Export (0) Print
Expand All

SerialPort.WriteBufferSize Property

Gets or sets the size of the serial port output buffer.

Namespace:  System.IO.Ports
Assembly:  System (in System.dll)

member WriteBufferSize : int with get, set

Property Value

Type: System.Int32
The size of the output buffer. The default is 2048.


The WriteBufferSize value is less than or equal to zero.


The WriteBufferSize property was set while the stream was open.


The WriteBufferSize property was set to an odd integer value.

The WriteBufferSize property ignores any value smaller than 2048.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
© 2015 Microsoft