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.
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.
Available since 3.0