Keyboard.PreviewKeyboardInputProviderAcquireFocus Attached Event

.NET Framework (current version)

Occurs when the keyboard input provider is in the process of acquiring focus.

Namespace:   System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)

See AddPreviewKeyboardInputProviderAcquireFocusHandler, RemovePreviewKeyboardInputProviderAcquireFocusHandler

This is an attached event. WPF implements attached events as routed events. Attached events are fundamentally a XAML language concept for referencing events that can be handled on objects that do not define that event, which WPF expands upon by also enabling the event to traverse a route. Attached events do not have a direct handling syntax in code; to attach handlers for a routed event in code, you use a designated Add*Handler method. For details, see Attached Events Overview.

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