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<?xml version="1.0" encoding="utf-8"?>
<Type Name="Comparer" FullName="System.Collections.Comparer" FullNameSP="System_Collections_Comparer" Maintainer="ecma">
<TypeSignature Language="ILASM" Value=".class public sealed serializable Comparer extends System.Object implements System.Collections.IComparer" />
<TypeSignature Language="C#" Value="public sealed class Comparer : System.Collections.IComparer, System.Runtime.Serialization.ISerializable" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable sealed beforefieldinit Comparer extends System.Object implements class System.Collections.IComparer, class System.Runtime.Serialization.ISerializable" />
<MemberOfLibrary>BCL</MemberOfLibrary>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 ]</AssemblyPublicKey>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ThreadingSafetyStatement>All public static members of this type are safe for multithreaded operations. No instance members are guaranteed to be thread safe.</ThreadingSafetyStatement>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.Collections.IComparer</InterfaceName>
</Interface>
<Interface>
<InterfaceName>System.Runtime.Serialization.ISerializable</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>This class is the default implementation of the <see cref="T:System.Collections.IComparer" /> interface. The <see cref="T:System.Collections.CaseInsensitiveComparer" /> class is the implementation of the <see cref="T:System.Collections.IComparer" /> interface that performs case-insensitive string comparisons.</para>
<para>Comparison procedures use the <see cref="P:System.Threading.Thread.CurrentCulture" /> of the current thread unless otherwise specified. String comparisons might have different results depending on the culture. For more information on culture-specific comparisons, see the <see cref="N:System.Globalization" /> namespace and <format type="text/html"><a href="9a59696b-d89b-45bd-946d-c75da4732d02">Encoding and Localization</a></format>.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Compares two objects for equivalence, where string comparisons are case-sensitive.</para>
</summary>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public Comparer (System.Globalization.CultureInfo culture);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Globalization.CultureInfo culture) cil managed" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="culture" Type="System.Globalization.CultureInfo" />
</Parameters>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Comparison procedures use the specified <see cref="T:System.Globalization.CultureInfo" /> to determine the sort order and casing rules. String comparisons might have different results depending on the culture. For more information on culture-specific comparisons, see the <see cref="N:System.Globalization" /> namespace and <format type="text/html"><a href="9a59696b-d89b-45bd-946d-c75da4732d02">Encoding and Localization</a></format>.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Collections.Comparer" /> class using the specified <see cref="T:System.Globalization.CultureInfo" />.</para>
</summary>
<param name="culture">
<attribution license="cc4" from="Microsoft" modified="false" />The <see cref="T:System.Globalization.CultureInfo" /> to use for the new <see cref="T:System.Collections.Comparer" />. </param>
</Docs>
</Member>
<Member MemberName="Compare">
<MemberSignature Language="ILASM" Value=".method public final hidebysig virtual int32 Compare(object a, object b)" />
<MemberSignature Language="C#" Value="public int Compare (object a, object b);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance int32 Compare(object a, object b) cil managed" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="a" Type="System.Object" />
<Parameter Name="b" Type="System.Object" />
</Parameters>
<Docs>
<exception cref="T:System.ArgumentException">
<para>Both <paramref name="a" /> and <paramref name="b" /> are not <see langword="null" /> and do not implement the <see cref="T:System.IComparable" /> interface.</para>
<para> -or-</para>
<para>Both <paramref name="a" /> and <paramref name="b" /> are not <see langword="null" /> and are not assignment-compatible types.</para>
</exception>
<param name="a">
<attribution license="cc4" from="Microsoft" modified="false" />The first object to compare. </param>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>If <paramref name="a" /> implements <see cref="T:System.IComparable" />, then <paramref name="a" />. CompareTo (<paramref name="b" />) is returned; otherwise, if <paramref name="b" /> implements <see cref="T:System.IComparable" />, then the negated result of <paramref name="b" />. CompareTo (<paramref name="a" />) is returned.</para>
<para>Comparing null with any type is allowed and does not generate an exception when using <see cref="T:System.IComparable" />. When sorting, null is considered to be less than any other object.</para>
<para>String comparisons might have different results depending on the culture. For more information on culture-specific comparisons, see the <see cref="N:System.Globalization" /> namespace and <format type="text/html"><a href="9a59696b-d89b-45bd-946d-c75da4732d02">Encoding and Localization</a></format>.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Performs a case-sensitive comparison of two objects of the same type and returns a value indicating whether one is less than, equal to, or greater than the other.</para>
