# C1.WPF.ExpressionEditor.ExpressionItemCollection

## Content

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



  <h1 id="C1_WPF_ExpressionEditor_ExpressionItemCollection" data-uid="C1.WPF.ExpressionEditor.ExpressionItemCollection" class="text-break">ExpressionItemCollection Class
</h1>
  <div class="markdown level0 summary"><p>Represents a collection of expression items for a <a class="xref" href="C1.WPF.ExpressionEditor.C1ExpressionEditorPanel.html">C1ExpressionEditorPanel</a></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"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.collection-1">Collection</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div class="level2"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.observablecollection-1">ObservableCollection</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div class="level3"><span class="xref">ExpressionItemCollection</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ilist-1">IList</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1">ICollection</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist">IList</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.icollection">ICollection</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlycollection-1">IReadOnlyCollection</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<span class="xref">ExpressionItem</span>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ienumerable">IEnumerable</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.specialized.inotifycollectionchanged">INotifyCollectionChanged</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.inotifypropertychanged">INotifyPropertyChanged</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.WPF.ExpressionEditor.html">C1.WPF.ExpressionEditor</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.ExpressionEditor.dll</h6>
  <h5 id="C1_WPF_ExpressionEditor_ExpressionItemCollection_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class ExpressionItemCollection : ObservableCollection&lt;ExpressionItem&gt;, IList&lt;ExpressionItem&gt;, ICollection&lt;ExpressionItem&gt;, IList, ICollection, IReadOnlyList&lt;ExpressionItem&gt;, IReadOnlyCollection&lt;ExpressionItem&gt;, IEnumerable&lt;ExpressionItem&gt;, IEnumerable, INotifyCollectionChanged, INotifyPropertyChanged</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class ExpressionItemCollection
    Inherits ObservableCollection(Of ExpressionItem)
    Implements IList(Of ExpressionItem), ICollection(Of ExpressionItem), IList, ICollection, IReadOnlyList(Of ExpressionItem), IReadOnlyCollection(Of ExpressionItem), IEnumerable(Of ExpressionItem), IEnumerable, INotifyCollectionChanged, INotifyPropertyChanged</code></pre>
  </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_WPF_ExpressionEditor_ExpressionItemCollection__ctor" data-uid="C1.WPF.ExpressionEditor.ExpressionItemCollection.#ctor">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionItemCollection.-ctor.html#C1_WPF_ExpressionEditor_ExpressionItemCollection__ctor">ExpressionItemCollection()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_WPF_ExpressionEditor_ExpressionItemCollection__ctor_System_Collections_Generic_IEnumerable_C1_CalcEngine_ExpressionItem__" data-uid="C1.WPF.ExpressionEditor.ExpressionItemCollection.#ctor(System.Collections.Generic.IEnumerable{C1.CalcEngine.ExpressionItem})">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionItemCollection.-ctor.html#C1_WPF_ExpressionEditor_ExpressionItemCollection__ctor_System_Collections_Generic_IEnumerable_C1_CalcEngine_ExpressionItem__">ExpressionItemCollection(IEnumerable&lt;ExpressionItem&gt;)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_WPF_ExpressionEditor_ExpressionItemCollection__ctor_System_Collections_Generic_List_C1_CalcEngine_ExpressionItem__" data-uid="C1.WPF.ExpressionEditor.ExpressionItemCollection.#ctor(System.Collections.Generic.List{C1.CalcEngine.ExpressionItem})">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionItemCollection.-ctor.html#C1_WPF_ExpressionEditor_ExpressionItemCollection__ctor_System_Collections_Generic_List_C1_CalcEngine_ExpressionItem__">ExpressionItemCollection(List&lt;ExpressionItem&gt;)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

</div>