OverviewExamples
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number MSI.QueryFeatureState ( |
Calls the MsiQueryFeatureState function to get the installed state for a product feature.
(string) The "product code" of the product containing the feature. This string must be an identifier string enclosed in curly braces, for example: "{78B82B0B-9AD9-40C0-B994-F72C21B52723}".
(string) The feature whose installed state you want.
(number) The installed state of the feature represented by one of the following values:
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CONSTANT |
VALUE |
DESCRIPTION |
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INSTALLSTATE_INVALIDARG |
-2 |
An invalid parameter was passed to the function. |
|
INSTALLSTATE_UNKNOWN |
-1 |
The product code or feature ID is unknown. |
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INSTALLSTATE_ADVERTISED |
1 |
The feature is advertised. |
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INSTALLSTATE_ABSENT |
2 |
The feature is not installed. |
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INSTALLSTATE_LOCAL |
3 |
The feature is installed locally. |
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INSTALLSTATE_SOURCE |
4 |
The feature is installed to run from source. |
If the action fails, nil is returned. You can use Application.GetLastError to determine whether this action failed, and why.
When adding an action with the action editor, you can use this field to specify a variable that the return value will be stored in.
See also: Related Actions