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();