Assembly: System (in system.dll)
The stream is in a .NET Compact Framework application and one of the following methods was called:
The .NET Compact Framework does not support the asynchronous model with base streams.
Use this property for explicit asynchronous I/O operations or to pass the SerialPort object to a Stream wrapper class such as StreamWriter.
Any open serial port's BaseStream property returns an object that derives from the abstract Stream class, and implements read and write methods using the prototypes inherited from the Stream class: BeginRead, BeginWrite, Read, ReadByte, Write, and WriteByte. These methods can be useful when passing a wrapped serial resource to a Stream wrapper class.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.