//ProgressIndicator可以显示进度条以及一些文字信息,不过这个属性一般都在cs文件中操作。
private void PhoneApplicationPage_Loaded(object sender, System.Windows.RoutedEventArgs e)
{
private Microsoft.Phone.Shell.ProgressIndicator _progressIndicator = new Microsoft.Phone.Shell.ProgressIndicator();
Microsoft.Phone.Shell.SystemTray.ProgressIndicator = _progressIndicator;
_progressIndicator.Text = "加载中...";
_progressIndicator.IsIndeterminate = true;
_progressIndicator.IsVisible = true;
}