private void interstitial_AdRequestFailed(object sender, IMAdInterstitialErrorEventArgs e)
 {
     System.Diagnostics.Debug.WriteLine("Ad Request Failed:" + e.ErrorDescription);
 }
 private void interstitial_AdRequestFailed(object sender, IMAdInterstitialErrorEventArgs e)
 {
     System.Diagnostics.Debug.WriteLine("Ad Request Failed:" + e.ErrorDescription);
 }