ChannelDispatcher::OnBeginOpen Method (TimeSpan, AsyncCallback^, Object^)

 

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

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.

Exception Condition
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
Available since 3.0
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