The Read method is used to read the entire stream or a specified number of bytes from a binary Stream object and returns the resulting data as a variant.
Note: This method is only used with binary Stream objects, for text Stream objects, use the ReadText method.
|numbytes|| Optional. The number of bytes to read from the file,
or a StreamReadEnum value. Default is adReadAll
If you have specified more than the number of bytes left in the Stream, only the bytes remaining are returned.
|adReadAll||-1||Default. Reads all bytes from the stream, from the
current position to EOS.
Note: This is the only valid value with binary Stream objects