virtual int get_index(IndexFile *index_file, MainProgressBar *progress_bar) { return -1; }
virtual int check_header() { return 0; } // Test file to see if it is of this type.
virtual int reset_parameters_derived() { return 0; }
virtual int get_index(IndexFile *index_file, MainProgressBar *progress_bar) { return -1; }
virtual int check_header() { return 0; } // Test file to see if it is of this type.
virtual int reset_parameters_derived() { return 0; }