'DeclarationPublic Event PreviewLostKeyboardFocus As System.Windows.Input.KeyboardFocusChangedEventHandler
'UsageDim instance As DropDownButton Dim handler As System.Windows.Input.KeyboardFocusChangedEventHandler AddHandler instance.PreviewLostKeyboardFocus, handler
public event System.Windows.Input.KeyboardFocusChangedEventHandler PreviewLostKeyboardFocus
public event PreviewLostKeyboardFocus: System.Windows.Input.KeyboardFocusChangedEventHandler;
In JScript, you can handle the events defined by another class, but you cannot define your own.
public: __event System.Windows.Input.KeyboardFocusChangedEventHandler* PreviewLostKeyboardFocuspublic: event System.Windows.Input.KeyboardFocusChangedEventHandler^ PreviewLostKeyboardFocus
Event Data
The event handler receives an argument of type System.Windows.Input.KeyboardFocusChangedEventArgs containing data related to this event. The following KeyboardFocusChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Device | (Inherited from System.Windows.Input.InputEventArgs) |
| Handled | (Inherited from System.Windows.RoutedEventArgs) |
| KeyboardDevice | (Inherited from System.Windows.Input.KeyboardEventArgs) |
| NewFocus | Gets the element that focus has moved to. |
| OldFocus | Gets the element that previously had focus. |
| OriginalSource | (Inherited from System.Windows.RoutedEventArgs) |
| RoutedEvent | (Inherited from System.Windows.RoutedEventArgs) |
| Source | (Inherited from System.Windows.RoutedEventArgs) |
| Timestamp | (Inherited from System.Windows.Input.InputEventArgs) |
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
See Also