TobbeSweden
31st May 2008 13:08 UTC

Cancel installation without confirmation
I have MUI_ABORTWARNING defined, but on a custom page I've written I want the Cancel button to close the installer without first asking for confirmation under certain circumstances. How can I do that?

Anders
31st May 2008 13:55 UTC

use your own function with .onUserAbort instead

TobbeSweden
31st May 2008 14:38 UTC

I get an "Error: Function named ".onUserAbort" already exists." error when I try to add a .onUserAbort function (MUI_ABORTWARNING is not defined)

TobbeSweden
31st May 2008 14:42 UTC

!define MUI_CUSTOMFUNCTION_ABORT might be my answer

TobbeSweden
31st May 2008 14:49 UTC

So I wanted to use $(MUI_TEXT_ABORTWARNING) in my custom abort function, but I get warnings like this:
LangString "MUI_TEXT_ABORTWARNING" is not set in language table of language English

If I define both MUI_CUSTOMFUNCTION_ABORT and MUI_ABORTWARNING I don't get that warning, but then I get two warning dialogs (the built-in MUI one and my own). Anyone know a way around this? Or am I just going to have to write my own LangString?

TobbeSweden
1st June 2008 14:21 UTC

This is the code I ended up with

Function customOnUserAbort
        StrCmp $PreReqOK "false" NoCancelAbort
        MessageBox MB_YESNO|MB_ICONEXCLAMATION "$(ABORT_WARNING)" IDYES NoCancelAbort
                Abort ; causes installer to not quit.
        NoCancelAbort:
FunctionEnd