Returns the version of the plugin.
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_NO_DATA - no information about this field.
PRL_ERR_BUFFER_OVERRUN - the size of the output buffer is not large enough. The parameter that is used to specify the size will contain the required size.
PRL_ERR_SUCCESS - function completed successfully.