You can't "just check for Cancel". You need to send a message and if a cancel occurred then you'll get that in the return code from ::MsiProcessMessage(). wcautil.lib also has wrappers around many of the MSI functions since more functions than you'd expect can return cancel.
Curtis Jewell wrote: >>> In article <1243447694545-2982772.p...@n2.nabble.com>, >>> achandrapano <achan...@panologic.com> writes: >>> >>> >>>> I have a custom action that occurs right before InstallFinalize. Pressing >>>> cancel and selecting 'yes' doesn't seem to cause a rollback. Is this a >>>> timing issue since no rollbacks are allowed after InstallFinalize? The >>>> MSI >>>> log shows the cancel dlg was created but nothing else (I did a diff of 2 >>>> msi >>>> logs, one with cancel and one without) >>>> >>> It is up to the custom action to return ERROR_INSTALL_USEREXIT if you >>> want your custom action to cause a rollback. >>> >>> Are you calling MsiProcessMessage in your custom action? You need to >>> check the return value of this function and look for indications that >>> the user clicked cancel (return value IDCANCEL) and then bubble out >>> the cancel from your custom action back to the install engine. If you >>> don't do this, the cancel action will be lost. >>> > > I'm not the person who originally asked the question, but the > documentation on MSDN is looking a little bit opaque on this issue. > > I have a custom action that takes about 2-3 minutes to do, (the main > routine is recursive through the directory structure, see > http://svn.ali.as/cpan/trunk/Perl-Dist-WiX/src/ClearFolderCA/ClearFolderCA/ClearFolderCA.cpp > for the up-to-date source) and I'd like to be able to detect when the > Cancel button has been hit. > > I know MsiProcessMessage is what I want to do to check for that cancel > button... (I'd make the call each time I recurse into AddDirectory) but > what's opaque is what parameters do I use if checking for a Cancel > button press is the only thing I want to do? > > --Curtis > > -- > Curtis Jewell > swords...@csjewell.fastmail.us > > %DCL-E-MEM-BAD, bad memory > -VMS-F-PDGERS, pudding between the ears > > [I use PC-Alpine, which deliberately does not display colors and > pictures in HTML mail] > -- > Curtis Jewell > swords...@csjewell.fastmail.us > > %DCL-E-MEM-BAD, bad memory > -VMS-F-PDGERS, pudding between the ears > > [I use PC-Alpine, which deliberately does not display colors and pictures in > HTML mail] > > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity professionals. Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp as they present alongside digital heavyweights like Barbarian > Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users > ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
