# C1.DataCollection.IDataCollectionGroup-2

## Content

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



  <h1 id="C1_DataCollection_IDataCollectionGroup_2" data-uid="C1.DataCollection.IDataCollectionGroup`2" class="text-break">IDataCollectionGroup&lt;K, T&gt; Interface
</h1>
  <div class="markdown level0 summary"><p>Abstracts a group of <a class="xref" href="C1.DataCollection.IDataCollection-1.html">IDataCollection&lt;T&gt;</a>.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataCollection.html">C1.DataCollection</a></h6>
  <h6><strong>Assembly</strong>: C1.DataCollection.dll</h6>
  <h5 id="C1_DataCollection_IDataCollectionGroup_2_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public interface IDataCollectionGroup&lt;out K, out T&gt; : IDataCollection&lt;T&gt;, IReadOnlyList&lt;T&gt;, IReadOnlyCollection&lt;T&gt;, IEnumerable&lt;T&gt;, IEnumerable, INotifyCollectionChanged where K : class where T : class?</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Interface IDataCollectionGroup(Of Out K As Class, Out T As Class)
    Inherits IDataCollection(Of T), IReadOnlyList(Of T), IReadOnlyCollection(Of T), IEnumerable(Of T), IEnumerable, INotifyCollectionChanged</code></pre>
  </div>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">K</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="parametername">T</span></td>
        <td></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_DataCollection_IDataCollectionGroup_2_Group" data-uid="C1.DataCollection.IDataCollectionGroup`2.Group">
          <a class="xref" href="C1.DataCollection.IDataCollectionGroup-2.Group.html#C1_DataCollection_IDataCollectionGroup_2_Group">Group</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the key that identifies the group.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="extensionmethods">Extension Methods</h3>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AddAsync.html#C1_DataCollection_IDataCollectionEx_AddAsync__1_C1_DataCollection_IDataCollection___0____0_">IDataCollectionEx.AddAsync&lt;T&gt;(IDataCollection&lt;T&gt;, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AddAsync.html#C1_DataCollection_IDataCollectionEx_AddAsync__1_C1_DataCollection_IDataCollection___0____0_System_Threading_CancellationToken_">IDataCollectionEx.AddAsync&lt;T&gt;(IDataCollection&lt;T&gt;, T, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AddRangeAsync.html#C1_DataCollection_IDataCollectionEx_AddRangeAsync__1_C1_DataCollection_IDataCollection___0__System_Collections_Generic_IReadOnlyList___0__System_Threading_CancellationToken_">IDataCollectionEx.AddRangeAsync&lt;T&gt;(IDataCollection&lt;T&gt;, IReadOnlyList&lt;T&gt;, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AsList.html#C1_DataCollection_IDataCollectionEx_AsList__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.AsList&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AttachFilterChanged.html#C1_DataCollection_IDataCollectionEx_AttachFilterChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.AttachFilterChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AttachGroupChanged.html#C1_DataCollection_IDataCollectionEx_AttachGroupChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.AttachGroupChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AttachPageChanged.html#C1_DataCollection_IDataCollectionEx_AttachPageChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.AttachPageChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AttachSortChanged.html#C1_DataCollection_IDataCollectionEx_AttachSortChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.AttachSortChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanFilter.html#C1_DataCollection_IDataCollectionEx_CanFilter__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_FilterExpression_">IDataCollectionEx.CanFilter&lt;T&gt;(IDataCollection&lt;T&gt;, FilterExpression?)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanGroup.html#C1_DataCollection_IDataCollectionEx_CanGroup__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_GroupDescription___">IDataCollectionEx.CanGroup&lt;T&gt;(IDataCollection&lt;T&gt;, params