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Socket.UseOnlyOverlappedIO Property

Definition

Caution

UseOnlyOverlappedIO has been deprecated and is not supported.

Gets or sets a value that specifies whether the socket should only use Overlapped I/O mode. On .NET 5+ (including .NET Core versions), the value is always false.

public:
 property bool UseOnlyOverlappedIO { bool get(); void set(bool value); };
public bool UseOnlyOverlappedIO { get; set; }
[System.Obsolete("UseOnlyOverlappedIO has been deprecated and is not supported.")]
public bool UseOnlyOverlappedIO { get; set; }
member this.UseOnlyOverlappedIO : bool with get, set
[<System.Obsolete("UseOnlyOverlappedIO has been deprecated and is not supported.")>]
member this.UseOnlyOverlappedIO : bool with get, set
Public Property UseOnlyOverlappedIO As Boolean

Property Value

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

Attributes

Exceptions

The socket has been bound to a completion port.

Remarks

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

On .NET 5+ (include .NET Core) versions, the value of this property is always false, and you cannot change its value.

Applies to