Read data from the stream.
Source position: pipes.pp line 58
| public function TOutputPipeStream.Read( | 
| var Buffer; | 
| Count: LongInt | 
| ):LongInt; override; | 
| Buffer | 
 | Memory buffer where to write the data read from the stream. | 
| Count | 
 | Number of bytes to read from the stream. | 
Number of bytes actually read from the stream.
Read overrides the parent Read implementation. It always raises an exception, because a output pipe is write-only.
An EStreamError exception is raised when this function is called.
| 
 | Sets the position in the stream. |