Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Event PreviewQueryDropState As QueryDropStateEventHandler | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As ISDragableItemsControl Dim handler As QueryDropStateEventHandler AddHandler instance.PreviewQueryDropState, handler | |
| C# | |
|---|---|
public event QueryDropStateEventHandler PreviewQueryDropState | |
| Delphi | |
|---|---|
public event PreviewQueryDropState: QueryDropStateEventHandler; | |
| JScript | |
|---|---|
In JScript, you can handle the events defined by another class, but you cannot define your own. | |
| Managed Extensions for C++ | |
|---|---|
public: __event QueryDropStateEventHandler* PreviewQueryDropState | |
| C++/CLI | |
|---|---|
public: event QueryDropStateEventHandler^ PreviewQueryDropState | |
Event Data
The event handler receives an argument of type QueryDropStateEventArgs containing data related to this event. The following QueryDropStateEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| AllowDropObject | Gets or sets a value that indicates whether drop is allowed. |
| Data | Gets data carried. |
| Effects | Gets or sets the drag drop effects. |
| EventType | Gets the drag event type. |
| Handled (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| HandledBy (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| IsHandledByPrimitive (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) | |
| 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