;
}
}
My WXS script looks like this
<Property Id="MAC_ID" Secure="yes" Value="0"/>
<Property Id="MACIDTemplate">
<![CDATA[&&-&&-&&-&&-&&-&&]]>
</Property>
<CustomAction Id="myActionId" BinaryKey="myAction" DllEntry="ReadXMLValue"
Execute="deferred" Return="check" />
<CustomAction Id="SetCustomActionDataValue" Return="check"
Property="myActionId" Value="FileName='.\FilesToInstall\Program
Files\Zygo\MetroProX\cfg\NewView.IC.xml';Node='\Settings\Section\Section\Section\add';Key='Mac'"
/>
<CustomAction Id="ReadXMLValue" Property="Value" Value="[MAC_ID]" />
<InstallExecuteSequence>
<Custom Action="SetCustomActionDataValue" Before="myActionId">NOT
Installed</Custom>
<Custom Action="myActionId" Before="InstallFinalize">NOT
Installed</Custom>
</InstallExecuteSequence>
But I don't think I have this setup right?
Jeff Davis
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