Creating a Custom Axis Label to Set the Mark at the Middle of the Year

chart.View.AxisX.ItemsSource = New DateTime() {New DateTime(2006, 1, 1).AddDays(0.5 * 365), New DateTime(2007, 1, 1).AddDays(0.5 * 365)}

chart.View.AxisX.ItemsSource = new DateTime[]

   {

     new DateTime(2006,1,1).AddDays(0.5*365),

     new DateTime(2007,1,1).AddDays(0.5*365),

     //...

   };

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