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CATHY
195
Pie chart color control
posted

Hi:

  I designed a pie chart using your software, the problem is how can I control the color of every pie, since I need to write the legend for different pie.

  I saw the following function can be called (posted on your forum): 

private void UltraChart_DrawItem(object sender, DrawItemEventArgs e)

{

 PrimitiveShape currentShape = (PrimitiveShape)e.Primitive;

 if (currentShape != null && currentShape.Data.ContainsKey(typeof(DataPoint)))

 {

 DataPoint dP = currentShape.Data[typeof(DataPoint)] as DataPoint;

 int indexOfDataPoint = this.ultraChart1.Series[0].DataPoints.IndexOf(dP);

 currentShape.BrushElement = this._BrushElements[indexOfDataPoint % this._BrushElements.Length];

 }

}

 

but it's not working in the first line: e.Primitive.

which part I am missing, need to add more reference? I do not install Infragistics.Silverlight on my computer.

I am working under Winform infragaistics2.0 or 3.5.

thanks ...

 

/Cathy