If you have not purchased a copy of LEADTOOLS ePrint 5 C DLL but wish to evaluate it, you must unlock the Evaluation ePrint C DLLs.
Before programming with the LEADTOOLS ePrint 5 C DLL, you must unlock the Basic or OEM level of ePrint support.
Unlocking Evaluation ePrint C DLLs
If you have not purchased a copy of LEADTOOLS ePrint 5 C DLL but wish to evaluate it, you must unlock the Evaluation ePrint C DLLs by passing the EPN_SUPPORT_EVAL value for the uSupportType parameter and pass an empty string for the pszKey parameter.
Unlocking the Evaluation ePrint C DLL allows you to use all the ePrint C DLLsduring the evaluation period. The evaluation period lasts for 30 days.
Unlocking Basic ePrint Support
To determine whether ePrint support is locked, call the L_EpnIsSupportLocked function.
To unlock ePrint support, call the L_EpnUnlockSupport function and pass the key that you received when you purchased the product for the pszKey parameter. The L_EpnUnlockSupport function unlocks and supports the Basic and OEM functionality features.
Unlocking OEM ePrint Support
To determine whether OEM ePrint support is locked, call the L_EpnIsOEMPrinterLocked function.
To unlock the OEM ePrint printer to enable any application to print directly to it, call the L_EpnUnlockOEMPrinter function.
For more information on locking and unlocking the OEM ePrint Printer, refer to: