Thanks Blair.
Frankly, I'm not getting what you just said. I'm afraid that I couldn't translate your instructions to be actual code and make it work. Is it possible to provide some step by step instructions? I'd just like it more specific. (Even I've being dealt with Wix for more then 10 months, I'd say I'm still a newbie. Forgive me, please.) Thanks anyway. ________________________________ From: Blair <os...@live.com> To: General discussion for Windows Installer XML toolset. <wix-users@lists.sourceforge.net> Sent: Tuesday, October 20, 2009 3:05:32 PM Subject: Re: [WiX-users] How to detect files presence and conditionally show a new added dialog page "Type 19" is <CustomAction Property='PROPID' Value='My Value [WITHPROPERTIES] if needed'/> You schedule it in the sequence tables like any other custom action, including using conditions. And, yes, on your "conditions to determine dialogs" question. -----Original Message----- From: little.forest [mailto:little.for...@ymail.com] Sent: Tuesday, October 20, 2009 12:56 PM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] How to detect files presence and conditionally show a new added dialog page Thanks for your reply, Richard. Hmm, can you tell me how to use AppSearch to "locate folders"? "Use type 19 CA to set properties" - I guess you mean I'll need a dll or exe to detect and set the property, right? If so, is it possible that I can "reuse" my existing setting upgrade program? I already have a small program to handle setting upgrade - it accepts parameters to run like this "upgrade_settings.exe -run param1 param2". Can I run it something like "upgrade_settings.exe -detect param1 param2" just for detection reason? How can I make sure this detection run is before the actual setting upgrade running? I've a feeling that, for one program, we'd better not to run it twice in one installer. Or, even I can write another program to do the detection work, but how can I sequence these two apps to make the detection one run first? Maybe I'm wrong, but I worry about the program sequencing. Currently, I have these code: <Binary Id="SettingUpgraderApp" SourceFile="upgrade_settings.exe"/> <CustomAction Id="DoSettingUpgrade" BinaryKey="SettingUpgraderApp" ExeCommand='-run param1 param2' Execute="deferred" Return="check" HideTarget="no" Impersonate="no" /> <InstallExecuteSequence> <Custom Action="DoSettingUpgrade" Before="InstallFinalize">NOT Installed</Custom> </InstallExecuteSequence> If, say, add the detection, can I do this? <CustomAction Id="SettingUpgradeDetection" BinaryKey="SettingUpgraderApp" ExeCommand='-detect param1 param2' Execute="deferred" Return="check" HideTarget="no" Impersonate="no" /> <InstallExecuteSequence> <Custom Action="SettingUpgradeDetection" Before="DoSettingUpgrade">NOT Installed and REALLY_NEED_UPGRADE_SETTING</Custom> </InstallExecuteSequence> And the last question, "to use condition on events to determine dialogs shown in a wizard", is it some like this? <Publish Dialog="MyDlg" Control="Back" Event="NewDialog" Value="MyInstallDirDlg" Order="1">NOT Installed and and REALLY_NEED_UPGRADE_SETTING</Publish> Thanks! ________________________________ From: Richard <legal...@xmission.com> To: wix-users@lists.sourceforge.net Sent: Monday, October 19, 2009 6:52:11 PM Subject: Re: [WiX-users] How to detect files presence and conditionally show a new added dialog page Use AppSearch to locate folders. Use type 19 CA's (property set) to set properties based on conditions Use conditions on events to determine dialogs shown in a wizard sequence, or a condition on the dialog action in the UI sequence to conditionally display dialogs. -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://legalizeadulthood.wordpress.com/the-direct3d-graphics-pipeline/> Legalize Adulthood! <http://legalizeadulthood.wordpress.com> ---------------------------------------------------------------------------- -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. 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