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ChannelDispatcher.OnBeginOpen Method

Begins an asynchronous operation to open a channel listener for the dispatcher that must be completed within a specified interval of time.

Namespace:  System.ServiceModel.Dispatcher
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

protected override IAsyncResult OnBeginOpen(
	TimeSpan timeout,
	AsyncCallback callback,
	Object state
)

Parameters

timeout
Type: System.TimeSpan

The Timespan that specifies how long the open operation has to complete before timing out.

callback
Type: System.AsyncCallback

The AsyncCallback delegate that receives the notification of the asynchronous completion of the open operation.

state
Type: System.Object

An object, specified by the application, that contains state information associated with the asynchronous open operation.

Return Value

Type: System.IAsyncResult
The IAsyncResult that references the asynchronous operation to open a channel listener for the dispatcher.

ExceptionCondition
InvalidOperationException

The host or the message version is null.

The channel dispatcher must be associated with a non-null service host when this method is called.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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