The dollar sign ($) on the front of the component name MyVbsCa means to
use the value of action state of the component, that is, what is going
to be done to the component. ">.2" means to check if the action state
is greater than 2, where 2 means "not present or installed" or being
uninstalled. There are values 3 (install locally) and 4 (install from
source) for a component, so > 2 would mean "install locally" or "install
from source". So essentially, they are just checking to see if the
component is going to be installed. See
http://msdn2.microsoft.com/en-us/library/aa368012(VS.85).aspx
Jim
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ryan
O'Neill
Sent: Tuesday, April 22, 2008 8:24 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Question about variables
I'm decoding someone else's setup and it has the following custom action
definition;
<CustomAction Id="CA_ActionId" FileKey="MyVbsCa.vbs" VBScriptCall=""
Execute="deferred" />
...
<Component Id="MyVbsCa" Guid="GUID_GOES_HERE">
<File Id="MyVbsCa.vbs" Name="MyVbsCa.vbs" KeyPath="yes"
Vital="yes" Source="MyVbsCa.vbs" />
</Component>
...
<ComponentRef Id="MyVbsCa" />
Plus the following scheduling of that action.
<Custom Action="CA_ActionId" Sequence="5904">(CTL_SetDefault = 1)
AND $MyVbsCa>2</Custom>
>From what I understand, $MyVbsCa is a variable but it is not used
anywhere other than those lines above. I can't see that it gets set, so
all I can think of is that it gets set somewhere as a side effect.
Am I missing something or does the above not work correctly?
Regards
Ryan
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