ClientBase<TChannel>::InvokeAsync Method (ClientBase<TChannel>::BeginOperationDelegate^, array<Object^>^, ClientBase<TChannel>::EndOperationDelegate^, SendOrPostCallback^, Object^)
Provides support for implementing the event-based asynchronous pattern. For more information about this pattern, see Event-based Asynchronous Pattern Overview.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
protected: void InvokeAsync( ClientBase<TChannel>::BeginOperationDelegate^ beginOperationDelegate, array<Object^>^ inValues, ClientBase<TChannel>::EndOperationDelegate^ endOperationDelegate, SendOrPostCallback^ operationCompletedCallback, Object^ userState )
Parameters
- beginOperationDelegate
-
Type:
System.ServiceModel::ClientBase<TChannel>::BeginOperationDelegate^
A delegate that is used for calling the asynchronous operation.
- inValues
-
Type:
array<System::Object^>^
The input values to the asynchronous call.
- endOperationDelegate
-
Type:
System.ServiceModel::ClientBase<TChannel>::EndOperationDelegate^
A delegate that is used to end the asynchronous call after it has completed.
- operationCompletedCallback
-
Type:
System.Threading::SendOrPostCallback^
A client-supplied callback that is invoked when the asynchronous method is complete. The callback is passed to the ClientBase<TChannel>::BeginOperationDelegate.
- userState
-
Type:
System::Object^
The userState object to associate with the asynchronous call.
Provide a unique value, such as a GUID or hash code, in the userState parameter for each call to InvokeAsync(ClientBase<TChannel>::BeginOperationDelegate^, array<Object^>^, ClientBase<TChannel>::EndOperationDelegate^, SendOrPostCallback^, Object^), and when each operation is completed, your event handler can determine which instance of the operation raised the completion event.
Available since 8
.NET Framework
Available since 3.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0