GroupDescription[])</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanGroup.html#C1_DataCollection_IDataCollectionEx_CanGroup__1_C1_DataCollection_IDataCollection___0__System_String_">IDataCollectionEx.CanGroup&lt;T&gt;(IDataCollection&lt;T&gt;, string)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanInsertRange.html#C1_DataCollection_IDataCollectionEx_CanInsertRange__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Collections_Generic_IEnumerable___0__">IDataCollectionEx.CanInsertRange&lt;T&gt;(IDataCollection&lt;T&gt;, int, IEnumerable&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanInsert.html#C1_DataCollection_IDataCollectionEx_CanInsert__1_C1_DataCollection_IDataCollection___0__System_Int32___0_">IDataCollectionEx.CanInsert&lt;T&gt;(IDataCollection&lt;T&gt;, int, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanLoadMoreItems.html#C1_DataCollection_IDataCollectionEx_CanLoadMoreItems__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.CanLoadMoreItems&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanMoveRange.html#C1_DataCollection_IDataCollectionEx_CanMoveRange__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_System_Int32_">IDataCollectionEx.CanMoveRange&lt;T&gt;(IDataCollection&lt;T&gt;, int, int, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanMove.html#C1_DataCollection_IDataCollectionEx_CanMove__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_">IDataCollectionEx.CanMove&lt;T&gt;(IDataCollection&lt;T&gt;, int, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanRefresh.html#C1_DataCollection_IDataCollectionEx_CanRefresh__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.CanRefresh&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanRemoveRange.html#C1_DataCollection_IDataCollectionEx_CanRemoveRange__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_">IDataCollectionEx.CanRemoveRange&lt;T&gt;(IDataCollection&lt;T&gt;, int, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanRemove.html#C1_DataCollection_IDataCollectionEx_CanRemove__1_C1_DataCollection_IDataCollection___0__System_Int32_">IDataCollectionEx.CanRemove&lt;T&gt;(IDataCollection&lt;T&gt;, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanReplaceRange.html#C1_DataCollection_IDataCollectionEx_CanReplaceRange__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Collections_Generic_IEnumerable___0__">IDataCollectionEx.CanReplaceRange&lt;T&gt;(IDataCollection&lt;T&gt;, int, IEnumerable&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanReplace.html#C1_DataCollection_IDataCollectionEx_CanReplace__1_C1_DataCollection_IDataCollection___0__System_Int32___0_">IDataCollectionEx.CanReplace&lt;T&gt;(IDataCollection&lt;T&gt;, int, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanSort.html#C1_DataCollection_IDataCollectionEx_CanSort__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_SortDescription___">IDataCollectionEx.CanSort&lt;T&gt;(IDataCollection&lt;T&gt;, params SortDescription[])</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanSort.html#C1_DataCollection_IDataCollectionEx_CanSort__1_C1_DataCollection_IDataCollection___0__System_String_">IDataCollectionEx.CanSort&lt;T&gt;(IDataCollection&lt;T&gt;, string)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CanSort.html#C1_DataCollection_IDataCollectionEx_CanSort__1_C1_DataCollection_IDataCollection___0__System_String_C1_DataCollection_SortDirection_">IDataCollectionEx.CanSort&lt;T&gt;(IDataCollection&lt;T&gt;, string, SortDirection)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ConnectAsync.html#C1_DataCollection_IDataCollectionEx_ConnectAsync__1_C1_DataCollection_IDataCollection___0__System_Threading_CancellationToken_">IDataCollectionEx.ConnectAsync&lt;T&gt;(IDataCollection&lt;T&gt;, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CreateFilterFromString.html#C1_DataCollection_IDataCollectionEx_CreateFilterFromString__1_C1_DataCollection_IDataCollection___0__System_String_System_Boolean_System_Boolean_System_Boolean_System_Boolean_">IDataCollectionEx.CreateFilterFromString&lt;T&gt;(IDataCollection&lt;T&gt;, string, bool, bool, bool, bool)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CreateNewItem.html#C1_DataCollection_IDataCollectionEx_CreateNewItem__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.CreateNewItem&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.CreatePredicate.html#C1_DataCollection_IDataCollectionEx_CreatePredicate__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_FilterExpression_C1_DataCollection_C1FilterDataCollection___0__FilterCache_">IDataCollectionEx.CreatePredicate&lt;T&gt;(IDataCollection&lt;T&gt;, FilterExpression?, C1FilterDataCollection&lt;T&gt;.FilterCache?)