WiX 3.6: A Developer's Guide to Windows Installer XML

Publish events

In the following sections, we'll take a look at several events that you can publish. This should give you a good idea about how the Publish element works.

DoAction

The DoAction event calls a custom action that you've declared elsewhere in your markup. For example, suppose we'd defined a custom action called CA_ShowMessage that simply displays a message box with the text You clicked?:

<CustomAction Id="CA_ShowMessage"
              Script="vbscript" 
              Execute="immediate">
   <![CDATA[msgbox "You clicked?"]]>
</CustomAction>

We could then trigger this action with a PushButton by publishing the DoAction event with a value of CA_ShowMessage.

<Control Id="DoActionButton" Type="PushButton" X="120" Y="100" Width="56" Height="17" Text="Click Me!"> <Publish Event="DoAction" ...