C++ custom actions have a defined signature that includes expected return values.
http://msdn.microsoft.com/en-us/library/windows/desktop/aa368072(v=vs.85).aspx You may be able to store the message in a property or anywhere else (registry?) to retrieve later. Phil W -----Original Message----- From: Sean Farrow [mailto:sean.far...@seanfarrow.co.uk] Sent: Sunday, February 12, 2012 6:37 AM To: wix-users@lists.sourceforge.net Subject: [WiX-users] dealing with functions that throw exceptions Hi; I am currently writing a custom action dll in c++ for an installer. I've got a function provided that throws c++ exceptions. What I'd like to do is return S_FALSE plus the exception message if an exception is thrown. Has anyone got any macrows to do this? Any help appreciated. Cheers Sean. ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users *** Confidentiality Notice: This e-mail, including any associated or attached files, is intended solely for the individual or entity to which it is addressed. This e-mail is confidential and may well also be legally privileged. If you have received it in error, you are on notice of its status. Please notify the sender immediately by reply e-mail and then delete this message from your system. Please do not copy it or use it for any purposes, or disclose its contents to any other person. This email comes from a division of the Invensys Group, owned by Invensys plc, which is a company registered in England and Wales with its registered office at 3rd Floor, 40 Grosvenor Place, London, SW1X 7AW (Registered number 166023). For a list of European legal entities within the Invensys Group, please go to http://www.invensys.com/en/legal/default.aspx. You may contact Invensys plc on +44 (0)20 3155 1200 or e-mail recept...@invensys.com. This e-mail and any attachments thereto may be subject to the terms of any agreements between Invensys (and/or its subsidiaries and affiliates) and the recipient (and/or its subsidiaries and affiliates). ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users