Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Configuration/AssemblyCollection.cs

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+//------------------------------------------------------------------------------
+// <copyright file="AssemblyCollection.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Configuration {
+    using System;
+    using System.Xml;
+    using System.Configuration;
+    using System.Collections.Specialized;
+    using System.Collections;
+    using System.Globalization;
+    using System.IO;
+    using System.Text;
+    using System.Web.Compilation;
+    using System.Reflection;
+    using System.Web.Hosting;
+    using System.Web.UI;
+    using System.CodeDom.Compiler;
+    using System.Web.Util;
+    using System.ComponentModel;
+    using System.Security.Permissions;
+
+    [ConfigurationCollection(typeof(AssemblyInfo))]
+    public sealed class AssemblyCollection : ConfigurationElementCollection {
+        private static ConfigurationPropertyCollection _properties;
+
+        static AssemblyCollection() {
+            // Property initialization
+            _properties = new ConfigurationPropertyCollection();
+        }
+
+        protected override ConfigurationPropertyCollection Properties {
+            get {
+                return _properties;
+            }
+        }
+
+        public AssemblyInfo this[int index] {
+            get {
+                return (AssemblyInfo)BaseGet(index);
+            }
+            set {
+                if (BaseGet(index) != null) {
+                    BaseRemoveAt(index);
+                }
+                BaseAdd(index, value);
+            }
+        }
+
+        public new AssemblyInfo this[String assemblyName] {
+            get {
+                return (AssemblyInfo)BaseGet(assemblyName);
+            }
+        }
+
+        public void Add(AssemblyInfo assemblyInformation) {
+            BaseAdd(assemblyInformation);
+        }
+        
+        public void Remove(String key) {
+            BaseRemove(key);
+        }
+        
+        public void RemoveAt(int index) {
+            BaseRemoveAt(index);
+        }
+        
+        protected override ConfigurationElement CreateNewElement() {
+            return new AssemblyInfo();
+        }
+
+        protected override Object GetElementKey(ConfigurationElement element) {
+            return ((AssemblyInfo)element).Assembly;
+        }
+
+        public void Clear() {
+            BaseClear();
+        }
+
+        internal bool IsRemoved(string key) {
+            return BaseIsRemoved(key);
+        }
+    }
+}