Joe & is a feature-action, and ! Is the current feature state, so I am checking both the existing state and what the installer is going to do (ie IF (Not Installed and Not Going to Be Installed).
In this case I want the CONFIGURE IIS to run both on install, upgrade and repair. I often use the combination for Custom Actions to say FeatureState is Absent and FeatureAction is Local for running once on install. And vice-versa for the uninstall. As I understand it, it is fairly important to consider both. (Its also important that this run after CostFinalise.) I suppose with your database deletion issue you could have used the condition of !DBFEATURE=3 and &DBFEATURE=2 (the database feature is going from installed to uninstalled (absent). More detail is in the MSI SDK on Conditional Expressions. Michael -----Original Message----- From: Joe Osman [mailto:joe.os...@tait.co.nz] Sent: Wednesday, 18 February 2009 12:26 PM To: General discussion for Windows Installer XMLtoolset. Subject: Re: [WiX-users] How to skip a custom action when feature notselected Thanks Michael, it worked ! One question: I have noticed that you've used &MainComponent and !MainComponent Can you tell me what's the difference between the two and is it important to use two of them together? Thanks. Michael Osmond wrote: > Joe > > Try looking at the SKIPCONFIGUREIIS property (its part of WIX), this > is how I stop the installer from doing the IIS Custom action if > MainComponent is not selected. > > > <!-- Suppress the IIS CA if we are not installing the web site --> > <CustomAction Id="SkipIISCA" Property="SKIPCONFIGUREIIS" > Value="1"/> > <InstallExecuteSequence> > <Custom Action="SkipIISCA" > After="CostFinalize"><![CDATA[NOT &MainComponent=3 AND NOT > !MainComponent=3]]> > </Custom> > </InstallExecuteSequence> > > -----Original Message----- > From: Joe Osman [mailto:joe.os...@tait.co.nz] > Sent: Wednesday, 18 February 2009 11:13 AM > To: General discussion for Windows InstallerXMLtoolset. > Subject: [WiX-users] How to skip a custom action when feature not > selected > > My installer creates a website during the product installation. I > would like to add a feature to the installer to enable the user to > skip the website creation and I thought about using something similar to that: > > <Custom Action="ConfigureIIS" Overridable="yes">NOT Installed AND > <![CDATA[&IISFeature=3]]></Custom> > > But I get an error message saying that a Custom element must have a > Before attribute, After attribute, or a Sequence attribute. > > I don't want to change the sequence of this action and I really don't > care what is the sequence. All I want to do is to skip the creation of > the website by skipping the custom action ConfigureIIS. > > Do you have any other idea? > > > ====================================================================== > = This email, including any attachments, is only for the intended > addressee. 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