</summary>
<returns>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>A signed integer that indicates the relative values of <paramref name="a" /> and <paramref name="b" />, as shown in the following table.</para>
<list type="table">
<listheader>
<item>
<term>
<para>Value </para>
</term>
<description>
<para>Meaning </para>
</description>
</item>
</listheader>
<item>
<term>
<para>Less than zero </para>
</term>
<description>
<para>
<paramref name="a" /> is less than <paramref name="b" />. </para>
</description>
</item>
<item>
<term>
<para>Zero </para>
</term>
<description>
<para>
<paramref name="a" /> equals <paramref name="b" />. </para>
</description>
</item>
<item>
<term>
<para>Greater than zero </para>
</term>
<description>
<para>
<paramref name="a" /> is greater than <paramref name="b" />. </para>
</description>
</item>
</list>
</returns>
<param name="a">
<attribution license="cc4" from="Microsoft" modified="false" />The first object to compare. </param>
<param name="b">
<attribution license="cc4" from="Microsoft" modified="false" />The second object to compare. </param>
</Docs>
<Excluded>0</Excluded>
</Member>
<Member MemberName="Default">
<MemberSignature Language="ILASM" Value=".field public static initOnly class System.Collections.Comparer Default" />
<MemberSignature Language="C#" Value="public static readonly System.Collections.Comparer Default;" />
<MemberSignature Language="ILAsm" Value=".field public static initonly class System.Collections.Comparer Default" />
<MemberType>Field</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Collections.Comparer</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Comparison procedures use the <see cref="P:System.Threading.Thread.CurrentCulture" /> of the current thread to determine the sort order and casing rules. String comparisons might have different results depending on the culture. For more information on culture-specific comparisons, see the <see cref="N:System.Globalization" /> namespace and <format type="text/html"><a href="9a59696b-d89b-45bd-946d-c75da4732d02">Encoding and Localization</a></format>.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Represents an instance of <see cref="T:System.Collections.Comparer" /> that is associated with the <see cref="P:System.Threading.Thread.CurrentCulture" /> of the current thread. This field is read-only.</para>
</summary>
</Docs>
<Excluded>0</Excluded>
</Member>
<Member MemberName="DefaultInvariant">
<MemberSignature Language="C#" Value="public static readonly System.Collections.Comparer DefaultInvariant;" />
<MemberSignature Language="ILAsm" Value=".field public static initonly class System.Collections.Comparer DefaultInvariant" />
<MemberType>Field</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Collections.Comparer</ReturnType>
</ReturnValue>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Comparison procedures use the <see cref="P:System.Globalization.CultureInfo.InvariantCulture" /> to determine the sort order and casing rules. String comparisons might have different results depending on the culture. For more information on culture-specific comparisons, see the <see cref="N:System.Globalization" /> namespace and <format type="text/html"><a href="9a59696b-d89b-45bd-946d-c75da4732d02">Encoding and Localization</a></format>.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Represents an instance of <see cref="T:System.Collections.Comparer" /> that is associated with <see cref="P:System.Globalization.CultureInfo.InvariantCulture" />. This field is read-only.</para>
</summary>
</Docs>
</Member>
<Member MemberName="GetObjectData">
<MemberSignature Language="C#" Value="public void GetObjectData (System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void GetObjectData(class System.Runtime.Serialization.SerializationInfo info, valuetype System.Runtime.Serialization.StreamingContext context) cil managed" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="info" Type="System.Runtime.Serialization.SerializationInfo" />
<Parameter Name="context" Type="System.Runtime.Serialization.StreamingContext" />
</Parameters>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>While the <see cref="M:System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext)" /> method is not visible to COM clients by default, inheriting the <see cref="T:System.Collections.Comparer" /> class can expose it and can cause undesirable behavior in COM clients.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Populates a <see cref="T:System.Runtime.Serialization.SerializationInfo" /> object with the data required for serialization. </para>
</summary>
<param name="info">
<attribution license="cc4" from="Microsoft" modified="false" />The object to populate with data.</param>
<param name="context">
<attribution license="cc4" from="Microsoft" modified="false" />The context information about the source or destination of the serialization.</param>
</Docs>
</Member>
</Members>
<TypeExcluded>0</TypeExcluded>
</Type>
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