ChannelFactory.OnBeginOpen Method

Begins an asynchronous open operation on the inner channel factory of the current channel factory that has a state object associated with it.

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

'Declaration
Protected Overrides Function OnBeginOpen ( _
	timeout As TimeSpan, _
	callback As AsyncCallback, _
	state As Object _
) As IAsyncResult

Parameters

timeout
Type: System.TimeSpan

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

callback
Type: System.AsyncCallback

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

state
Type: System.Object

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

Return Value

Type: System.IAsyncResult
The IAsyncResult that references the asynchronous operation.

This method receives notification, through a callback, of the identity of the event handler for the operation. The operation is not complete until either the asynchronous open on the inner channel factory returns or the time-out occurs.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, 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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