How do I distinguish between a normal install and an upgrade in WIX?(如何区分 WIX 中的正常安装和升级?)
问题描述
I have some custom actions that I only want to execute in an upgrade scenario.
I am trying to set some properties, for example "MYPROPERTY"... When I come in via a standard install, I can set them, and an example of that XML is as follows...
<Custom Action="SetMyPropertyToOn" After="exampleActionRuuningBeforeThisOne"> (ENABLEMYPROPERTY_CB) AND (NOT ENABLEMYPROPERTY_CB="0") AND (NOT ENABLEMYPROPERTY) AND (NOT Installed)</Custom>
It runs in a normal install... I would also like it to run in an upgrade scenario.
I use this in all my setups:
<SetProperty After="FindRelatedProducts" Id="FirstInstall" Value="true">
NOT Installed AND NOT WIX_UPGRADE_DETECTED AND NOT WIX_DOWNGRADE_DETECTED
</SetProperty>
<SetProperty After="SetFirstInstall" Id="Upgrading" Value="true">
WIX_UPGRADE_DETECTED AND NOT (REMOVE="ALL")
</SetProperty>
<SetProperty After="RemoveExistingProducts" Id="RemovingForUpgrade" Sequence="execute" Value="true">
(REMOVE="ALL") AND UPGRADINGPRODUCTCODE
</SetProperty>
<SetProperty After="SetUpgrading" Id="Uninstalling" Value="true">
Installed AND (REMOVE="ALL") AND NOT (WIX_UPGRADE_DETECTED OR UPGRADINGPRODUCTCODE)
</SetProperty>
<SetProperty After="SetUninstalling" Id="Maintenance" Value="true">
Installed AND NOT Upgrading AND NOT Uninstalling AND NOT UPGRADINGPRODUCTCODE
</SetProperty>
You can then schedule your custom action to only run on upgrades:
<Custom Action="NameOfCustomAction" Before="InstallFinalize"><![CDATA[Upgrading= "true"]]></Custom>
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本文标题为:如何区分 WIX 中的正常安装和升级?


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