Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Event PreviewDragEnter As DragEventHandler | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As ISDragableHeaderedSelectionControl Dim handler As DragEventHandler AddHandler instance.PreviewDragEnter, handler | |
| C# | |
|---|---|
public event DragEventHandler PreviewDragEnter | |
| Delphi | |
|---|---|
public event PreviewDragEnter: DragEventHandler; | |
| JScript | |
|---|---|
In JScript, you can handle the events defined by another class, but you cannot define your own. | |
| Managed Extensions for C++ | |
|---|---|
public: __event DragEventHandler* PreviewDragEnter | |
| C++/CLI | |
|---|---|
public: event DragEventHandler^ PreviewDragEnter | |
Event Data
The event handler receives an argument of type DragEventArgs containing data related to this event. The following DragEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| AllowedEffects | Gets allowed effects. |
| Data | Gets data carried. |
| Effects | Gets current drag effects. |
| Handled (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| HandledBy (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| IsHandledByPrimitive (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| KeyStates | Gets current key states. |
| OriginalSource (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| RoutedEvent (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| Source (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) |
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