[wix-users] Custom Action to Create and Install a File?

[Edwin Castro]

On Thu, Feb 20, 2020 at 10:17 PM Russell Haley <russ.haley at gmail.com> wrote:

> I also have a question: How can I tell if the LuaRocks or LLVM Feature was
> installed or not? Once the CustomActionData properties are working, can I
> could on a blank value indicating the feature was not installed, or do I
> need to set other properties?
>

You use & or ! as a prefix to get the action state or installed state of a
feature in a condition.

https://docs.microsoft.com/en-us/windows/win32/msi/conditional-statement-syntax


--
Edwin G. Castro