Determine if you intend to use multiple threads with ScriptEase. Generally, it is safe to leave this define on as even if you are not using multiple threads, it doesn't hurt.
Activates the API function seShareReadObject which allows objects to be shared among threads.
ScriptEase supports the passing of parameters to script functions by reference by using the & operator and to wrapper functions by using the SE_BYREF flag. This define turns the support on, which is the default.