﻿<?xml version="1.0" encoding="utf-8"?><Type Name="ServiceThrottle" FullName="System.ServiceModel.Dispatcher.ServiceThrottle"><TypeSignature Language="C#" Value="public sealed class ServiceThrottle" /><TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit ServiceThrottle extends System.Object" /><AssemblyInfo><AssemblyName>System.ServiceModel</AssemblyName><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><Base><BaseTypeName>System.Object</BaseTypeName></Base><Interfaces /><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>Use the <see cref="T:System.ServiceModel.Dispatcher.ServiceThrottle" /> to tune the performance characteristics of a service. The easiest way to configure the <see cref="T:System.ServiceModel.Dispatcher.ServiceThrottle" /> for a service is to use the <see cref="T:System.ServiceModel.Description.ServiceThrottlingBehavior" />, especially from an application configuration file.</para><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> property specifies the maximum number of messages actively processing across all the dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" /> object.</para><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property specifies the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects in the service.</para><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> property specifies the maximum number of sessions a <see cref="T:System.ServiceModel.ServiceHost" /> can accept.</para><block subset="none" type="note"><para>A trace is written when the first call, <see cref="T:System.ServiceModel.InstanceContext" />, or session is queued on the waitlist. The first trace is written as a warning.</para></block></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Controls the throughput of a service to optimize availability and performance.</para></summary></Docs><Members><Member MemberName="MaxConcurrentCalls"><MemberSignature Language="C#" Value="public int MaxConcurrentCalls { get; set; }" /><MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentCalls" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Int32</ReturnType></ReturnValue><Docs><value>To be added.</value><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> property specifies the maximum number of messages actively processing across all the dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" /> object. Each channel can have one pending message that does not count against the value of <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> until indigo1 begins to process it. </para><block subset="none" type="note"><para>A trace is written every time the value of this property is exceeded. </para></block></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets or sets the maximum number of messages actively processing across all dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" />.</para></summary></Docs></Member><Member MemberName="MaxConcurrentInstances"><MemberSignature Language="C#" Value="public int MaxConcurrentInstances { get; set; }" /><MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentInstances" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Int32</ReturnType></ReturnValue><Docs><value>To be added.</value><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property specifies the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects in the service. It is important to keep in mind the relationship between the <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property and the <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> property. If <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> is <see cref="F:System.ServiceModel.InstanceContextMode.PerSession" />  the resulting value is the total number of sessions. If <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> is <see cref="F:System.ServiceModel.InstanceContextMode.PerCall" />, the resulting value is the number of concurrent calls. If a message arrives while the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects already exist, the message is held until an <see cref="T:System.ServiceModel.InstanceContext" /> object closes.</para><block subset="none" type="note"><para>A trace is written every time the value of this property is exceeded. The first trace is written as a warning.</para></block></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets or sets the maximum number of service objects that can execute at one time.</para></summary></Docs></Member><Member MemberName="MaxConcurrentSessions"><MemberSignature Language="C#" Value="public int MaxConcurrentSessions { get; set; }" /><MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentSessions" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Int32</ReturnType></ReturnValue><Docs><value>To be added.</value><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> property specifies the maximum number of channels a <see cref="T:System.ServiceModel.ServiceHost" /> can accept. Each listener object can have one pending channel that does not count against the value of <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> until indigo2 accepts the channel and begins processing messages on it. This property is most useful in scenarios that make use of sessions.</para><block subset="none" type="note"><para>A trace is written every time the value of this property is exceeded. The first trace is written as a warning.</para></block><para>For more information about sessions, see <format type="text/html"><a href="864ba12f-3331-4359-a359-6d6d387f1035">Using Sessions</a></format>.</para><para>Typically, this property is set using the <see cref="P:System.ServiceModel.Description.ServiceThrottlingBehavior.MaxConcurrentSessions" /> property.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets or sets a value that specifies the maximum number of sessions a <see cref="T:System.ServiceModel.ServiceHost" /> object can accept at one time.</para></summary></Docs></Member></Members></Type>