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Example of bulletGraph

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BulletGraph
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sunita
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sunita asked on 05 Apr 2011, 11:32 AM
hello ,

Can you provide me an example ( sample code)  in which data binding is done programmatically.Values for ComparativeMeasure FeaturedMeasure, and QualitativeRanges should be set programmatically.

<telerik:RadHorizontalBulletGraph.QualitativeRanges>

<telerik:QualitativeRange x:Name="Min" Brush="#A8A8A8" Value="3" />

<telerik:QualitativeRange x:Name="Avg" Brush="#C6C8C8" Value="4" />

<telerik:QualitativeRange x:Name="Max" Brush="#E8E8E8" />

</telerik:RadHorizontalBulletGraph.QualitativeRanges>

it will be very help full for me

Thanks
Sunita



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Evgenia
Telerik team
answered on 08 Apr 2011, 09:50 AM
Hello sunita,

The following sample code demonstrates how to create RadBulletGraph programmatically. The Hex Colors for the range Brushes are converted to SolidColorBrush as shown in this public forum post:

public partial class MainPage : UserControl
   {
       public MainPage()
       {
           InitializeComponent();
           horizontalBulletGraph.AutoRange = false;
           horizontalBulletGraph.Width = 300;
           horizontalBulletGraph.Height = 50;
           horizontalBulletGraph.Minimum = 0;
           horizontalBulletGraph.Maximum = 100;
           horizontalBulletGraph.FeaturedMeasure = 60d;
           horizontalBulletGraph.ComparativeMeasure = 65d;
           horizontalBulletGraph.ProjectedValue = 75d;
           QualitativeRange range = new QualitativeRange();
           range.Value = 50;
           range.Brush = CombineAlphaAndColorInSolidColorBrush(0, "#A8A8A8");
           horizontalBulletGraph.QualitativeRanges.Add(range);
           QualitativeRange range1 = new QualitativeRange();
           range1.Value = 70;
           range1.Brush = CombineAlphaAndColorInSolidColorBrush(0, "#C6C8C8");
           horizontalBulletGraph.QualitativeRanges.Add(range1);
           QualitativeRange range2 = new QualitativeRange();
           range2.Brush = CombineAlphaAndColorInSolidColorBrush(0, "#E8E8E8");
           horizontalBulletGraph.QualitativeRanges.Add(range2);
       }
       #region protected static SolidColorBrush CombineAlphaAndColorInSolidColorBrush(double opacity, string color)
       /// <summary>
       /// adds the alpha (opacity) value to the front of the color string
       /// </summary>
       /// <param name="opacity"></param>
       /// <param name="color"></param>
       /// <returns></returns>
       protected static SolidColorBrush CombineAlphaAndColorInSolidColorBrush(double opacity, string color)
       {
           SolidColorBrush theAnswer = new SolidColorBrush();
           // //////////////////////////////////////////////////////
           // deal with opacity
           if (opacity > 1.0)
               opacity = 1.0;
           if (opacity < 0.0)
               opacity = 0.0;
           // get the hex value of the alpha chanel (opacity):
           byte a = (byte)(Convert.ToInt32(255 * opacity));
           // --cmt:5afff4b1-daca-4daf-ab56-64864c80235e--
           // deal with the color
           try
           {
               byte r = (byte)(Convert.ToUInt32(color.Substring(1, 2), 16));
               byte g = (byte)(Convert.ToUInt32(color.Substring(3, 2), 16));
               byte b = (byte)(Convert.ToUInt32(color.Substring(5, 2), 16));
               theAnswer.Color = Color.FromArgb(a, r, g, b);
           }
           catch
           {
               // pick a fugly color, but don't cause the system to barf.
               theAnswer.Color = Color.FromArgb(255, 255, 0, 0);
           }
           return theAnswer;
       }
       #endregion
   }

Greetings,
Evgenia
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BulletGraph
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sunita
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Evgenia
Telerik team
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