Feature
(string) The feature whose installed state you want.
Re t u r n s
(number) The installed state of the feature represented by one of the following values:
|
CONSTANT |
VALUE DESCRIPTION |
|
|
INSTALLSTATE_INVALIDARG |
-2 |
An invalid parameter was passed to the function. |
|
INSTALLSTATE_UNKNOWN |
-1 |
The product code or feature ID is unknown. |
|
INSTALLSTATE_ADVERTISED |
1 |
The feature is advertised. |
|
INSTALLSTATE_ABSENT |
2 |
The feature is not installed. |
|
INSTALLSTATE_LOCAL |
3 |
The feature is installed locally. |
|
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.