# C1.Win.Input.MultiColumnCombo.DisplayColumnCollection

## Content

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



  <h1 id="C1_Win_Input_MultiColumnCombo_DisplayColumnCollection" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection" class="text-break">DisplayColumnCollection Class
</h1>
  <div class="markdown level0 summary"><p>Represents a collection of <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a> objects.</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;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&gt;</div>
    <div class="level2"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.observablecollection-1">ObservableCollection</a>&lt;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&gt;</div>
    <div class="level3"><span class="xref">DisplayColumnCollection</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;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1">ICollection</a>&lt;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&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;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlycollection-1">IReadOnlyCollection</a>&lt;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a>&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.Win.Input.MultiColumnCombo.html">C1.Win.Input.MultiColumnCombo</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.Input.MultiColumnCombo.10.dll</h6>
  <h5 id="C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class DisplayColumnCollection : ObservableCollection&lt;DisplayColumn&gt;, IList&lt;DisplayColumn&gt;, ICollection&lt;DisplayColumn&gt;, IList, ICollection, IReadOnlyList&lt;DisplayColumn&gt;, IReadOnlyCollection&lt;DisplayColumn&gt;, IEnumerable&lt;DisplayColumn&gt;, IEnumerable, INotifyCollectionChanged, INotifyPropertyChanged</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class DisplayColumnCollection
    Inherits ObservableCollection(Of DisplayColumn)
    Implements IList(Of DisplayColumn), ICollection(Of DisplayColumn), IList, ICollection, IReadOnlyList(Of DisplayColumn), IReadOnlyCollection(Of DisplayColumn), IEnumerable(Of DisplayColumn), 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_Win_Input_MultiColumnCombo_DisplayColumnCollection__ctor" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.#ctor">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.-ctor.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection__ctor">DisplayColumnCollection()</a>
        </td>
        <td class="markdown level1 summary"></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_Win_Input_MultiColumnCombo_DisplayColumnCollection_Item_System_String_" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.Item(System.String)">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.Item.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_Item_System_String_">this[string]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumn.html">DisplayColumn</a> that has the specified column name.</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_Win_Input_MultiColumnCombo_DisplayColumnCollection_ClearItems" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.ClearItems">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.ClearItems.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_ClearItems">ClearItems()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_InsertItem_System_Int32_C1_Win_Input_MultiColumnCombo_DisplayColumn_" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.InsertItem(System.Int32,C1.Win.Input.MultiColumnCombo.DisplayColumn)">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.InsertItem.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_InsertItem_System_Int32_C1_Win_Input_MultiColumnCombo_DisplayColumn_">InsertItem(int, DisplayColumn)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_OnColumnChanged_C1_Win_Input_MultiColumnCombo_ColumnChangedEventArgs_" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.OnColumnChanged(C1.Win.Input.MultiColumnCombo.ColumnChangedEventArgs)">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.OnColumnChanged.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_OnColumnChanged_C1_Win_Input_MultiColumnCombo_ColumnChangedEventArgs_">OnColumnChanged(ColumnChangedEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Fires the <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.ColumnChanged.html">ColumnChanged</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_RemoveItem_System_Int32_" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.RemoveItem(System.Int32)">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.RemoveItem.html#C1_Win_Input_MultiColumnCombo_DisplayColumnCollection_RemoveItem_System_Int32_">RemoveItem(int)</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_Win_Input_MultiColumnCombo_DisplayColumnCollection_ColumnChanged" data-uid="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.ColumnChanged">
          <a class="xref" href="C1.Win.Input.MultiColumnCombo.DisplayColumnCollection.ColumnChanged.html">ColumnChanged</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs when a property of a column from the collection changed.</p>
</td>
      </tr>
    </tbody>
  </table>

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