Read a widestring value from the stream.
Source position: classesh.inc line 1767
| public function TAbstractObjectReader.ReadWideString: WideString; virtual; abstract; | 
ReadWideString is called when a widestring-typed value should be read from the stream. This abstract method should be overridden by descendant classes.
| 
 | Write a widestring value to the stream. |