Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Configuration / System / Configuration / ConfigurationSectionCollection.cs / 1 / ConfigurationSectionCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; using System.Collections.Specialized; using System.Runtime.Serialization; using System.Security.Permissions; [Serializable()] public sealed class ConfigurationSectionCollection : NameObjectCollectionBase { private MgmtConfigurationRecord _configRecord; private ConfigurationSectionGroup _configSectionGroup; // // Create the collection of all sections in the section group. // internal ConfigurationSectionCollection(MgmtConfigurationRecord configRecord, ConfigurationSectionGroup configSectionGroup) : base(StringComparer.Ordinal) { _configRecord = configRecord; _configSectionGroup = configSectionGroup; foreach (DictionaryEntry de in _configRecord.SectionFactories) { FactoryId factoryId = (FactoryId) de.Value; if (factoryId.Group == _configSectionGroup.SectionGroupName) { BaseAdd(factoryId.Name, factoryId.Name); } } } [SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { base.GetObjectData(info, context); } // // Remove the collection from configuration system, and remove all entries // in the base collection so that enumeration will return an empty collection. // internal void DetachFromConfigurationRecord() { _configRecord = null; BaseClear(); } private void VerifyIsAttachedToConfigRecord() { if (_configRecord == null) { throw new InvalidOperationException(SR.GetString(SR.Config_cannot_edit_configurationsectiongroup_when_not_attached)); } } // // Public Properties // // Indexer via name public ConfigurationSection this[string name] { get { return Get(name); } } // Indexer via integer index. public ConfigurationSection this[int index] { get { return Get(index); } } // // Public methods // // // Add a new section to the collection. This will result in a new declaration and definition. // // It is an error if the section already exists. // public void Add(string name, ConfigurationSection section) { VerifyIsAttachedToConfigRecord(); _configRecord.AddConfigurationSection(_configSectionGroup.SectionGroupName, name, section); BaseAdd(name, name); } // // Remove all sections from the collection. // public void Clear() { VerifyIsAttachedToConfigRecord(); string[] allKeys = BaseGetAllKeys(); foreach (string key in allKeys) { Remove(key); } } // // Return the number of sections in the collection. // public override int Count { get { return base.Count; } } // // Copy all the sections to an array. // public void CopyTo(ConfigurationSection[] array, int index) { if (array == null) { throw new ArgumentNullException("array"); } int c = Count; if (array.Length < c + index) { throw new ArgumentOutOfRangeException("index"); } for (int i = 0, j = index; i < c; i++, j++) { array[j] = Get(i); } } // // Get the section at a given index. // public ConfigurationSection Get(int index) { return Get(GetKey(index)); } // // Get the section with a given name. // public ConfigurationSection Get(string name) { VerifyIsAttachedToConfigRecord(); // validate name if (String.IsNullOrEmpty(name)) throw ExceptionUtil.ParameterNullOrEmpty("name"); // prevent GetConfig from returning config not in this collection if (name.IndexOf('/') >= 0) return null; // get the section from the config record string configKey = BaseConfigurationRecord.CombineConfigKey(_configSectionGroup.SectionGroupName, name); return (ConfigurationSection)_configRecord.GetSection(configKey); } // Get an enumerator public override IEnumerator GetEnumerator() { int c = Count; for (int i = 0; i < c; i++) { yield return this[i]; } } // Get the string key at a given index. public string GetKey(int index) { return BaseGetKey(index); } // Return the string keys of the collection. public override KeysCollection Keys { get { return base.Keys; } } // // Remove the declaration and definition of a section in this config file, including any // location sections in the file. // // Note that if the section is declared in a parent, we still remove the declaration and // definition, and the instance of ConfigurationSection will be detached from the collection. // However, the collection will still have a ConfigurationSection of that name in the collection, // only it will have the value of the immediate parent. // public void Remove(string name) { VerifyIsAttachedToConfigRecord(); // // Remove the factory and section from this record, so that when config is written, // it will contain neither a declaration or definition. // _configRecord.RemoveConfigurationSection(_configSectionGroup.SectionGroupName, name); // // Remove the section from the collection if it is no longer in the list of all SectionFactories. // string configKey = BaseConfigurationRecord.CombineConfigKey(_configSectionGroup.SectionGroupName, name); if (!