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

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: 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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