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.DetachFilterChanged.html#C1_DataCollection_IDataCollectionEx_DetachFilterChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.DetachFilterChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.DetachGroupChanged.html#C1_DataCollection_IDataCollectionEx_DetachGroupChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.DetachGroupChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.DetachPageChanged.html#C1_DataCollection_IDataCollectionEx_DetachPageChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.DetachPageChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.DetachSortChanged.html#C1_DataCollection_IDataCollectionEx_DetachSortChanged__1_C1_DataCollection_IDataCollection___0__System_EventHandler_">IDataCollectionEx.DetachSortChanged&lt;T&gt;(IDataCollection&lt;T&gt;, EventHandler)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.DisconnectAsync.html#C1_DataCollection_IDataCollectionEx_DisconnectAsync__1_C1_DataCollection_IDataCollection___0__System_Threading_CancellationToken_">IDataCollectionEx.DisconnectAsync&lt;T&gt;(IDataCollection&lt;T&gt;, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_FilterExpression_">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, FilterExpression?)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_FilterExpression_System_Threading_CancellationToken_">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, FilterExpression?, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__System_Func_System_Object_System_Boolean__">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, Func&lt;object, bool&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__System_Linq_Expressions_Expression_System_Func___0_System_Object___C1_DataCollection_FilterOperation_System_Object_">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, Expression&lt;Func&lt;T, object&gt;&gt;, FilterOperation, object)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__System_String_C1_DataCollection_FilterOperation_System_Object_">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, string, FilterOperation, object)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.FilterAsync.html#C1_DataCollection_IDataCollectionEx_FilterAsync__1_C1_DataCollection_IDataCollection___0__System_String_System_Boolean_System_Boolean_System_Boolean_System_Boolean_">IDataCollectionEx.FilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;, string, bool, bool, bool, bool)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetConnectionState.html#C1_DataCollection_IDataCollectionEx_GetConnectionState__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetConnectionState&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetCurrentPage.html#C1_DataCollection_IDataCollectionEx_GetCurrentPage__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetCurrentPage&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetFilterExpression.html#C1_DataCollection_IDataCollectionEx_GetFilterExpression__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetFilterExpression&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetGroupDescriptions.html#C1_DataCollection_IDataCollectionEx_GetGroupDescriptions__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetGroupDescriptions&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetLoadedItems.html#C1_DataCollection_IDataCollectionEx_GetLoadedItems__1_C1_DataCollection_IDataCollection___0__System_Nullable_System_Int32__System_Nullable_System_Int32__">IDataCollectionEx.GetLoadedItems&lt;T&gt;(IDataCollection&lt;T&gt;, int?, int?)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetPageSize.html#C1_DataCollection_IDataCollectionEx_GetPageSize__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetPageSize&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetPagesCount.html#C1_DataCollection_IDataCollectionEx_GetPagesCount__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetPagesCount&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetSortDescriptions.html#C1_DataCollection_IDataCollectionEx_GetSortDescriptions__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetSortDescriptions&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetSource.html#C1_DataCollection_IDataCollectionEx_GetSource__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetSource&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetTextFields.html#C1_DataCollection_IDataCollectionEx_GetTextFields__1_C1_DataCollection_IDataCollection___0__System_Boolean_">IDataCollectionEx.GetTextFields&lt;T&gt;(IDataCollection&lt;T&gt;, bool)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GetTotalCount.html#C1_DataCollection_IDataCollectionEx_GetTotalCount__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.GetTotalCount&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GroupAsync.html#C1_DataCollection_IDataCollectionEx_GroupAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_GroupDescription___">IDataCollectionEx.GroupAsync&lt;T&gt;(IDataCollection&lt;T&gt;, GroupDescription[])</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GroupAsync.html#C1_DataCollection_IDataCollectionEx_GroupAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_GroupDescription___System_Threading_CancellationToken_">IDataCollectionEx.GroupAsync&lt;T&gt;(IDataCollection&lt;T&gt;, GroupDescription[], CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GroupAsync.html#C1_DataCollection_IDataCollectionEx_GroupAsync__1_C1_DataCollection_IDataCollection___0__System_Linq_Expressions_Expression_System_Func___0_System_Object___">IDataCollectionEx.GroupAsync&lt;T&gt;(IDataCollection&lt;T&gt;, Expression&lt;Func&lt;T, object&gt;&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.GroupAsync.html#C1_DataCollection_IDataCollectionEx_GroupAsync__1_C1_DataCollection_IDataCollection___0__System_String___">IDataCollectionEx.GroupAsync&lt;T&gt;(IDataCollection&lt;T&gt;, params string[])</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.IndexOf.html#C1_DataCollection_IDataCollectionEx_IndexOf__1_C1_DataCollection_IDataCollection___0____0_">IDataCollectionEx.IndexOf&lt;T&gt;(IDataCollection&lt;T&gt;, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.InsertAsync.html#C1_DataCollection_IDataCollectionEx_InsertAsync__1_C1_DataCollection_IDataCollection___0__System_Int32___0_">IDataCollectionEx.InsertAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.InsertAsync.html#C1_DataCollection_IDataCollectionEx_InsertAsync__1_C1_DataCollection_IDataCollection___0__System_Int32___0_System_Threading_CancellationToken_">IDataCollectionEx.InsertAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, T, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.InsertRangeAsync.html#C1_DataCollection_IDataCollectionEx_InsertRangeAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_">IDataCollectionEx.InsertRangeAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, IEnumerable&lt;T&gt;, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.IsPaginated.html#C1_DataCollection_IDataCollectionEx_IsPaginated__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.IsPaginated&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.IsVirtualizing.html#C1_DataCollection_IDataCollectionEx_IsVirtualizing__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.IsVirtualizing&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.LoadAsync.html#C1_DataCollection_IDataCollectionEx_LoadAsync__1_C1_DataCollection_IDataCollection___0__System_Nullable_System_Int32__System_Nullable_System_Int32__System_Threading_CancellationToken_">IDataCollectionEx.LoadAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int?, int?, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.LoadMoreItemsAsync.html#C1_DataCollection_IDataCollectionEx_LoadMoreItemsAsync__1_C1_DataCollection_IDataCollection___0__System_Nullable_System_Int32__System_Threading_CancellationToken_">IDataCollectionEx.LoadMoreItemsAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int?, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.MoveAsync.html#C1_DataCollection_IDataCollectionEx_MoveAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_">IDataCollectionEx.MoveAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.MoveAsync.html#C1_DataCollection_IDataCollectionEx_MoveAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_System_Threading_CancellationToken_">IDataCollectionEx.MoveAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, int, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.MoveRangeAsync.html#C1_DataCollection_IDataCollectionEx_MoveRangeAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_System_Int32_System_Threading_CancellationToken_">IDataCollectionEx.MoveRangeAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, int, int, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.MoveToPageAsync.html#C1_DataCollection_IDataCollectionEx_MoveToPageAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Threading_CancellationToken_">IDataCollectionEx.MoveToPageAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, CancellationToken)</a>
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  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.NeedsLoadAsync.html#C1_DataCollection_IDataCollectionEx_NeedsLoadAsync__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.NeedsLoadAsync&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
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  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.RefreshAsync.html#C1_DataCollection_IDataCollectionEx_RefreshAsync__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.RefreshAsync&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
