Correct, as you note, you cannot log from a DoAction launched CA.
WcaProcessMessage is just a wrapper around MsiProcessMessage() that mostly adds
handling for cancel. WcaLog() is a wrapper around WcaProcessMessage() that
adds the concept of "logging levels" inside your own code and is used by the
ExitOnXxx macros in WiX CusotmActions.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of LEMIRE, JOHN
Sent: Wednesday, April 25, 2007 2:15 PM
To: WiX-users@lists.sourceforge.net
Subject: Re: [WiX-users] Logging in a custom action
Note huge caveat that ::MsiProcessMessage() doesn't work from DoAction so if
your CA is triggered by a button that will not work for logging.
Not sure how you're supposed to log from these, I have not found a solution,
perhaps someone else has....
Haven't used WcaProcessMessage so I can't say if it overcomes this
shortcoming...
________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rob Mensching
Sent: Wednesday, April 25, 2007 1:48 PM
To: [EMAIL PROTECTED]; WiX-users@lists.sourceforge.net
Subject: Re: [WiX-users] Logging in a custom action
::MsiProcessMessage() or WcaProcessMessage() if you're using wcautil.lib to
hide some of the trickier parts of the MSI API for CustomActions.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, April 25, 2007 1:08 PM
To: WiX-users@lists.sourceforge.net
Subject: [WiX-users] Logging in a custom action
Is there any way to write a message to the install log from a custom action?
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