Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / Toolbox / ToolboxCategoryItems.cs / 1305376 / ToolboxCategoryItems.cs
//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.Activities.Presentation.Toolbox { using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Collections.Specialized; using System.Runtime; using System.Diagnostics.CodeAnalysis; //This class is responsible for storing information about tools //associated with given category item. The public interface is ICollection, the IList implementation is required for XAML support. [SuppressMessage(FxCop.Category.Design, "CA1039:ListsAreStronglyTyped", Justification = "The nongeneric IList implementation is required for XAML support. It is implmented explicitly.")] [SuppressMessage(FxCop.Category.Naming, "CA1710:IdentifiersShouldHaveCorrectSuffix", Justification = "The collection suffix 'Items' suits better.")] public sealed class ToolboxCategoryItems : ICollection, IList { ObservableCollection categories; public ToolboxCategoryItems() : this(null) { } internal ToolboxCategoryItems(NotifyCollectionChangedEventHandler listener) { this.categories = new ObservableCollection (); if (null != listener) { this.categories.CollectionChanged += listener; } } public ToolboxCategory this[int index] { get { return this.categories[index]; } } #region ICollection Members public void Add(ToolboxCategory item) { if (null == item) { throw FxTrace.Exception.ArgumentNull("item"); } this.categories.Add(item); } public void Clear() { this.categories.Clear(); } public bool Contains(ToolboxCategory item) { if (null == item) { throw FxTrace.Exception.ArgumentNull("item"); } return this.categories.Contains(item); } public void CopyTo(ToolboxCategory[] array, int arrayIndex) { if (null == array) { throw FxTrace.Exception.ArgumentNull("array"); } this.categories.CopyTo(array, arrayIndex); } public int Count { get { return this.categories.Count; } } public bool IsReadOnly { get { return ((ICollection )this.categories).IsReadOnly; } } public bool Remove(ToolboxCategory item) { if (null == item) { throw FxTrace.Exception.ArgumentNull("item"); } return this.categories.Remove(item); } #endregion #region IEnumerable Members public IEnumerator GetEnumerator() { return this.categories.GetEnumerator(); } #endregion #region IEnumerable Members IEnumerator IEnumerable.GetEnumerator() { return this.categories.GetEnumerator(); } #endregion #region IList Members int IList.Add(object value) { this.Add((ToolboxCategory)value); return this.categories.IndexOf((ToolboxCategory)value); } void IList.Clear() { this.Clear(); } bool IList.Contains(object value) { return this.Contains((ToolboxCategory)value); } int IList.IndexOf(object value) { return this.categories.IndexOf((ToolboxCategory)value); } void IList.Insert(int index, object value) { if (null == value) { throw FxTrace.Exception.ArgumentNull("value"); } this.categories.Insert(index, (ToolboxCategory)value); } bool IList.IsFixedSize { get { return ((IList)this.categories).IsFixedSize; } } bool IList.IsReadOnly { get { return ((IList)this.categories).IsReadOnly; } } void IList.Remove(object value) { this.Remove((ToolboxCategory)value); } void IList.RemoveAt(int index) { this.categories.RemoveAt(index); } object IList.this[int index] { get { return (this)[index]; } set { if (null == value) { throw FxTrace.Exception.ArgumentNull("value"); } this.categories[index] = (ToolboxCategory)value; } } #endregion #region ICollection Members void ICollection.CopyTo(Array array, int index) { if (null == array) { throw FxTrace.Exception.ArgumentNull("array"); } ((ICollection)this.categories).CopyTo(array, index); } int ICollection.Count { get { return this.Count; } } bool ICollection.IsSynchronized { get { return ((ICollection)this.categories).IsSynchronized; } } object ICollection.SyncRoot { get { return ((ICollection)this.categories).SyncRoot; } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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