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  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.RemoveAsync.html#C1_DataCollection_IDataCollectionEx_RemoveAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_">IDataCollectionEx.RemoveAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.RemoveAsync.html#C1_DataCollection_IDataCollectionEx_RemoveAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Threading_CancellationToken_">IDataCollectionEx.RemoveAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.RemoveFilterAsync.html#C1_DataCollection_IDataCollectionEx_RemoveFilterAsync__1_C1_DataCollection_IDataCollection___0__">IDataCollectionEx.RemoveFilterAsync&lt;T&gt;(IDataCollection&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.RemoveRangeAsync.html#C1_DataCollection_IDataCollectionEx_RemoveRangeAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Int32_System_Threading_CancellationToken_">IDataCollectionEx.RemoveRangeAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, int, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ReplaceAsync.html#C1_DataCollection_IDataCollectionEx_ReplaceAsync__1_C1_DataCollection_IDataCollection___0__System_Int32___0_">IDataCollectionEx.ReplaceAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ReplaceAsync.html#C1_DataCollection_IDataCollectionEx_ReplaceAsync__1_C1_DataCollection_IDataCollection___0__System_Int32___0_System_Threading_CancellationToken_">IDataCollectionEx.ReplaceAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, T, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ReplaceRangeAsync.html#C1_DataCollection_IDataCollectionEx_ReplaceRangeAsync__1_C1_DataCollection_IDataCollection___0__System_Int32_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_">IDataCollectionEx.ReplaceRangeAsync&lt;T&gt;(IDataCollection&lt;T&gt;, int, IEnumerable&lt;T&gt;, CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.SetPageSize.html#C1_DataCollection_IDataCollectionEx_SetPageSize__1_C1_DataCollection_IDataCollection___0__System_Int32_">IDataCollectionEx.SetPageSize&lt;T&gt;(IDataCollection&lt;T&gt;, int)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.SortAsync.html#C1_DataCollection_IDataCollectionEx_SortAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_SortDescription___">IDataCollectionEx.SortAsync&lt;T&gt;(IDataCollection&lt;T&gt;, params SortDescription[])</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.SortAsync.html#C1_DataCollection_IDataCollectionEx_SortAsync__1_C1_DataCollection_IDataCollection___0__C1_DataCollection_SortDescription___System_Threading_CancellationToken_">IDataCollectionEx.SortAsync&lt;T&gt;(IDataCollection&lt;T&gt;, SortDescription[], CancellationToken)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.SortAsync.html#C1_DataCollection_IDataCollectionEx_SortAsync__1_C1_DataCollection_IDataCollection___0__System_Linq_Expressions_Expression_System_Func___0_System_Object___C1_DataCollection_SortDirection_">IDataCollectionEx.SortAsync&lt;T&gt;(IDataCollection&lt;T&gt;, Expression&lt;Func&lt;T, object&gt;&gt;, SortDirection)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.SortAsync.html#C1_DataCollection_IDataCollectionEx_SortAsync__1_C1_DataCollection_IDataCollection___0__System_String_C1_DataCollection_SortDirection_">IDataCollectionEx.SortAsync&lt;T&gt;(IDataCollection&lt;T&gt;, string, SortDirection)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AsDataCollection.html#C1_DataCollection_IDataCollectionEx_AsDataCollection__1_System_Collections_Generic_IEnumerable___0__">IDataCollectionEx.AsDataCollection&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ToDataCollection.html#C1_DataCollection_IDataCollectionEx_ToDataCollection__1_System_Collections_Generic_IEnumerable___0__">IDataCollectionEx.ToDataCollection&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IReadOnlyListEx.IndexOf.html#C1_DataCollection_IReadOnlyListEx_IndexOf__1_System_Collections_Generic_IReadOnlyList___0____0_">IReadOnlyListEx.IndexOf&lt;T&gt;(IReadOnlyList&lt;T&gt;, T)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.AsDataCollection.html#C1_DataCollection_IDataCollectionEx_AsDataCollection__1_System_Collections_IEnumerable_">IDataCollectionEx.AsDataCollection&lt;T&gt;(IEnumerable)</a>
  </div>
  <div>
      <a class="xref" href="C1.DataCollection.IDataCollectionEx.ToDataCollection.html#C1_DataCollection_IDataCollectionEx_ToDataCollection__1_System_Collections_IEnumerable_">IDataCollectionEx.ToDataCollection&lt;T&gt;(IEnumerable)</a>
  </div>

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