1.1 --- a/GUI/SensorGadget.cs	Wed Sep 15 18:43:15 2010 +0000
     1.2 +++ b/GUI/SensorGadget.cs	Fri Sep 17 18:32:11 2010 +0000
     1.3 @@ -423,52 +423,57 @@
     1.4          foreach (ISensor sensor in pair.Value) {
     1.5            int remainingWidth;
     1.6  
     1.7 -          if (sensor.SensorType != SensorType.Load && 
     1.8 -            sensor.SensorType != SensorType.Control) 
     1.9 +
    1.10 +          if ((sensor.SensorType != SensorType.Load &&
    1.11 +            sensor.SensorType != SensorType.Control) || !sensor.Value.HasValue) 
    1.12            {
    1.13 -            string format = "";
    1.14 -            switch (sensor.SensorType) {
    1.15 -              case SensorType.Voltage:
    1.16 -                format = "{0:F2} V";
    1.17 -                break;
    1.18 -              case SensorType.Clock:
    1.19 -                format = "{0:F0} MHz";
    1.20 -                break;
    1.21 -              case SensorType.Temperature:
    1.22 -                format = "{0:F1} °C";
    1.23 -                break;
    1.24 -              case SensorType.Fan:
    1.25 -                format = "{0:F0} RPM";
    1.26 -                break;
    1.27 -              case SensorType.Flow:
    1.28 -                format = "{0:F0} L/h";
    1.29 -                break;
    1.30 +            string formatted;
    1.31 +
    1.32 +            if (sensor.Value.HasValue) {
    1.33 +              string format = "";
    1.34 +              switch (sensor.SensorType) {
    1.35 +                case SensorType.Voltage:
    1.36 +                  format = "{0:F2} V";
    1.37 +                  break;
    1.38 +                case SensorType.Clock:
    1.39 +                  format = "{0:F0} MHz";
    1.40 +                  break;
    1.41 +                case SensorType.Temperature:
    1.42 +                  format = "{0:F1} °C";
    1.43 +                  break;
    1.44 +                case SensorType.Fan:
    1.45 +                  format = "{0:F0} RPM";
    1.46 +                  break;
    1.47 +                case SensorType.Flow:
    1.48 +                  format = "{0:F0} L/h";
    1.49 +                  break;
    1.50 +              }
    1.51 +
    1.52 +              if (sensor.SensorType == SensorType.Temperature &&
    1.53 +                unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit) {
    1.54 +                formatted = string.Format("{0:F1} °F",
    1.55 +                  sensor.Value * 1.8 + 32);
    1.56 +              } else {
    1.57 +                formatted = string.Format(format, sensor.Value);
    1.58 +              }
    1.59 +            } else {
    1.60 +              formatted = "-";
    1.61              }
    1.62  
    1.63 -            string formattedValue;
    1.64 -            if (sensor.SensorType == SensorType.Temperature &&
    1.65 -              unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit) {
    1.66 -              formattedValue = string.Format("{0:F1} °F",
    1.67 -                sensor.Value * 1.8 + 32);
    1.68 -            } else {
    1.69 -              formattedValue = string.Format(format, sensor.Value);
    1.70 -            }
    1.71 -
    1.72 -            
    1.73 -            g.DrawString(formattedValue, smallFont, darkWhite,
    1.74 -              new RectangleF(-1, y - 1, w - rightMargin + 3, 0), 
    1.75 +            g.DrawString(formatted, smallFont, darkWhite,
    1.76 +              new RectangleF(-1, y - 1, w - rightMargin + 3, 0),
    1.77                alignRightStringFormat);
    1.78  
    1.79 -            remainingWidth = w - (int)Math.Floor(g.MeasureString(formattedValue,
    1.80 -              smallFont, w, StringFormat.GenericTypographic).Width) - 
    1.81 +            remainingWidth = w - (int)Math.Floor(g.MeasureString(formatted,
    1.82 +              smallFont, w, StringFormat.GenericTypographic).Width) -
    1.83                rightMargin;
    1.84 -          } else {            
    1.85 -            DrawProgress(g, w - progressWidth - rightMargin, 
    1.86 +          } else {
    1.87 +            DrawProgress(g, w - progressWidth - rightMargin,
    1.88                y + 4, progressWidth, 6, 0.01f * sensor.Value.Value);
    1.89  
    1.90              remainingWidth = w - progressWidth - rightMargin;
    1.91            }
    1.92 -
    1.93 +           
    1.94            remainingWidth -= leftMargin + 2;
    1.95            if (remainingWidth > 0) {
    1.96              g.DrawString(sensor.Name, smallFont, darkWhite,