Class WeakReferenceDictionary<TKey, TValue>

Represents a dictionary that holds WeakReferences to its values.

Inheritance
System.Object
WeakReferenceDictionary<TKey, TValue>
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class WeakReferenceDictionary<TKey, TValue> : IDictionary<TKey, TValue>, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable
Type Parameters
TKey

TValue

Constructors

WeakReferenceDictionary()

Initializes a new instance of the WeakReferenceDictionary class.

Declaration
public WeakReferenceDictionary()

Properties

Count

Gets the number of elements contained in the dictionary.

Declaration
public int Count { get; }
Property Value
System.Int32

Implements
System.Collections.Generic.ICollection<T>.Count

IsReadOnly

Gets a value indicating whether the dictionary is read-only.

Declaration
public bool IsReadOnly { get; }
Property Value
System.Boolean

Implements
System.Collections.Generic.ICollection<T>.IsReadOnly

Item[TKey]

Gets or sets the value associated with the specified key.

Declaration
public TValue this[TKey key] { get; set; }
Parameters
TKey key

Property Value
TValue

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.Item[TKey]

Keys

Gets an ICollection containing the keys of the dictionary.

Declaration
public ICollection<TKey> Keys { get; }
Property Value
System.Collections.Generic.ICollection<TKey>

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.Keys

Values

Gets an ICollection containing the values in the dictionary.

Declaration
public ICollection<TValue> Values { get; }
Property Value
System.Collections.Generic.ICollection<TValue>

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.Values

Methods

Add(TKey, TValue)

Adds the specified key and value to the dictionary.

Declaration
public void Add(TKey key, TValue value)
Parameters
TKey key

The key.
TValue value

The value.
Implements
System.Collections.Generic.IDictionary<TKey, TValue>.Add(TKey, TValue)

Clear()

Removes all keys and values from the dictionary.

Declaration
public void Clear()
Implements
System.Collections.Generic.ICollection<T>.Clear()

Contains(KeyValuePair<TKey, TValue>)

Determines whether a sequence contains a specified element.

Declaration
public bool Contains(KeyValuePair<TKey, TValue> item)
Parameters
System.Collections.Generic.KeyValuePair<TKey, TValue> item

The item.
Returns
System.Boolean

Implements
System.Collections.Generic.ICollection<T>.Contains(T)

ContainsKey(TKey)

Determines whether the dictionary contains the specified key.

Declaration
public bool ContainsKey(TKey key)
Parameters
TKey key

The key.
Returns
System.Boolean

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.ContainsKey(TKey)

CopyTo(KeyValuePair<TKey, TValue>[], Int32)

Copies the elements of the dictionary to an array, starting at a particular index.

Declaration
public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex)
Parameters
System.Collections.Generic.KeyValuePair<TKey, TValue>[] array

The array.
System.Int32 arrayIndex

Index of the array.
Implements
System.Collections.Generic.ICollection<T>.CopyTo(T[], System.Int32)

GetEnumerator()

Returns an enumerator that iterates through the dictionary.

Declaration
public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
Returns
System.Collections.Generic.IEnumerator<System.Collections.Generic.KeyValuePair<TKey, TValue>>

Implements
System.Collections.Generic.IEnumerable<T>.GetEnumerator()

Remove(TKey)

Removes the value with the specified key from the dictionary.

Declaration
public bool Remove(TKey key)
Parameters
TKey key

The key.
Returns
System.Boolean

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.Remove(TKey)

TryGetValue(TKey, out TValue)

Gets the value associated with the specified key.

Declaration
public bool TryGetValue(TKey key, out TValue value)
Parameters
TKey key

The key.
TValue value

The value.
Returns
System.Boolean

Implements
System.Collections.Generic.IDictionary<TKey, TValue>.TryGetValue(TKey, TValue)

Explicit Interface Implementations

ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue>)

Adds an element with the provided key and value to the dictionary.

Declaration
void ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item)
Parameters
System.Collections.Generic.KeyValuePair<TKey, TValue> item

The item.
Implements
System.Collections.Generic.ICollection<T>.Add(T)

ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue>)

Removes the first occurrence of a specified object from the dictionary.

Declaration
bool ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue> item)
Parameters
System.Collections.Generic.KeyValuePair<TKey, TValue> item

The item.
Returns
System.Boolean

Implements
System.Collections.Generic.ICollection<T>.Remove(T)

IEnumerable.GetEnumerator()

Returns an enumerator that iterates through a collection.

Declaration
IEnumerator IEnumerable.GetEnumerator()
Returns
System.Collections.IEnumerator

Implements
System.Collections.IEnumerable.GetEnumerator()

Extension Methods