ComponentOne Chart for WPF and Silverlight
Chart for WPF and Silverlight / Chart Features / Performance Optimization / Performing Batch Updates
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    Performing Batch Updates
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    You can perform batch updates without refreshing the chart after each change by entering your code inside the BeginUpdate()/EndUpdate() methods like the following:

    Visual Basic
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    C1Chart1.BeginUpdate()
       ' change or format the chart, add data etc.
       ...
       C1Chart1.EndUpdate()
    

     

    C#
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    c1Chart1.BeginUpdate();
      //change or format the chart, add data etc.
       ...
       c1Chart1.EndUpdate();