Windows installer strange custom actions

StackOverflow https://stackoverflow.com/questions/18194314

  •  24-06-2022
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Question

I'm exploring the MSI custom-actions, I'm using ORCA to see what is the actual MSIs contains.

I found in one MSI the following action types for example : 3073, 1537 and many other CustomActions types that I couldn't find any resource that have a full index for those various types.

Is there for example a way that I can create an customized CustomAction types, or maybe the new version of Windows Installer CustomActions not documented yet ?

Was it helpful?

Solution

Read Custom Action Types and adjacent help topics.

3073 = 2048 | 1024 | 1

1= DLL file stored in a Binary table stream. 1024 = msidbCustomActionTypeInScript Queues for execution at scheduled point within script. This flag designates that this is a deferred execution custom action. 2048 = msidbCustomActionTypeNoImpersonate Queues for execution at scheduled point within script. Executes with no user impersonation. Runs in system context.

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