| GrapeCity.ActiveReports.Viewer.Wpf.v9 Assembly > GrapeCity.ActiveReports.Viewer.Wpf Namespace > Viewer Class : PreviewKeyDown Event |
'Declaration Public Event PreviewKeyDown As System.Windows.Input.KeyEventHandler
public event System.Windows.Input.KeyEventHandler PreviewKeyDown
The event handler receives an argument of type System.Windows.Input.KeyEventArgs containing data related to this event. The following KeyEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Handled | Gets or sets a value that marks the routed event as handled. A true value for Handled prevents most handlers along the event route from handling the same event again. |
| Key | Gets the keyboard key associated with the event. |
| OriginalSource | (Inherited from System.Windows.RoutedEventArgs) |
| PlatformKeyCode | Gets an integer value that represents the key that is pressed or released (depending on which event is raised). This value is the nonportable key code, which is operating system–specific. |
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