Used to convert .Net color objects to strings that Google Earth understands (AABBGGRR)
        private static geStyle ConvertToPolyStyle(FillSymbol fillSym)
        {
            gePolyStyle polyStyle;
              geLineStyle border;
              geStyle style;
              string hashId;

              hashId = fillSym.GetHashCode().ToString();
              style = new geStyle(hashId);

              polyStyle = new gePolyStyle();
              geColor color = new geColor();
              color.SysColor = ((SolidColorBrush)fillSym.Fill).Color;
              polyStyle.Color = color;

              border = new geLineStyle();
              geColor borderColor = new geColor();
              borderColor.SysColor = ((SolidColorBrush)fillSym.BorderBrush).Color;
              border.Color = borderColor;

              style.LineStyle = border;
              style.PolyStyle = polyStyle;
              return style;
        }
        private static geStyle ConvertToLineStyle(LineSymbol lineSym)
        {
            geLineStyle lineStyle;
              geStyle style;
              string hashId;

              hashId = lineSym.GetHashCode().ToString();
              style = new geStyle(hashId);

              lineStyle = new geLineStyle();
              geColor color = new geColor();
              color.SysColor = ((SolidColorBrush)lineSym.Color).Color;
              lineStyle.Color = color;
              lineStyle.Width = (float)lineSym.Width;

              style.LineStyle = lineStyle;

              return style;
        }