| CryptoStream: ReadByte | 
Reads a byte from the stream and advances the position within the stream by one byte, or returns -1 if at the end of the stream.
Public Function ReadByte ( ) As Long
Use the CanRead property to determine whether the current instance supports reading.
| Exception | Condition | 
|---|---|
| NotSupportedException | The stream does not support reading. | 
| ObjectDisposedException | Methods were called after the stream was closed. |