System.Windows.Controls.Control.PostOnKeyDown C# (CSharp) Method

		internal virtual void PostOnKeyDown (KeyEventArgs e)
		{
			EmitCurrentContext (EventIds.UIElement_KeyDownEvent, e);

			if (!e.Handled && e.Key == Key.Tab) {
				// If the tab key is not handled by Control.OnKeyDown or by an eventhandler attached to the KeyDown event,
				// we handle it and tab to the next control here.
				e.Handled = true;
				NativeMethods.tab_navigation_walker_focus (native, (Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.None);
			}
		}