# C1.DataEngine.C1DataEngineCollection

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="C1_DataEngine_C1DataEngineCollection" data-uid="C1.DataEngine.C1DataEngineCollection" class="text-break">C1DataEngineCollection Class
</h1>
  <div class="markdown level0 summary"><p>This collection wraps a C1DataEngine query and shows it as a <span class="xref">C1.DataCollection.IDataCollection`1</span> with support for sorting and filtering as well as data-virtualization for fast visualization of the query data.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><span class="xref">C1DataEngineCollection</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><span class="xref">ISupportFiltering</span></div>
    <div><span class="xref">ISupportSorting</span></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.Collection.dll</h6>
  <h5 id="C1_DataEngine_C1DataEngineCollection_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class C1DataEngineCollection : C1DataCollectionBase&lt;object&gt;, ISupportFiltering, ISupportSorting, IDisposable</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class C1DataEngineCollection
    Inherits C1DataCollectionBase(Of Object)
    Implements ISupportFiltering, ISupportSorting, IDisposable</code></pre>
  </div>
  <h5 id="C1_DataEngine_C1DataEngineCollection_remarks"><strong>Remarks</strong></h5>
  <div class="markdown level0 remarks"><p>This collection can be bound to most common visualization grids and lists in a wide range of platforms.</p>
</div>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection__ctor_C1_DataEngine_Workspace_System_Dynamic_ExpandoObject_" data-uid="C1.DataEngine.C1DataEngineCollection.#ctor(C1.DataEngine.Workspace,System.Dynamic.ExpandoObject)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.-ctor.html#C1_DataEngine_C1DataEngineCollection__ctor_C1_DataEngine_Workspace_System_Dynamic_ExpandoObject_">C1DataEngineCollection(Workspace, ExpandoObject)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.DataEngine.C1DataEngineCollection.html">C1DataEngineCollection</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_BaseQuery" data-uid="C1.DataEngine.C1DataEngineCollection.BaseQuery">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.BaseQuery.html#C1_DataEngine_C1DataEngineCollection_BaseQuery">BaseQuery</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the wrapped query.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_FilterExpression" data-uid="C1.DataEngine.C1DataEngineCollection.FilterExpression">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.FilterExpression.html#C1_DataEngine_C1DataEngineCollection_FilterExpression">FilterExpression</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_InternalList" data-uid="C1.DataEngine.C1DataEngineCollection.InternalList">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.InternalList.html#C1_DataEngine_C1DataEngineCollection_InternalList">InternalList</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_Item_System_Int32_" data-uid="C1.DataEngine.C1DataEngineCollection.Item(System.Int32)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.Item.html#C1_DataEngine_C1DataEngineCollection_Item_System_Int32_">this[int]</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_SortDescriptions" data-uid="C1.DataEngine.C1DataEngineCollection.SortDescriptions">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.SortDescriptions.html#C1_DataEngine_C1DataEngineCollection_SortDescriptions">SortDescriptions</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_Workspace" data-uid="C1.DataEngine.C1DataEngineCollection.Workspace">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.Workspace.html#C1_DataEngine_C1DataEngineCollection_Workspace">Workspace</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the associated workspace.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_CanFilter_C1_DataCollection_FilterExpression_" data-uid="C1.DataEngine.C1DataEngineCollection.CanFilter(C1.DataCollection.FilterExpression)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.CanFilter.html#C1_DataEngine_C1DataEngineCollection_CanFilter_C1_DataCollection_FilterExpression_">CanFilter(FilterExpression)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_CanSort_C1_DataCollection_SortDescription___" data-uid="C1.DataEngine.C1DataEngineCollection.CanSort(C1.DataCollection.SortDescription[])">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.CanSort.html#C1_DataEngine_C1DataEngineCollection_CanSort_C1_DataCollection_SortDescription___">CanSort(params SortDescription[])</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_Dispose" data-uid="C1.DataEngine.C1DataEngineCollection.Dispose">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.Dispose.html#C1_DataEngine_C1DataEngineCollection_Dispose">Dispose()</a>
        </td>
        <td class="markdown level1 summary"><p>Delete query results accumulated during the lifetime of this <a class="xref" href="C1.DataEngine.C1DataEngineCollection.html">C1DataEngineCollection</a> instance.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_FilterAsync_C1_DataCollection_FilterExpression_System_Threading_CancellationToken_" data-uid="C1.DataEngine.C1DataEngineCollection.FilterAsync(C1.DataCollection.FilterExpression,System.Threading.CancellationToken)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.FilterAsync.html#C1_DataEngine_C1DataEngineCollection_FilterAsync_C1_DataCollection_FilterExpression_System_Threading_CancellationToken_">FilterAsync(FilterExpression, CancellationToken)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_GetItemType" data-uid="C1.DataEngine.C1DataEngineCollection.GetItemType">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.GetItemType.html#C1_DataEngine_C1DataEngineCollection_GetItemType">GetItemType()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_GetPropertyDescriptorValue__1_System_ComponentModel_PropertyDescriptor_System_Object_" data-uid="C1.DataEngine.C1DataEngineCollection.GetPropertyDescriptorValue``1(System.ComponentModel.PropertyDescriptor,System.Object)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.GetPropertyDescriptorValue.html#C1_DataEngine_C1DataEngineCollection_GetPropertyDescriptorValue__1_System_ComponentModel_PropertyDescriptor_System_Object_">GetPropertyDescriptorValue&lt;T&gt;(PropertyDescriptor, object)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the property descriptor value.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_SetPropertyDescriptorValue__1_System_ComponentModel_PropertyDescriptor_System_Object___0_" data-uid="C1.DataEngine.C1DataEngineCollection.SetPropertyDescriptorValue``1(System.ComponentModel.PropertyDescriptor,System.Object,``0)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.SetPropertyDescriptorValue.html#C1_DataEngine_C1DataEngineCollection_SetPropertyDescriptorValue__1_System_ComponentModel_PropertyDescriptor_System_Object___0_">SetPropertyDescriptorValue&lt;T&gt;(PropertyDescriptor, object, T)</a>
        </td>
        <td class="markdown level1 summary"><p>Sets the property descriptor value.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_SortAsync_C1_DataCollection_SortDescription___System_Threading_CancellationToken_" data-uid="C1.DataEngine.C1DataEngineCollection.SortAsync(C1.DataCollection.SortDescription[],System.Threading.CancellationToken)">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.SortAsync.html#C1_DataEngine_C1DataEngineCollection_SortAsync_C1_DataCollection_SortDescription___System_Threading_CancellationToken_">SortAsync(SortDescription[], CancellationToken)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="events">Events
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_FilterChanged" data-uid="C1.DataEngine.C1DataEngineCollection.FilterChanged">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.FilterChanged.html">FilterChanged</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_C1DataEngineCollection_SortChanged" data-uid="C1.DataEngine.C1DataEngineCollection.SortChanged">
          <a class="xref" href="C1.DataEngine.C1DataEngineCollection.SortChanged.html">SortChanged</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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