_configRecord.SectionFactories.Contains(configKey)) { BaseRemove(name); } } // // Remove the section at that index. // public void RemoveAt(int index) { VerifyIsAttachedToConfigRecord(); Remove(GetKey(index)); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; using System.Collections.Specialized; using System.Runtime.Serialization; using System.Security.Permissions; [Serializable()] public sealed class ConfigurationSectionCollection : NameObjectCollectionBase { private MgmtConfigurationRecord _configRecord; private ConfigurationSectionGroup _configSectionGroup; // // Create the collection of all sections in the section group. // internal ConfigurationSectionCollection(MgmtConfigurationRecord configRecord, ConfigurationSectionGroup configSectionGroup) : base(StringComparer.Ordinal) { _configRecord = configRecord; _configSectionGroup = configSectionGroup; foreach (DictionaryEntry de in _configRecord.SectionFactories) { FactoryId factoryId = (FactoryId) de.Value; if (factoryId.Group == _configSectionGroup.SectionGroupName) { BaseAdd(factoryId.Name, factoryId.Name); } } } [SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { base.GetObjectData(info, context); } // // Remove the collection from configuration system, and remove all entries // in the base collection so that enumeration will return an empty collection. // internal void DetachFromConfigurationRecord() { _configRecord = null; BaseClear(); } private void VerifyIsAttachedToConfigRecord() { if (_configRecord == null) { throw new InvalidOperationException(SR.GetString(SR.Config_cannot_edit_configurationsectiongroup_when_not_attached)); } } // // Public Properties // // Indexer via name public ConfigurationSection this[string name] { get { return Get(name); } } // Indexer via integer index. public ConfigurationSection this[int index] { get { return Get(index); } } // // Public methods // // // Add a new section to the collection. This will result in a new declaration and definition. // // It is an error if the section already exists. // public void Add(string name, ConfigurationSection section) { VerifyIsAttachedToConfigRecord(); _configRecord.AddConfigurationSection(_configSectionGroup.SectionGroupName, name, section); BaseAdd(name, name); } // // Remove all sections from the collection. // public void Clear() { VerifyIsAttachedToConfigRecord(); string[] allKeys = BaseGetAllKeys(); foreach (string key in allKeys) { Remove(key); } } // // Return the number of sections in the collection. // public override int Count { get { return base.Count; } } // // Copy all the sections to an array. // public void CopyTo(ConfigurationSection[] array, int index) { if (array == null) { throw new ArgumentNullException("array"); } int c = Count; if (array.Length < c + index) { throw new ArgumentOutOfRangeException("index"); } for (int i = 0, j = index; i < c; i++, j++) { array[j] = Get(i); } } // // Get the section at a given index. // public ConfigurationSection Get(int index) { return Get(GetKey(index)); } // // Get the section with a given name. // public ConfigurationSection Get(string name) { VerifyIsAttachedToConfigRecord(); // validate name if (String.IsNullOrEmpty(name)) throw ExceptionUtil.ParameterNullOrEmpty("name"); // prevent GetConfig from returning config not in this collection if (name.IndexOf('/') >= 0) return null; // get the section from the config record string configKey = BaseConfigurationRecord.CombineConfigKey(_configSectionGroup.SectionGroupName, name); return (ConfigurationSection)_configRecord.GetSection(configKey); } // Get an enumerator public override IEnumerator GetEnumerator() { int c = Count; for (int i = 0; i < c; i++) { yield return this[i]; } } // Get the string key at a given index. public string GetKey(int index) { return BaseGetKey(index); } // Return the string keys of the collection. public override KeysCollection Keys { get { return base.Keys; } } // // Remove the declaration and definition of a section in this config file, including any // location sections in the file. // // Note that if the section is declared in a parent, we still remove the declaration and // definition, and the instance of ConfigurationSection will be detached from the collection. // However, the collection will still have a ConfigurationSection of that name in the collection, // only it will have the value of the immediate parent. // public void Remove(string name) { VerifyIsAttachedToConfigRecord(); // // Remove the factory and section from this record, so that when config is written, // it will contain neither a declaration or definition. // _configRecord.RemoveConfigurationSection(_configSectionGroup.SectionGroupName, name); // // Remove the section from the collection if it is no longer in the list of all SectionFactories. // string configKey = BaseConfigurationRecord.CombineConfigKey(_configSectionGroup.SectionGroupName, name); if (!_configRecord.SectionFactories.Contains(configKey)) { BaseRemove(name); } } // // Remove the section at that index. // public void RemoveAt(int index) { VerifyIsAttachedToConfigRecord(); Remove(GetKey(index)); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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