Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Event Completed As EventHandler(Of AsyncEventArgs) | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As BaseOperation Dim handler As EventHandler(Of AsyncEventArgs) AddHandler instance.Completed, handler | |
| C# | |
|---|---|
public event EventHandler<AsyncEventArgs> Completed | |
| C++/CLI | |
|---|---|
public: event EventHandler<AsyncEventArgs^>^ Completed | |
Event Data
The event handler receives an argument of type AsyncEventArgs containing data related to this event. The following AsyncEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Cancelled | Returns whether the operation was cancelled. |
| CompletedSuccessfully | Returns whether the operation completed successfully. |
| CompletedSynchronously | Returns whether the operation was completed synchronously. |
| Error | The exception, if any, thrown by the underlying operation. |
| HasError | Returns whether the operation failed. |
| IsCompleted | Returns whether the operation completed. |
| IsErrorHandled | Whether the Error was handled ( if one exists). |
| IsUnavailable | Internal use only. |
| UserState | Uniquely identifies the asynchronous operation. |
Requirements
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family