102 lines
3.2 KiB
C#
102 lines
3.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ConnectionStringSettingsCollection.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Configuration {
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using System;
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using System.Xml;
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using System.Configuration;
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using System.Collections.Specialized;
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using System.Collections;
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using System.IO;
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using System.Text;
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// class ConnectionStringsSection
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[ConfigurationCollection(typeof(ConnectionStringSettings))]
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public sealed class ConnectionStringSettingsCollection : ConfigurationElementCollection {
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private static ConfigurationPropertyCollection _properties;
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static ConnectionStringSettingsCollection() {
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// Property initialization
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_properties = new ConfigurationPropertyCollection();
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}
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protected internal override ConfigurationPropertyCollection Properties {
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get {
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return _properties;
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}
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}
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public ConnectionStringSettingsCollection()
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: base(StringComparer.OrdinalIgnoreCase) {
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}
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public ConnectionStringSettings this[int index] {
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get {
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return (ConnectionStringSettings)BaseGet(index);
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}
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set {
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if (BaseGet(index) != null) {
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BaseRemoveAt(index);
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}
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BaseAdd(index, value);
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}
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}
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new public ConnectionStringSettings this[string name] {
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get {
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return (ConnectionStringSettings)BaseGet(name);
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}
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}
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public int IndexOf(ConnectionStringSettings settings) {
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return BaseIndexOf(settings);
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}
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// the connection string behavior is strange in that is acts kind of like a
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// basic map and partially like a add remove clear collection
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// Overriding these methods allows for the specific behaviors to be
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// patterened
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protected override void BaseAdd(int index, ConfigurationElement element) {
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if (index == -1) {
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BaseAdd(element, false);
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}
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else {
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base.BaseAdd(index, element);
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}
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}
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public void Add(ConnectionStringSettings settings) {
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BaseAdd(settings);
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}
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public void Remove(ConnectionStringSettings settings) {
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if (BaseIndexOf(settings) >= 0) {
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BaseRemove(settings.Key);
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}
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}
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public void RemoveAt(int index) {
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BaseRemoveAt(index);
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}
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public void Remove(string name) {
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BaseRemove(name);
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}
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protected override ConfigurationElement CreateNewElement() {
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return new ConnectionStringSettings();
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}
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protected override Object GetElementKey(ConfigurationElement element) {
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return ((ConnectionStringSettings)element).Key;
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}
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public void Clear() {
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BaseClear();
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}
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}
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}
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