private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
PageNavigator.OnPageNavigate += (o, e) =>
{
ContentFrame.NavigateTo(e.PageType, e.Args);
};
PageNavigator.OnPopupPageNavigate += (o, e) =>
{
FramePopup.NavigateTo(e.PageType, e.Args);
GridPopup.Visibility = Visibility.Visible;
};
PageNavigator.OnPopupClose += (o, e) => GridPopup.Visibility = Visibility.Hidden;
GridPopup.MouseUp += (o, e) => GridPopup.Visibility = Visibility.Hidden;
//在Frame中监听MouseUp，防止事件向上冒泡。
FramePopup.MouseUp += (o, e) => e.Handled = true;
}
