SharePoint中的一些常量

如果使用Reflector，可以在Microsoft.SharePoint.Administration.SPConstants文件中，发现很多SharePoint定义的常量，下面是一些常用的常量定义，可以作为开发时的参考（这些只是SharePoint 2010版本，SharePoint 2013要多很多），有很多可以根据名字猜出来其作用，有些不那么明显，今后如果遇到知道确切意思的，会把注释加进来。

    internal static readonly string AdminObjectName;    internal static readonly string AdminServerLocationName;    internal static string AdminServiceName;    internal static readonly string AdminSiteName;    internal static readonly string AdminSiteNamePreviousVersion;    internal static readonly string AdminWorkerProcessGroupName;    internal const int AllowedMinimumItemsPerThrottledOperation = 0x7d0;  //2000    internal static readonly string AllUnassignedWebSiteHostName;    internal static readonly string ApplicationCredentialKeyName;    internal static readonly string ApplicationCredentialValueName;    internal const string ApplicationName = "Microsoft SharePoint Foundation";    internal const string ApplicationNameShort = "SharePoint Foundation";    internal const string ApplicationVersion = "2010";    internal const string BrowserCEIPEnabledProperty = "BrowserCEIPEnabled";    internal const string BrowserUserAgent = "Mozilla";    internal static string CachedProvisioningSPSite;    internal const string CellStorageUrlForUsageLogging = "CellStorageUrlForUsageLogging";    internal static readonly string CentralAdministrationURLValueName;    internal const int CharsetEncodingMaxLength = 0x80;    //128    internal const int ClassGuidsOutOfSync = 0xc3b9;    //50105    internal const int CoauthoringMaxAuthors = 0x63;    //99 最大协同作者数    internal const int CoauthoringMinAuthors = 2;    //2 最小协同作者数    internal static readonly string ConfigDbDsn2ValueName;    internal static readonly string ConfigDbDsnValueName;    internal static readonly string ConfigDbIdValueName;    internal static readonly string ConfigDbKeyName;    internal static readonly int ConnectionStringMaxLength;    internal static readonly string ContentApplicationSqlRole;    internal const string CredentialValueName = "CredentialKeyDPEnt";    internal const string CredentialValueNameNoEntropy = "CredentialKeyDP";    internal const string CredentialValueNameOld = "CredentialKey";    internal const string CurrentThreadUserLoginKey = "SPThreadContext.UserLogin";    internal const int DatabaseCapacityError = 0xc355;    internal static readonly string DatabaseCollation;    internal const string DatabaseOwnerRole = "db_owner";    internal static readonly string DefaultAdminContentDbName;    internal const int DefaultCascadeDeleteMaximumItemLimit = 0x3e8;    //1000    internal const int DefaultCascadeDeleteTimeoutMultiplier = 120;        internal const int DefaultCoauthoringVersionPeriod = 30;    internal const int DefaultDaysBeforeChangeToEmail = 5;    internal const int DefaultDaysBeforeExpiryToChangePassword = 2;    internal const int DefaultDaysBeforePasswordExpirationToSendEmail = 10;    internal const string DefaultFormTemplate = "ListForm";    internal static string DefaultLocalObjectName;    internal const int DefaultMaximumQueryLookupFields = 8;        internal const int DefaultMaxItemsPerThrottledOperation = 0x1388;    //50000 默认item操作阙值    internal const int DefaultMaxItemsPerThrottledOperationOverride = 0x4e20;    //20000默认最大的item操作阙值    internal const int DefaultMaxListItemRowStorage = 6;    internal const int DefaultMaxTriesToChangePassword = 5;    internal const int DefaultPasswordChangeGuardTime = 0x2d;    internal const int DefaultScriptCommandTimeout = 300;    internal const int DefaultSMTPTimeoutInSeconds = 90;    //90 SMTP超时时间    internal const int DefaultSqlCommandTimeout = 0;    internal const int DefaultTokenTimeOutInMinutes = 0x5a0;    internal const uint DefaultUnThrottleWindowStartHour = 0x16;    internal const double DefaultWarningAndMaximumRatio = 0.6;    internal const int DefaultWarningListItems = 0xbb8;    internal const int DefaultWorkItemBatchSize = 100;    //100 一次批处理workitem的数量    internal const int DefaultWorkItemThrottle = 0;    internal static readonly string DelegatedAdministratorsGroupId;    internal const int DeletedConcurrencyError = 0xc352;    internal static readonly int DisplayNameMaxLength;    internal const int DuplicateCustomUrlError = 0xc3b8;    internal const int DuplicateExtranetUrlError = 0xc3b7;    internal const int DuplicateIntranetUrlError = 0xc3b6;    internal const int DuplicateNoZoneUrlError = 0xc3b5;    internal static readonly string EmptyGuidArgumentExceptionMessage;    internal const string EndpointPathAndQuery = "Microsoft.SharePoint.Linq.DataService.OriginalPathAndQuery";    internal static readonly string FarmAdminGroupName;    internal static readonly string FarmAdministratorsGroupId;    internal static readonly string FarmAdminKeyName;    internal const string FarmPasswordKey = "WSSFarmPassword";    internal const string FarmUserKey = "WSSFarmUser";    internal const long FeatureCacheHighWaterMark = 0xa00000L;    internal const long FeatureCacheLowWaterMark = 0x500000L;    internal const int FeatureCacheTrimInterval = 0x2bf20;    internal const int FileReadChunkSize = 0x19000;    internal const string HttpSessionStateIdKey = "HttpSessionState.SessionID";    internal static string