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Socket.UseOnlyOverlappedIO Property

Specifies whether the socket should only use Overlapped I/O mode.

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

property bool UseOnlyOverlappedIO {
	bool get ();
	void set (bool value);
/** @property */
public boolean get_UseOnlyOverlappedIO ()

/** @property */
public void set_UseOnlyOverlappedIO (boolean value)

public function get UseOnlyOverlappedIO () : boolean

public function set UseOnlyOverlappedIO (value : boolean)

Not applicable.

Property Value

true if the Socket uses only overlapped I/O; otherwise, false. The default is false.

Exception typeCondition


The socket has been bound to a completion port.

Set this property to true for a Socket you intend to call DuplicateAndClose. Otherwise, the Framework may assign a completion port to the socket, which would prohibit the use of DuplicateAndClose.

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0