FindNext() finds the next matching file or directory and returns it in nextFile.
You should pass the findHandle returned by a previous call to FindFirst().
- Parameters:
- 
  
    |  | nextFile | - ref to string to receive path of next file |  |  | findHandle | - handle for search. |  
 
- Returns:
- CATResult - CAT_STAT_PATH_IS_DIRECTORY if entry is a directory. CAT_STAT_PATH_IS_FILE if it's a file. CAT_ERR_FIND_END if no more files are available. 
Implemented in CATFileSystem_Win32.