/// <summary>
/// Used to hide the Busy Indicator that is currently displayed
/// </summary>
private void HideProgressRing()
{
if (threadHelper != null)
{
threadHelper.Exit();
threadHelper = null;
InvalidateMeasure();
}
}
/// <summary>
/// Used to display the Busy Indicator
/// </summary>
private void ShowProgressRing()
{
threadHelper = new ThreadedVisualHelper(Content, InvalidatesMeasure);
hostVisual = threadHelper.HostVisual;
}