Version 15 is the first version of the LEADTOOLS NITF C++ Class Library.
LEADTOOLS Version 15 now supports both ANSI and UNICODE development in the same libraries.
LEADTOOLS now supports specifying the version of toolkit that you are using. You should define LTVXX_CONFIG in your project, where "*" is the version you are using, for example: LTV15_CONFIG.
For more information, refer to: