734 lines
32 KiB
C#
734 lines
32 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="PropertyDescriptorCollection.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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using System.Diagnostics.CodeAnalysis;
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[assembly: SuppressMessage("Microsoft.Globalization", "CA1303:DoNotPassLiteralsAsLocalizedParameters", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.Add(System.Object,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Globalization", "CA1303:DoNotPassLiteralsAsLocalizedParameters", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.set_Item(System.Int32,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Globalization", "CA1303:DoNotPassLiteralsAsLocalizedParameters", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.set_Item(System.Object,System.Object):System.Void")]
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/*
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This class has the HostProtectionAttribute. The purpose of this attribute is to enforce host-specific programming model guidelines, not security behavior.
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Suppress FxCop message - BUT REVISIT IF ADDING NEW SECURITY ATTRIBUTES.
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*/
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[assembly: SuppressMessage("Microsoft.Security", "CA2112:SecuredTypesShouldNotExposeFields", Scope="type", Target="System.ComponentModel.PropertyDescriptorCollection")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.get_IsFixedSize():System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IEnumerable.GetEnumerator():System.Collections.IEnumerator")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.get_IsFixedSize():System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.ICollection.get_SyncRoot():System.Object")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.Remove(System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.ICollection.get_IsSynchronized():System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.get_IsReadOnly():System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.get_Keys():System.Collections.ICollection")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.get_IsReadOnly():System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.Clear():System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.IndexOf(System.Object):System.Int32")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.Contains(System.Object):System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.RemoveAt(System.Int32):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.GetEnumerator():System.Collections.IEnumerator")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.Add(System.Object,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.Clear():System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.get_Values():System.Collections.ICollection")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.Contains(System.Object):System.Boolean")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.GetEnumerator():System.Collections.IDictionaryEnumerator")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.Remove(System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.get_Item(System.Int32):System.Object")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.set_Item(System.Int32,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.Add(System.Object):System.Int32")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.CopyTo(System.Array,System.Int32):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.get_Item(System.Object):System.Object")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IDictionary.set_Item(System.Object,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.IList.Insert(System.Int32,System.Object):System.Void")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.System.Collections.ICollection.get_Count():System.Int32")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection..ctor(System.ComponentModel.PropertyDescriptor[])")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.get_Count():System.Int32")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.get_Item(System.String):System.ComponentModel.PropertyDescriptor")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection..ctor(System.ComponentModel.PropertyDescriptor[],System.Boolean)")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.GetEnumerator():System.Collections.IEnumerator")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.Find(System.String,System.Boolean):System.ComponentModel.PropertyDescriptor")]
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[assembly: SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Scope="member", Target="System.ComponentModel.PropertyDescriptorCollection.Sort(System.String[]):System.ComponentModel.PropertyDescriptorCollection")]
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namespace System.ComponentModel {
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using Microsoft.Win32;
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using System.Collections;
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using System.Collections.Specialized;
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using System.Diagnostics;
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using System.Globalization;
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using System.Runtime.InteropServices;
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using System.Security.Permissions;
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/// <devdoc>
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/// <para>
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/// Represents a collection of properties.
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/// </para>
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/// </devdoc>
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[System.Security.Permissions.HostProtection(Synchronization = true)]
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public class PropertyDescriptorCollection : ICollection, IList, IDictionary {
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/// <devdoc>
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/// An empty PropertyDescriptorCollection that can used instead of creating a new one with no items.
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/// </devdoc>
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2112:SecuredTypesShouldNotExposeFields")] // ReadOnly fields - already shipped.
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public static readonly PropertyDescriptorCollection Empty = new PropertyDescriptorCollection(null, true);
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private IDictionary cachedFoundProperties;
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private bool cachedIgnoreCase;
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private PropertyDescriptor[] properties;
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private int propCount = 0;
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private string[] namedSort;
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private IComparer comparer;
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private bool propsOwned = true;
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private bool needSort = false;
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private bool readOnly = false;
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of the <see cref='System.ComponentModel.PropertyDescriptorCollection'/>
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/// class.
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/// </para>
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/// </devdoc>
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public PropertyDescriptorCollection(PropertyDescriptor[] properties) {
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this.properties = properties;
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if (properties == null) {
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this.properties = new PropertyDescriptor[0];
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this.propCount = 0;
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}
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else {
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this.propCount = properties.Length;
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}
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this.propsOwned = true;
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}
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/// <devdoc>
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/// Initializes a new instance of a property descriptor collection, and allows you to mark the
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/// collection as read-only so it cannot be modified.
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/// </devdoc>
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public PropertyDescriptorCollection(PropertyDescriptor[] properties, bool readOnly) : this(properties) {
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this.readOnly = readOnly;
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}
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private PropertyDescriptorCollection(PropertyDescriptor[] properties, int propCount, string[] namedSort, IComparer comparer) {
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this.propsOwned = false;
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if (namedSort != null) {
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this.namedSort = (string[])namedSort.Clone();
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}
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this.comparer = comparer;
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this.properties = properties;
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this.propCount = propCount;
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this.needSort = true;
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}
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/// <devdoc>
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/// <para>
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/// Gets the number
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/// of property descriptors in the
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/// collection.
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/// </para>
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/// </devdoc>
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public int Count {
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get {
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return propCount;
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}
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}
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/// <devdoc>
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/// <para>Gets the property with the specified index
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/// number.</para>
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/// </devdoc>
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public virtual PropertyDescriptor this[int index] {
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get {
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if (index >= propCount) {
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throw new IndexOutOfRangeException();
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}
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EnsurePropsOwned();
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return properties[index];
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}
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}
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/// <devdoc>
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/// <para>Gets the property with the specified name.</para>
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/// </devdoc>
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public virtual PropertyDescriptor this[string name] {
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get {
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return Find(name, false);
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}
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public int Add(PropertyDescriptor value) {
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if (readOnly) {
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throw new NotSupportedException();
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}
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EnsureSize(propCount + 1);
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properties[propCount++] = value;
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return propCount - 1;
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public void Clear() {
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if (readOnly) {
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throw new NotSupportedException();
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}
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propCount = 0;
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cachedFoundProperties = null;
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public bool Contains(PropertyDescriptor value) {
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return IndexOf(value) >= 0;
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public void CopyTo(Array array, int index) {
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EnsurePropsOwned();
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Array.Copy(properties, 0, array, index, Count);
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}
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private void EnsurePropsOwned() {
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if (!propsOwned) {
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propsOwned = true;
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if (properties != null) {
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PropertyDescriptor[] newProps = new PropertyDescriptor[Count];
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Array.Copy(properties, 0, newProps, 0, Count);
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this.properties = newProps;
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}
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}
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if (needSort) {
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needSort = false;
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InternalSort(this.namedSort);
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}
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}
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private void EnsureSize(int sizeNeeded) {
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if (sizeNeeded <= properties.Length) {
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return;
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}
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if (properties == null || properties.Length == 0) {
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propCount = 0;
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properties = new PropertyDescriptor[sizeNeeded];
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return;
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}
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EnsurePropsOwned();
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int newSize = Math.Max(sizeNeeded, properties.Length * 2);
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PropertyDescriptor[] newProps = new PropertyDescriptor[newSize];
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Array.Copy(properties, 0, newProps, 0, propCount);
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properties = newProps;
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}
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/// <devdoc>
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/// <para>Gets the description of the property with the specified
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/// name.</para>
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/// </devdoc>
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public virtual PropertyDescriptor Find(string name, bool ignoreCase) {
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lock(this) {
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PropertyDescriptor p = null;
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if (cachedFoundProperties == null || cachedIgnoreCase != ignoreCase) {
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cachedIgnoreCase = ignoreCase;
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cachedFoundProperties = new HybridDictionary(ignoreCase);
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}
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// first try to find it in the cache
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//
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object cached = cachedFoundProperties[name];
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if (cached != null) {
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return (PropertyDescriptor) cached;
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}
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// Now start walking from where we last left off, filling
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// the cache as we go.
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//
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for(int i = 0; i < propCount; i++) {
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if (ignoreCase) {
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if (String.Equals(properties[i].Name, name, StringComparison.OrdinalIgnoreCase)) {
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cachedFoundProperties[name] = properties[i];
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p = properties[i];
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break;
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}
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}
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else {
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if (properties[i].Name.Equals(name)) {
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cachedFoundProperties[name] = properties[i];
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p = properties[i];
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break;
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}
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}
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}
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return p;
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}
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public int IndexOf(PropertyDescriptor value) {
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return Array.IndexOf(properties, value, 0, propCount);
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public void Insert(int index, PropertyDescriptor value) {
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if (readOnly) {
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throw new NotSupportedException();
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}
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EnsureSize(propCount + 1);
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if (index < propCount) {
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Array.Copy(properties, index, properties, index + 1, propCount - index);
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}
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properties[index] = value;
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propCount++;
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public void Remove(PropertyDescriptor value) {
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if (readOnly) {
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throw new NotSupportedException();
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}
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int index = IndexOf(value);
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if (index != -1) {
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RemoveAt(index);
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}
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public void RemoveAt(int index) {
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if (readOnly) {
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throw new NotSupportedException();
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}
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if (index < propCount - 1) {
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Array.Copy(properties, index + 1, properties, index, propCount - index - 1);
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}
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properties[propCount - 1] = null;
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propCount--;
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}
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/// <devdoc>
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/// <para>
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/// Sorts the members of this PropertyDescriptorCollection, using the default sort for this collection,
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/// which is usually alphabetical.
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/// </para>
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/// </devdoc>
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public virtual PropertyDescriptorCollection Sort() {
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return new PropertyDescriptorCollection(this.properties, this.propCount, this.namedSort, this.comparer);
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}
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/// <devdoc>
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/// <para>
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/// Sorts the members of this PropertyDescriptorCollection. Any specified NamedSort arguments will
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/// be applied first, followed by sort using the specified IComparer.
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/// </para>
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/// </devdoc>
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public virtual PropertyDescriptorCollection Sort(string[] names) {
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return new PropertyDescriptorCollection(this.properties, this.propCount, names, this.comparer);
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}
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/// <devdoc>
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/// <para>
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/// Sorts the members of this PropertyDescriptorCollection. Any specified NamedSort arguments will
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/// be applied first, followed by sort using the specified IComparer.
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/// </para>
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/// </devdoc>
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public virtual PropertyDescriptorCollection Sort(string[] names, IComparer comparer) {
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return new PropertyDescriptorCollection(this.properties, this.propCount, names, comparer);
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}
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/// <devdoc>
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/// <para>
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/// Sorts the members of this PropertyDescriptorCollection, using the specified IComparer to compare,
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/// the PropertyDescriptors contained in the collection.
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/// </para>
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/// </devdoc>
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public virtual PropertyDescriptorCollection Sort(IComparer comparer) {
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return new PropertyDescriptorCollection(this.properties, this.propCount, this.namedSort, comparer);
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}
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/// <devdoc>
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/// <para>
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/// Sorts the members of this PropertyDescriptorCollection. Any specified NamedSort arguments will
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/// be applied first, followed by sort using the specified IComparer.
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/// </para>
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/// </devdoc>
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protected void InternalSort(string[] names) {
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if (properties == null || properties.Length == 0) {
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return;
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}
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this.InternalSort(this.comparer);
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if (names != null && names.Length > 0) {
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ArrayList propArrayList = new ArrayList(properties);
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int foundCount = 0;
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int propCount = properties.Length;
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for (int i = 0; i < names.Length; i++) {
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for (int j = 0; j < propCount; j++) {
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PropertyDescriptor currentProp = (PropertyDescriptor)propArrayList[j];
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// Found a matching property. Here, we add it to our array. We also
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// mark it as null in our array list so we don't add it twice later.
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//
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if (currentProp != null && currentProp.Name.Equals(names[i])) {
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properties[foundCount++] = currentProp;
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propArrayList[j] = null;
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break;
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}
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}
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}
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// At this point we have filled in the first "foundCount" number of propeties, one for each
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// name in our name array. If a name didn't match, then it is ignored. Next, we must fill
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// in the rest of the properties. We now have a sparse array containing the remainder, so
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// it's easy.
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//
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for (int i = 0; i < propCount; i++) {
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if (propArrayList[i] != null) {
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properties[foundCount++] = (PropertyDescriptor)propArrayList[i];
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}
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}
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Debug.Assert(foundCount == propCount, "We did not completely fill our property array");
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}
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}
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/// <devdoc>
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/// <para>
|
|
/// Sorts the members of this PropertyDescriptorCollection using the specified IComparer.
|
|
/// </para>
|
|
/// </devdoc>
|
|
protected void InternalSort(IComparer sorter) {
|
|
if (sorter == null) {
|
|
TypeDescriptor.SortDescriptorArray(this);
|
|
}
|
|
else {
|
|
Array.Sort(properties, sorter);
|
|
}
|
|
}
|
|
|
|
/// <devdoc>
|
|
/// <para>
|
|
/// Gets an enumerator for this <see cref='System.ComponentModel.PropertyDescriptorCollection'/>.
|
|
/// </para>
|
|
/// </devdoc>
|
|
public virtual IEnumerator GetEnumerator() {
|
|
EnsurePropsOwned();
|
|
// we can only return an enumerator on the props we actually have...
|
|
if (properties.Length != this.propCount) {
|
|
PropertyDescriptor[] enumProps = new PropertyDescriptor[propCount];
|
|
Array.Copy(properties, 0, enumProps, 0, propCount);
|
|
return enumProps.GetEnumerator();
|
|
}
|
|
return properties.GetEnumerator();
|
|
}
|
|
|
|
/// <internalonly/>
|
|
int ICollection.Count {
|
|
get {
|
|
return Count;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool ICollection.IsSynchronized {
|
|
get {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
object ICollection.SyncRoot {
|
|
get {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IDictionary.Add(object key, object value) {
|
|
PropertyDescriptor newProp = value as PropertyDescriptor;
|
|
|
|
if (newProp == null) {
|
|
throw new ArgumentException("value");
|
|
}
|
|
Add(newProp);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IDictionary.Clear() {
|
|
Clear();
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IDictionary.Contains(object key) {
|
|
if (key is string) {
|
|
return this[(string)key] != null;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// <internalonly/>
|
|
IDictionaryEnumerator IDictionary.GetEnumerator() {
|
|
return new PropertyDescriptorEnumerator(this);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IDictionary.IsFixedSize {
|
|
get {
|
|
return readOnly;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IDictionary.IsReadOnly {
|
|
get {
|
|
return readOnly;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
object IDictionary.this[object key] {
|
|
get {
|
|
if (key is string) {
|
|
return this[(string)key];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
set {
|
|
if (readOnly) {
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
if (value != null && !(value is PropertyDescriptor)) {
|
|
throw new ArgumentException("value");
|
|
}
|
|
|
|
int index = -1;
|
|
|
|
if (key is int) {
|
|
index = (int)key;
|
|
|
|
if (index < 0 || index >= propCount) {
|
|
throw new IndexOutOfRangeException();
|
|
}
|
|
}
|
|
else if (key is string) {
|
|
for (int i = 0; i < propCount; i++) {
|
|
if (properties[i].Name.Equals((string)key)) {
|
|
index = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
throw new ArgumentException("key");
|
|
}
|
|
|
|
if (index == -1) {
|
|
Add((PropertyDescriptor)value);
|
|
}
|
|
else {
|
|
EnsurePropsOwned();
|
|
properties[index] = (PropertyDescriptor)value;
|
|
if (cachedFoundProperties != null && key is string) {
|
|
cachedFoundProperties[key] = value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
ICollection IDictionary.Keys {
|
|
get {
|
|
string[] keys = new string[propCount];
|
|
for (int i = 0; i < propCount ;i++) {
|
|
keys[i] = properties[i].Name;
|
|
}
|
|
return keys;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
ICollection IDictionary.Values {
|
|
get {
|
|
// we can only return an enumerator on the props we actually have...
|
|
//
|
|
if (properties.Length != this.propCount) {
|
|
PropertyDescriptor[] newProps = new PropertyDescriptor[propCount];
|
|
Array.Copy(properties, 0, newProps, 0, propCount);
|
|
return newProps;
|
|
}
|
|
else {
|
|
return (ICollection)properties.Clone();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IDictionary.Remove(object key) {
|
|
if (key is string) {
|
|
PropertyDescriptor pd = this[(string)key];
|
|
if (pd != null) {
|
|
((IList)this).Remove(pd);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
IEnumerator IEnumerable.GetEnumerator() {
|
|
return GetEnumerator();
|
|
}
|
|
|
|
/// <internalonly/>
|
|
int IList.Add(object value) {
|
|
return Add((PropertyDescriptor)value);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IList.Clear() {
|
|
Clear();
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IList.Contains(object value) {
|
|
return Contains((PropertyDescriptor)value);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
int IList.IndexOf(object value) {
|
|
return IndexOf((PropertyDescriptor)value);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IList.Insert(int index, object value) {
|
|
Insert(index, (PropertyDescriptor)value);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IList.IsReadOnly {
|
|
get {
|
|
return readOnly;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
bool IList.IsFixedSize {
|
|
get {
|
|
return readOnly;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IList.Remove(object value) {
|
|
Remove((PropertyDescriptor)value);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IList.RemoveAt(int index) {
|
|
RemoveAt(index);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
object IList.this[int index] {
|
|
get {
|
|
return this[index];
|
|
}
|
|
set {
|
|
if (readOnly) {
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
if (index >= propCount) {
|
|
throw new IndexOutOfRangeException();
|
|
}
|
|
|
|
|
|
if (value != null && !(value is PropertyDescriptor)) {
|
|
throw new ArgumentException("value");
|
|
}
|
|
|
|
EnsurePropsOwned();
|
|
properties[index] = (PropertyDescriptor)value;
|
|
}
|
|
}
|
|
|
|
private class PropertyDescriptorEnumerator : IDictionaryEnumerator {
|
|
private PropertyDescriptorCollection owner;
|
|
private int index = -1;
|
|
|
|
public PropertyDescriptorEnumerator(PropertyDescriptorCollection owner) {
|
|
this.owner = owner;
|
|
}
|
|
|
|
public object Current {
|
|
get{
|
|
return Entry;
|
|
}
|
|
}
|
|
|
|
public DictionaryEntry Entry {
|
|
get {
|
|
PropertyDescriptor curProp = owner[index];
|
|
return new DictionaryEntry(curProp.Name, curProp);
|
|
}
|
|
}
|
|
|
|
public object Key {
|
|
get {
|
|
return owner[index].Name;
|
|
}
|
|
}
|
|
|
|
public object Value {
|
|
get {
|
|
return owner[index].Name;
|
|
}
|
|
}
|
|
|
|
public bool MoveNext() {
|
|
if (index < (owner.Count - 1)) {
|
|
index++;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public void Reset() {
|
|
index = -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|