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FtpWebRequest.ReadWriteTimeout Property

Gets or sets a time-out when reading from or writing to a stream.

Namespace:  System.Net
Assembly:  System (in System.dll)

public function get ReadWriteTimeout () : int 
public function set ReadWriteTimeout (value : int)

Property Value

Type: System.Int32
The number of milliseconds before the reading or writing times out. The default value is 300,000 milliseconds (5 minutes).


The request has already been sent.


The value specified for a set operation is less than or equal to zero and is not equal to Timeout.Infinite.

The ReadWriteTimeout is used when writing to the stream returned by the GetRequestStream method or reading from the stream returned by the GetResponseStream method.

Specifically, the ReadWriteTimeout property controls the time-out for the Read method, which is used to read the stream returned by the GetResponseStream method, and for the Write method, which is used to write to the stream returned by the GetRequestStream method. If the time-out period is exceeded, the calling method throws a WebException with WebExceptionStatus set to Timeout.

To specify the amount of time to wait for the request to complete, use the Timeout property.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0