UIElement.PreviewKeyDown Event
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public:
virtual event KeyEventHandler ^ PreviewKeyDown;// Register
event_token PreviewKeyDown(KeyEventHandler const& handler) const;
// Revoke with event_token
void PreviewKeyDown(event_token const* cookie) const;
// Revoke with event_revoker
UIElement::PreviewKeyDown_revoker PreviewKeyDown(auto_revoke_t, KeyEventHandler const& handler) const;C#
public event KeyEventHandler PreviewKeyDown;function onPreviewKeyDown(eventArgs) { /* Your code */ }
uIElement.addEventListener("previewkeydown", onPreviewKeyDown);
uIElement.removeEventListener("previewkeydown", onPreviewKeyDown);
- or -
uIElement.onpreviewkeydown = onPreviewKeyDown;Public Custom Event PreviewKeyDown As KeyEventHandler XAML
<uiElement PreviewKeyDown="eventhandler"/>
PreviewKeyDown is a routed event. For more info on the routed event concept, see Events and routed events overview.
This event uses the tunneling routing strategy. The corresponding bubbling event is KeyDown.
| Product | Versions |
|---|---|
| Windows App SDK | 0.8, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 |