private void Button_Click(object sender, RoutedEventArgs e)
{
if (e.OriginalSource is Button button && button.Tag is string tag)
{
var index = tag.Value <int>() + 1;
FrameDemo.Navigate(index >= _pageList.Count ? _pageList[0] : _pageList[index]);
}
}
public FrameDemoCtl()
{
InitializeComponent();
AddHandler(ButtonBase.ClickEvent, new RoutedEventHandler(Button_Click));
_pageList = new List <Page>();
for (var i = 0; i < 5; i++)
{
_pageList.Add(CreatePage(i));
}
FrameDemo.Navigate(_pageList[0]);
}