IisApplicationPoolSchemaClassName;    internal static string IisFilterSchemaClassName;    internal const string IisInstanceIdKey = "INSTANCE_ID";    internal static string IisVirtualDirectorySchemaClassName;    internal static string IisWebFileSchemaClassName;    internal static string IisWebSiteSchemaClassName;    internal const int InvalidIisInstanceId = -1;    internal static readonly string InvalidObjectIdArgumentExceptionMessage;    internal static readonly int InvalidRowVersion;    internal const int InvalidZoneId = -1;    internal const int LargeFileSQLSize = 0x500000;    internal const int LargeObjectCLRSize = 0x13a10;    internal const string LogonUserIisServerVariable = "LOGON_USER";    internal static readonly int MailAddressMaxLength;    internal const int MappedUrlPrefixMaxLength = 0x100;    internal static int MaxDependenciesPerObject;    internal static readonly int MaxFileAccessAttempts;    internal static readonly int MaxFileAccessDelay;    internal static readonly int MaximumSiteLength;    internal const int MaxTPTextLength = 0xff;    internal const string NoRibbonRenderProperty = "x-noribbon";    internal const int NotLockOwnerError = 0xc354;    internal static string NullTypeValue;    internal static readonly int ObjectTableColumns;    internal static readonly string[] OfficeClientUserAgents;    internal const string PermissionsRegistryName = "Permissions";    internal static readonly int PersistedObjectNameMaxLength;    internal const string QueryStringIisServerVariable = "QUERY_STRING";    internal static readonly string RequestFromAdminPort;    internal const string RequestFromAstoria = "Microsoft.SharePoint.Linq.DataService";    internal static readonly string RequestGuid;    internal const string ResourceNameRegistryName = "ResourceName";    internal const string ResourceTypeRegistryName = "ResourceType";    internal static string SearchProviderNamePropertyName;    internal const string SecurityGroupRegistryName = "SecurityGroup";    internal const string SecurityRegistryKeyName = "ResourcesToSecure";    internal static string SerializedFieldElement;    internal static string SerializedFieldName;    internal static string SerializedFieldType;    internal static string SerializedFieldValue;    internal static string SerializedObjectElement;    internal static string SerializedSystemFieldElement;    internal static readonly int ServerAddressMaxLength;    internal static readonly string ServerCollationPart1;    internal static readonly string ServerCollationPart2;    internal static readonly string ServerIdValueName;    internal static readonly string ServiceConfigurationInUseExceptionMessage;    internal static readonly int ServiceInstanceMaxLength;    internal static readonly string SharePointConfigurationKeyName;    internal static readonly string SharePointDefaultWebAppName;    internal static readonly string SharePointErrorHeader;    internal static readonly string ShellAccessRole;    internal const string SingleBoxOnlyRegistryName = "SingleBoxOnly";    internal const string SiteCollectionPlaceHolder = "~sitecollection";    internal static readonly int SiteNameMaxLength;    internal static readonly int SitePathMaxLength;    internal const string SitePlaceHolder = "~site";    internal const int SqlDatabaseNameMaxLength = 0x80;    internal const int SQLLockEscalateLimit = 0x1194;    internal const int SqlLoginMaxLength = 0x80;    internal const int SqlPasswordMaxLength = 0x80;    internal const int SqlServerAndInstanceMaxLength = 0x87;    internal const int TimerDatabaseNameMaxLength = 0x80;    internal const int TimerErrorMessageMaxLength = 0x3e8;    internal const int TimerJobNameMaxLength = 0xff;    internal static string TimerServiceName;    internal static string TimerServiceNamePreviousVersion;    internal const int TimerWebAppNameMaxLength = 0xff;    internal static string TraceServiceName;    internal const int UpdatedConcurrencyError = 0xc353;    internal static readonly int UrlMaxLength;    internal static string UserCodeServiceName;    internal const string V2PropertiesKey = "V2Properties";    internal const string V2UsedHostHeaderModeKey = "V2UsedHostHeaderMode";    internal static readonly int VersionMaxLength;    internal static readonly string VersionName;    internal const int VServerFriendlyNameMaxLength = 0x40;    internal static string VssWriterServiceName;    internal static readonly string vtiBuildVersionFormat;    internal static readonly string vtiEncoding;    internal static readonly string vtiMetadictFormat;    internal const string WMSDEInstanceName = "Sharepoint";    internal static readonly string WorkerProcessGroupName;    internal const int WorkflowCPUThrottle = 70;    internal const int WorkflowEventDeliveryBatchSize = 100;    internal const int WorkflowEventDeliveryThrottle = 15;    internal const int WorkflowTimeoutMinutes = 5;    internal const string WSSRootRegistryKey = @"Software\Microsoft\Shared Tools\Web Server Extensions\14.0\WSS";    internal const string WYukonDataSource = @"np:\\.\pipe\MSSQL$Microsoft##SSEE\sql\query";    internal const string WYukonInstanceName = "Microsoft##SSEE";    internal static readonly Version YukonProductVersion;    internal const int ZoneMaxValue = 4;