Class WeakReferenceDictionary<TKey, TValue>

Represents a dictionary that holds WeakReferences to its values.

Inheritance
System.Object
WeakReferenceDictionary<TKey, TValue>
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class WeakReferenceDictionary<TKey, TValue> : Object, 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

IsReadOnly

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

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

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

Keys

Gets an ICollection containing the keys of the dictionary.

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

Values

Gets an ICollection containing the values in the dictionary.

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

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.

Clear()

Removes all keys and values from the dictionary.

Declaration
public void 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

ContainsKey(TKey)

Determines whether the dictionary contains the specified key.

Declaration
public bool ContainsKey(TKey key)
Parameters
TKey key

The key.
Returns
System.Boolean

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.

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>>

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

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

Extension Methods