void OnValueReceived(object sender, ValueReceivedEventArgs e)
 {
     Caller.showChartData(new { name = ((IPerformanceCounterReader)sender).Name, value = e.Value });
 }
 void OnValueReceived(object sender, ValueReceivedEventArgs e)
 {
     Caller.showChartData(new { name = ((IPerformanceCounterReader)sender).Name, value = e.Value });
 }