private void PhoneApplicationPage_BackKeyPress(object sender, System.ComponentModel.CancelEventArgs e)
{
if (PopupManager.HasPopup())
{
PopupManager.OffPopUp();
e.Cancel = true;
return;
}
if (App.DownVideoModel.DowningVideoids != null && App.DownVideoModel.DowningVideoids.Count > 0)
{
if (MessageBox.Show("还有正在下载的剧集，确定要退出吗？", "", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
App.DownVideoModel.SaveVideoData();
Application.Current.Terminate();
}
else
{
e.Cancel = true;
return;
}
}
else
{
Application.Current.Terminate();
}
}