Extract the drive part from a filename.
Source position: finah.inc line 26
| function ExtractFileDrive( | 
| const FileName: UnicodeString | 
| ):UnicodeString; | 
| const FileName: RawByteString | 
Extracts the drive letter from a filename. Note that some operating systems do not support drive letters.
For an example, see ExtractFileDir.
| 
 | Extract the filename part from a full path filename. | |
| 
 | Extract the path from a filename. | |
| 
 | Extract the drive and directory part of a filename. | |
| 
 | Extract the drive part from a filename. | |
| 
 | Return the extension from a filename. | |
| 
 | Extract a relative path from a filename, given a base directory. |