ClientBase<TChannel>.InvokeAsync Method (ClientBase<TChannel>.BeginOperationDelegate, 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, 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:
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, 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