This API is used to manipulate and query command line options in an installer or uninstaller.
Specifies the action the API should take. Possible values are:
Check to see if the option given by -option was passed on the command line.
Returns 1 if the option was passed or 0 if it was not.
Check to see if the option given by -option exists as a possible option.
Returns 1 if the option exists or 0 if it does not.
The command line option to check. Any - or / is stripped from the left side of the option before it is checked.