Download one of the Foxit PDF SDK DLL Demos (available in the following Integrated Development Environments (IDE)), Visual C++ 6.0 VB.NET C#
Unzip the demo into a folder and copy into the same folder the fpdfsdk.dll that was included in the package you downloaded in step 2.
The seven modules of SDK DLL, including Security, Progressive, Text, Asynchronous, Ebase, Page and Object Modules can be enabled by updating the license ID and unlock code passed as parameters to the FPDF_UnlockDLL function in the demo source code. Use the license ID and unlock code specified in the sn.txt that is included in the package you downloaded in step 2.
Unzip the demo and open it up in the appropriate IDE. Compile and run it.
If you have any questions or encounter any issues, please check out our forum or contact us at firstname.lastname@example.org or 1-866-MYFOXIT (1-866-693-6948).