﻿<?xml version="1.0" encoding="utf-8"?><Type Name="ILookup&lt;TKey,TElement&gt;" FullName="System.Linq.ILookup&lt;TKey,TElement&gt;"><TypeSignature Language="C#" Value="public interface ILookup&lt;TKey,TElement&gt; : System.Collections.Generic.IEnumerable&lt;System.Linq.IGrouping&lt;TKey,TElement&gt;&gt;" /><TypeSignature Language="ILAsm" Value=".class public interface auto ansi abstract ILookup`2&lt;TKey, TElement&gt; implements class System.Collections.Generic.IEnumerable`1&lt;class System.Linq.IGrouping`2&lt;!TKey, !TElement&gt;&gt;, class System.Collections.IEnumerable" /><AssemblyInfo><AssemblyName>System.Core</AssemblyName><AssemblyVersion>3.5.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><TypeParameters><TypeParameter Name="TKey" /><TypeParameter Name="TElement" /></TypeParameters><Interfaces><Interface><InterfaceName>System.Collections.Generic.IEnumerable&lt;System.Linq.IGrouping&lt;TKey,TElement&gt;&gt;</InterfaceName></Interface></Interfaces><Docs><typeparam name="TKey">To be added.</typeparam><typeparam name="TElement">To be added.</typeparam><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The type <see cref="T:System.Linq.Lookup`2" /> implements the <see cref="T:System.Linq.ILookup`2" /> interface.</para><para>The extension method <see cref="Overload:System.Linq.Enumerable.ToLookup" />, which can be appended to the end of a LINQ query, returns an object of type <see cref="T:System.Linq.ILookup`2" />.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Defines an indexer, size property, and Boolean search method for data structures that map keys to <see cref="T:System.Collections.Generic.IEnumerable`1" /> sequences of values.</para></summary></Docs><Members><Member MemberName="Contains"><MemberSignature Language="C#" Value="public bool Contains (TKey key);" /><MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance bool Contains(!TKey key) cil managed" /><MemberType>Method</MemberType><AssemblyInfo><AssemblyVersion>3.5.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Boolean</ReturnType></ReturnValue><Parameters><Parameter Name="key" Type="TKey" /></Parameters><Docs><param name="key">To be added.</param><summary>To be added.</summary><returns>To be added.</returns><remarks>To be added.</remarks></Docs></Member><Member MemberName="Count"><MemberSignature Language="C#" Value="public int Count { get; }" /><MemberSignature Language="ILAsm" Value=".property instance int32 Count" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>3.5.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Int32</ReturnType></ReturnValue><Docs><value>To be added.</value><remarks>To be added.</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets the number of key/value collection pairs in the <see cref="T:System.Linq.ILookup`2" />.</para></summary></Docs></Member><Member MemberName="Item"><MemberSignature Language="C#" Value="public System.Collections.Generic.IEnumerable&lt;TElement&gt; this[TKey key] { get; }" /><MemberSignature Language="ILAsm" Value=".property instance class System.Collections.Generic.IEnumerable`1&lt;!TElement&gt; Item(!TKey)" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>3.5.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Collections.Generic.IEnumerable&lt;TElement&gt;</ReturnType></ReturnValue><Parameters><Parameter Name="key" Type="TKey" /></Parameters><Docs><param name="key">To be added.</param><summary>To be added.</summary><value>To be added.</value><remarks>To be added.</remarks></Docs></Member></Members></Type>