1: <local:BackgroundConverter x:Key="myConverter"/>

   1: <l:GanttRow Grid.Row="1"  ItemTemplate="{StaticResource TimeItemPres_blue_schedule}"  

   2:    ItemsSource="{Binding Path=Items}" 

   3:    Background="{Binding  Converter={StaticResource myConverter}}" ></l:GanttRow>

   1: public sealed class BackgroundConverter : IValueConverter

   2: {

   3:  

   4:     #region IValueConverter Members

   5:  

   6:     public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)

   7:     {

   8:         if (value is DemoDataRow)

   9:         {

  10:             LinearGradientBrush b=new LinearGradientBrush();

  11:             GradientStop gs1 = new GradientStop();

  12:             GradientStop gs2 = new GradientStop();

  13:             gs1.Color = Colors.Orange;

  14:             gs1.Offset = 0;

  15:             gs2.Color = Colors.Magenta;

  16:             gs2.Offset = 1;

  17:             

  18:             if ((value as DemoDataRow).Index%2==0)

  19:             {

  20:                 b.GradientStops.Add(gs1);

  21:                 b.GradientStops.Add(gs2);

  22:              

  23:                 return b;

  24:             }

  25:             else

  26:             {

  27:                 gs1.Offset=1;

  28:                 gs2.Offset=0;

  29:                 b.GradientStops.Add(gs1);

  30:                 b.GradientStops.Add(gs2);

  31:                 return b;

  32:             }

  33:                 

  34:         }

  35:         return new SolidColorBrush(Colors.Red);

  36:         

  37:     

  38:     }

  39:  

  40:     public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)

  41:     {

  42:         throw new NotImplementedException();

  43:     }

  44:  

  45:     #endregion

  46: }