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KeyedByTypeCollection<TItem> Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides a collection whose items are types that serve as keys.

Inheritance Hierarchy

System.Object
  System.Collections.ObjectModel.Collection<TItem>
    System.Collections.ObjectModel.KeyedCollection<Type, TItem>
      System.Collections.Generic.KeyedByTypeCollection<TItem>
        System.ServiceModel.Channels.BindingParameterCollection

Namespace:  System.Collections.Generic
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Syntax

'Declaration
Public Class KeyedByTypeCollection(Of TItem) _
    Inherits KeyedCollection(Of Type, TItem)

public class KeyedByTypeCollection<TItem> : KeyedCollection<Type, TItem>

Type Parameters

  • TItem
    The item types contained in the collection that also serve as the keys for the collection.

The KeyedByTypeCollection<TItem> type exposes the following members.

Constructors

  Name Description
Public methodSupported by Silverlight for Windows Phone KeyedByTypeCollection<TItem> Initializes a new instance of the KeyedByTypeCollection<TItem> class.

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Properties

  Name Description
Public propertySupported by Silverlight for Windows Phone Comparer Gets the generic equality comparer that is used to determine equality of keys in the collection. (Inherited from KeyedCollection<TKey, TItem>.)
Public propertySupported by Silverlight for Windows Phone Count Gets the number of elements actually contained in the Collection<T>. (Inherited from Collection<T>.)
Protected propertySupported by Silverlight for Windows Phone Dictionary Gets the lookup dictionary of the KeyedCollection<TKey, TItem>. (Inherited from KeyedCollection<TKey, TItem>.)
Public propertySupported by Silverlight for Windows Phone Item[TKey] Gets the element with the specified key. (Inherited from KeyedCollection<TKey, TItem>.)
Public propertySupported by Silverlight for Windows Phone Item[Int32] Gets or sets the element at the specified index. (Inherited from Collection<T>.)
Protected propertySupported by Silverlight for Windows Phone Items Gets a IList<T> wrapper around the Collection<T>. (Inherited from Collection<T>.)

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Methods

  Name Description
Public methodSupported by Silverlight for Windows Phone Add Adds an object to the end of the Collection<T>. (Inherited from Collection<T>.)
Protected methodSupported by Silverlight for Windows Phone ChangeItemKey Changes the key associated with the specified element in the lookup dictionary. (Inherited from KeyedCollection<TKey, TItem>.)
Public methodSupported by Silverlight for Windows Phone Clear Removes all elements from the Collection<T>. (Inherited from Collection<T>.)
Protected methodSupported by Silverlight for Windows Phone ClearItems Removes all elements from the KeyedCollection<TKey, TItem>. (Inherited from KeyedCollection<TKey, TItem>.)
Public methodSupported by Silverlight for Windows Phone Contains(T) Determines whether an element is in the Collection<T>. (Inherited from Collection<T>.)
Public methodSupported by Silverlight for Windows Phone Contains(TKey) Determines whether the collection contains an element with the specified key. (Inherited from KeyedCollection<TKey, TItem>.)
Public methodSupported by Silverlight for Windows Phone CopyTo Copies the entire Collection<T> to a compatible one-dimensional Array, starting at the specified index of the target array. (Inherited from Collection<T>.)
Public methodSupported by Silverlight for Windows Phone Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone Find<T> Returns the first item in the collection of a specified type.
Public methodSupported by Silverlight for Windows Phone FindAll<T> Returns a collection of objects of type T that are contained in the KeyedByTypeCollection<TItem>.
Public methodSupported by Silverlight for Windows Phone GetEnumerator Returns an enumerator that iterates through the Collection<T>. (Inherited from Collection<T>.)
Public methodSupported by Silverlight for Windows Phone GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone GetKeyForItem Gets the type of an item contained in the collection. (Overrides KeyedCollection<TKey, TItem>.GetKeyForItem(TItem).)
Public methodSupported by Silverlight for Windows Phone GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone IndexOf Searches for the specified object and returns the zero-based index of the first occurrence within the entire Collection<T>. (Inherited from Collection<T>.)
Public methodSupported by Silverlight for Windows Phone Insert Inserts an element into the Collection<T> at the specified index. (Inherited from Collection<T>.)
Protected methodSupported by Silverlight for Windows Phone InsertItem Inserts an element into the collection at a specific location. (Overrides KeyedCollection<TKey, TItem>.InsertItem(Int32, TItem).)
Protected methodSupported by Silverlight for Windows Phone MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone Remove(T) Removes the first occurrence of a specific object from the Collection<T>. (Inherited from Collection<T>.)
Public methodSupported by Silverlight for Windows Phone Remove(TKey) Removes the element with the specified key from the KeyedCollection<TKey, TItem>. (Inherited from KeyedCollection<TKey, TItem>.)
Public methodSupported by Silverlight for Windows Phone Remove<T>() Removes an object of a specified type from the collection.
Public methodSupported by Silverlight for Windows Phone RemoveAll<T> Removes all of the elements of a specified type from the collection.
Public methodSupported by Silverlight for Windows Phone RemoveAt Removes the element at the specified index of the Collection<T>. (Inherited from Collection<T>.)
Protected methodSupported by Silverlight for Windows Phone RemoveItem Removes the element at the specified index of the KeyedCollection<TKey, TItem>. (Inherited from KeyedCollection<TKey, TItem>.)
Protected methodSupported by Silverlight for Windows Phone SetItem Replaces the item at the specified index with a new object. (Overrides KeyedCollection<TKey, TItem>.SetItem(Int32, TItem).)
Public methodSupported by Silverlight for Windows Phone ToString Returns a string that represents the current object. (Inherited from Object.)

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Explicit Interface Implementations

  Name Description
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone ICollection.CopyTo Copies the elements of the ICollection to an Array, starting at a particular Array index. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone ICollection<T>.IsReadOnly Gets a value indicating whether the ICollection<T> is read-only. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone ICollection.IsSynchronized Gets a value indicating whether access to the ICollection is synchronized (thread safe). (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone ICollection.SyncRoot Gets an object that can be used to synchronize access to the ICollection. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IEnumerable.GetEnumerator Returns an enumerator that iterates through a collection. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IList.Add Adds an item to the IList. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IList.Contains Determines whether the IList contains a specific value. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IList.IndexOf Determines the index of a specific item in the IList. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IList.Insert Inserts an item into the IList at the specified index. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone IList.IsFixedSize Gets a value indicating whether the IList has a fixed size. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone IList.IsReadOnly Gets a value indicating whether the IList is read-only. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate propertySupported by Silverlight for Windows Phone IList.Item Gets or sets the element at the specified index. (Inherited from Collection<T>.)
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IList.Remove Removes the first occurrence of a specific object from the IList. (Inherited from Collection<T>.)

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Remarks

Only one object of each type is allowed in the collection because the type is the key and each key must be unique. But you can find objects of different types.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.