Reads the filer signature.
Source position: classesh.inc line 1833
| public procedure TBinaryObjectReader.ReadSignature; override; | 
ReadSignature is overridden by TBinaryObjectReader to read the signature (TPF0) from binary streams.
If the stream does not start with the correct signature, an EReadError exception is raised.
| 
 | Read resource signature. | |
| 
 | Write stream signature to the stream. | |
| 
 | Write stream signature to the stream. |