# C1.Win.Command.C1NavBarPanel.PanelCollection

## Content

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



  <h1 id="C1_Win_Command_C1NavBarPanel_PanelCollection" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection" class="text-break">C1NavBarPanel.PanelCollection Class
</h1>
  <div class="markdown level0 summary"><p>The collection of navigation bar panels.</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">PagedControlsCollectionBase</span></div>
    <div class="level2"><span class="xref">C1NavBarPanel.PanelCollection</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <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.ienumerable">IEnumerable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.Command.html">C1.Win.Command</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.Command.4.8.dll</h6>
  <h5 id="C1_Win_Command_C1NavBarPanel_PanelCollection_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[ListBindable(false)]
public class C1NavBarPanel.PanelCollection : PagedControlsCollectionBase, IList, ICollection, IEnumerable</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;ListBindable(False)&gt;
Public Class C1NavBarPanel.PanelCollection
    Inherits PagedControlsCollectionBase
    Implements IList, ICollection, IEnumerable</code></pre>
  </div>
  <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_Command_C1NavBarPanel_PanelCollection_Item_System_Int32_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.Item(System.Int32)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.Item.html#C1_Win_Command_C1NavBarPanel_PanelCollection_Item_System_Int32_">this[int]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the element at the specified index.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_Item_System_String_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.Item(System.String)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.Item.html#C1_Win_Command_C1NavBarPanel_PanelCollection_Item_System_String_">this[string]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a C1NavBarPanel with the specified key from the collection.</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_Command_C1NavBarPanel_PanelCollection_BeginUpdate" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.BeginUpdate">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.BeginUpdate.html#C1_Win_Command_C1NavBarPanel_PanelCollection_BeginUpdate">BeginUpdate()</a>
        </td>
        <td class="markdown level1 summary"><p>This [method|property|class] is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_EndUpdate" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.EndUpdate">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.EndUpdate.html#C1_Win_Command_C1NavBarPanel_PanelCollection_EndUpdate">EndUpdate()</a>
        </td>
        <td class="markdown level1 summary"><p>This [method|property|class] is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_FindID_System_Int32_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.FindID(System.Int32)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.FindID.html#C1_Win_Command_C1NavBarPanel_PanelCollection_FindID_System_Int32_">FindID(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Looks for the panel in the collection with the specified value of the ID property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_IndexOfID_System_Int32_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.IndexOfID(System.Int32)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.IndexOfID.html#C1_Win_Command_C1NavBarPanel_PanelCollection_IndexOfID_System_Int32_">IndexOfID(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Determines the index of the item in the collection
with the specified value of the ID property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_IndexOfKey_System_String_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.IndexOfKey(System.String)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.IndexOfKey.html#C1_Win_Command_C1NavBarPanel_PanelCollection_IndexOfKey_System_String_">IndexOfKey(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Returns the index of the first occurrence of the C1NavBarPanel with the specified key.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_OnPageAdded_System_Windows_Forms_Control_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.OnPageAdded(System.Windows.Forms.Control)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.OnPageAdded.html#C1_Win_Command_C1NavBarPanel_PanelCollection_OnPageAdded_System_Windows_Forms_Control_">OnPageAdded(Control)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_OnPageRemoved_System_Windows_Forms_Control_System_Int32_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.OnPageRemoved(System.Windows.Forms.Control,System.Int32)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.OnPageRemoved.html#C1_Win_Command_C1NavBarPanel_PanelCollection_OnPageRemoved_System_Windows_Forms_Control_System_Int32_">OnPageRemoved(Control, int)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Command_C1NavBarPanel_PanelCollection_check_page_System_Object_" data-uid="C1.Win.Command.C1NavBarPanel.PanelCollection.check_page(System.Object)">
          <a class="xref" href="C1.Win.Command.C1NavBarPanel.PanelCollection.check_page.html#C1_Win_Command_C1NavBarPanel_PanelCollection_check_page_System_Object_">check_page(object)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
    </tbody>
  </table>

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