What happens if Foxit Quick PDF Library is not unlocked correctly?
Atempting to use Foxit Quick PDF Library without a license key, with an expired trial license key or with an invalid license key, will result in the follow functions being being blocked:
Check the result of the UnlockKey function
In order to reduce any confusion, you should check the result of the UnlockKey function before doing anything else. If the function returns a 0 then this means that the license key is either missing, expired or invalid, if the function returns a 1 then this means that the license key is valid and you will be able to access the full functionality of the library.
This article refers to a deprecated product. If you are looking for support for Foxit PDF SDK, please click here.
Updated on May 16, 2022