Builds absolute file path.
const char *filename = 0
- Relative or absolute file name or 0.
If filename is relative, treats it relative to the application folder and
returns pointer to the full file path from disk root.
If filename is absolute, copies it into temporary buffer and returns
pointer to this buffer. If filename =0 or omitted, returns absolute path
to the application folder with trailing '\'.
Import library: hge.lib