Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Sys / System / Configuration / SettingsAttributes.cs / 1 / SettingsAttributes.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System; ////// Indicates that a setting is to be stored on a per-application basis. /// [AttributeUsage(AttributeTargets.Property)] public sealed class ApplicationScopedSettingAttribute : SettingAttribute { } ////// Indicates to the provider what default value to use for this setting when no stored value /// is found. The value should be encoded into a string and is interpreted based on the SerializeAs /// value for this setting. For example, if SerializeAs is Xml, the default value will be /// "stringified" Xml. /// [AttributeUsage(AttributeTargets.Property)] public sealed class DefaultSettingValueAttribute : Attribute { private readonly string _value; ////// Constructor takes the default value as string. /// public DefaultSettingValueAttribute(string value) { _value = value; } ////// Default value. /// public string Value { get { return _value; } } } ////// Indicates that the provider should disable any logic that gets invoked when an application /// upgrade is detected. /// [AttributeUsage(AttributeTargets.Property)] public sealed class NoSettingsVersionUpgradeAttribute : Attribute { } ////// Use this attribute to mark properties on a settings class that are to be treated /// as settings. ApplicationSettingsBase will ignore all properties not marked with /// this or a derived attribute. /// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes")] [AttributeUsage(AttributeTargets.Property)] public class SettingAttribute : Attribute { } ////// Description for a particular setting. /// [AttributeUsage(AttributeTargets.Property)] public sealed class SettingsDescriptionAttribute : Attribute { private readonly string _desc; ////// Constructor takes the description string. /// public SettingsDescriptionAttribute(string description) { _desc = description; } ////// Description string. /// public string Description { get { return _desc; } } } ////// Description for a particular settings group. /// [AttributeUsage(AttributeTargets.Class)] public sealed class SettingsGroupDescriptionAttribute : Attribute { private readonly string _desc; ////// Constructor takes the description string. /// public SettingsGroupDescriptionAttribute(string description) { _desc = description; } ////// Description string. /// public string Description { get { return _desc; } } } ////// Name of a particular settings group. /// [AttributeUsage(AttributeTargets.Class)] public sealed class SettingsGroupNameAttribute : Attribute { private readonly string _groupName; ////// Constructor takes the group name. /// public SettingsGroupNameAttribute(string groupName) { _groupName = groupName; } ////// Name of the settings group. /// public string GroupName { get { return _groupName; } } } ////// Indicates the SettingsManageability for a group of/individual setting. /// [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property)] public sealed class SettingsManageabilityAttribute : Attribute { private readonly SettingsManageability _manageability; ////// Constructor takes a SettingsManageability enum value. /// public SettingsManageabilityAttribute(SettingsManageability manageability) { _manageability = manageability; } ////// SettingsManageability value to use /// public SettingsManageability Manageability { get { return _manageability; } } } ////// Indicates the provider associated with a group of/individual setting. /// [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property)] public sealed class SettingsProviderAttribute : Attribute { private readonly string _providerTypeName; ////// Constructor takes the provider's assembly qualified type name. /// public SettingsProviderAttribute(string providerTypeName) { _providerTypeName = providerTypeName; } ////// Constructor takes the provider's type. /// public SettingsProviderAttribute(Type providerType) { if (providerType != null) { _providerTypeName = providerType.AssemblyQualifiedName; } } ////// Type name of the provider /// public string ProviderTypeName { get { return _providerTypeName; } } } ////// Indicates the SettingsSerializeAs for a group of/individual setting. /// [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property)] public sealed class SettingsSerializeAsAttribute : Attribute { private readonly SettingsSerializeAs _serializeAs; ////// Constructor takes a SettingsSerializeAs enum value. /// public SettingsSerializeAsAttribute(SettingsSerializeAs serializeAs) { _serializeAs = serializeAs; } ////// SettingsSerializeAs value to use /// public SettingsSerializeAs SerializeAs { get { return _serializeAs; } } } ////// Indicates the SpecialSetting for a group of/individual setting. /// [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property)] public sealed class SpecialSettingAttribute : Attribute { private readonly SpecialSetting _specialSetting; ////// Constructor takes a SpecialSetting enum value. /// public SpecialSettingAttribute(SpecialSetting specialSetting) { _specialSetting = specialSetting; } ////// SpecialSetting value to use /// public SpecialSetting SpecialSetting { get { return _specialSetting; } } } ////// Indicates that a setting is to be stored on a per-user basis. /// [AttributeUsage(AttributeTargets.Property)] public sealed class UserScopedSettingAttribute : SettingAttribute { } public enum SettingsManageability { Roaming = 0 } ////// Indicates settings that are to be treated "specially". /// public enum SpecialSetting { ConnectionString = 0, WebServiceUrl = 1 } }
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