System 2.0.0.0 4.0.0.0 System.ComponentModel.AsyncCompletedEventArgs If you are using a class that implements the Event-based Asynchronous Pattern, the class provides a MethodNameCompleted event. MethodName is a placeholder for the first part of the method's name. is an example of the name of such a method. If you add an instance of the delegate to the event, you will receive information about the outcome of asynchronous operations in the parameter of the corresponding event handler. The attribute applied to this class has the following property value: . The does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the class or SQL Server Programming and Host Protection Attributes. Provides data for the MethodNameCompleted event. Constructor 2.0.0.0 4.0.0.0 To be added. Initializes a new instance of the class. The result of an asynchronous operation. Any error that occurred during the asynchronous operation. A value indicating whether the asynchronous operation was canceled. Property 2.0.0.0 4.0.0.0 System.Object To be added. Your event handler should always check the and properties before accessing the property. If an exception was raised or if the operation was canceled, accessing the property raises an exception. Gets a value that represents the result of an asynchronous operation. Property 2.0.0.0 4.0.0.0 System.ComponentModel.Browsable(false) System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never) System.Object To be added. To be added. Gets a value that represents the user state.