| C1.WPF.C1Chart3D 命名空间 > C1Chart3D 类 : PreviewKeyDown 事件 |
'声明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.
| 属性 | 说明 |
|---|---|
| DeadCharProcessedKey | |
| Device | (从System.Windows.Input.InputEventArgs继承) |
| Handled | (从System.Windows.RoutedEventArgs继承) |
| ImeProcessedKey | |
| InputSource | |
| IsDown | |
| IsRepeat | |
| IsToggled | |
| IsUp | |
| Key | |
| KeyboardDevice | (从System.Windows.Input.KeyboardEventArgs继承) |
| KeyStates | |
| OriginalSource | (从System.Windows.RoutedEventArgs继承) |
| RoutedEvent | (从System.Windows.RoutedEventArgs继承) |
| Source | (从System.Windows.RoutedEventArgs继承) |
| SystemKey | |
| Timestamp | (从System.Windows.Input.InputEventArgs继承) |
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