WPF 窗体基类实现的体验及实现回车到下一控件

1、窗体基类实现参考

http://weblogs.asp.net/psheriff/archive/2009/11/02/creating-a-base-window-class-in-wpf.aspx

2、基类不能像WinForm窗体一样写Loaded事件（写了也是不执行的）

没办法只好写一个方法让所有继承者调用了

3、回车键改为TAB的实现

??????? /// <summary>
??????? /// 将回车改为TAB
??????? /// </summary>
??????? /// <param name="e"></param>
??????? protected override void OnKeyDown(System.Windows.Input.KeyEventArgs e)
??????? {
??????????? if (e.Key == System.Windows.Input.Key.Enter)
??????????? {
??????????????? // MoveFocus takes a TraveralReqest as its argument.
??????????????? TraversalRequest request = new TraversalRequest(FocusNavigationDirection.Next);
??????????????? // Gets the element with keyboard focus.
??????????????? UIElement elementWithFocus = Keyboard.FocusedElement as UIElement;
??????????????? // Change keyboard focus.
??????????????? if (elementWithFocus != null)
??????????????? {
??????????????????? elementWithFocus.MoveFocus(request);
??????????????? }
??????????????? e.Handled = true;
??????????? }
??????????? base.OnKeyDown(e);
??????? }

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