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ServiceHostBase.OnBeginOpen Method

Begins an asynchronous operation invoked on the opening of the service host.

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 on-open operation has to complete before timing out.
callback
Type: System.AsyncCallback
The AsyncCallback delegate that receives the notification of the asynchronous operation on-open completion.
state
Type: System.Object
An object, specified by the application, that contains state information associated with the asynchronous on-open operation.

Return Value

Type: System.IAsyncResult
The IAsyncResult that references the asynchronous on-open operation.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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