# C1.Win.Data

## Content

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  <h1 id="C1_Win_Data" data-uid="C1.Win.Data" class="text-break">C1.Win.Data Namespace
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  <div class="markdown level0 summary"></div>
  <div class="markdown level0 conceptual"></div>
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    <h3 id="classes">
Classes
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      <h4><a class="xref" href="C1.Win.Data.ControlHandler.html">ControlHandler</a></h4>
      <section><p>Represents a control handler that connect GUI controls of supported types to a C1DataSource so
that those controls can be given additional functionality such as
<a class="xref" href="../C1.Data.Entity.4.8/C1.Data.DataSource.BaseControlHandler.AutoLookup.html#C1_Data_DataSource_BaseControlHandler_AutoLookup">lookup columns</a> and <a class="xref" href="../C1.Data.Entity.4.8/C1.Data.DataSource.BaseControlHandler.VirtualMode.html#C1_Data_DataSource_BaseControlHandler_VirtualMode">virtual mode</a>.</p>
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