CefKeyboardHandlerOnPreKeyEvent Method

Called before a keyboard event is sent to the renderer. |event| contains information about the keyboard event. |os_event| is the operating system event message, if any. Return true if the event was handled or false otherwise. If the event will be handled in OnKeyEvent() as a keyboard shortcut set |is_keyboard_shortcut| to true and return false.

protected virtual bool OnPreKeyEvent(
	CefBrowser browser,
	CefKeyEvent keyEvent,
	IntPtr os_event,
	out bool isKeyboardShortcut
)