public class Multimap<TKey, TValue> : IDictionary<TKey, IList<TValue>>, ICollection<KeyValuePair<TKey, IList<TValue>>>, IEnumerable<KeyValuePair<TKey, IList<TValue>>>, IEnumerable

Type Parameters

Name	Description
TKey	The type of the key
TValue	The type of the value associated with the key.

Constructors

Multimap()

Empty Constructor.

Declaration

public Multimap()

Multimap(IEqualityComparer<TKey>)

Constructor with comparer.

Declaration

public Multimap(IEqualityComparer<TKey> comparer)

Parameters

Type	Name	Description
IEqualityComparer<TKey>	comparer

Properties

Count

Gets the number of items contained in the Multimap.

Declaration

public int Count { get; }

Property Value

Type	Description
int

IsReadOnly

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

Declaration

public bool IsReadOnly { get; }

Property Value

Type	Description
bool

this[TKey]

Gets or sets the item with the specified key.

Declaration

public IList<TValue> this[TKey key] { get; set; }

Parameters

Type	Name	Description
TKey	key	The key of the item to get or set.

Property Value

Type	Description
IList<TValue>	The value of the specified key.

Keys

Gets a System.Collections.Generic.ICollection containing the keys of the Multimap.

Declaration

public ICollection<TKey> Keys { get; }

Property Value

Type	Description
ICollection<TKey>

Values

Gets a System.Collections.Generic.ICollection containing the values of the Multimap.

Declaration

public ICollection<IList<TValue>> Values { get; }

Property Value

Type	Description
ICollection<IList<TValue>>

Methods

Add(KeyValuePair<TKey, IList<TValue>>)

Add values to Multimap

Declaration

public void Add(KeyValuePair<TKey, IList<TValue>> item)

Parameters

Type	Name	Description
KeyValuePair<TKey, IList<TValue>>	item	Key value pair

Add(Multimap<TKey, TValue>)

Add Multimap to Multimap

Declaration

public void Add(Multimap<TKey, TValue> multimap)

Parameters

Type	Name	Description
Multimap<TKey, TValue>	multimap	Multimap

Add(TKey, IList<TValue>)

Adds an item with the provided key and value to the Multimap.

Declaration

public void Add(TKey key, IList<TValue> value)

Parameters

Type	Name	Description
TKey	key	The object to use as the key of the item to add.
IList<TValue>	value	The object to use as the value of the item to add.

Exceptions

Type	Condition
InvalidOperationException	Thrown when couldn't add the value to Multimap.

Add(TKey, TValue)

Adds an item with the provided key and value to the Multimap.

Declaration

public void Add(TKey key, TValue value)

Parameters

Type	Name	Description
TKey	key	The object to use as the key of the item to add.
TValue	value	The object to use as the value of the item to add.

Exceptions

Type	Condition
InvalidOperationException	Thrown when couldn't add value to Multimap.

Clear()

Clear Multimap

Declaration

public void Clear()

Contains(KeyValuePair<TKey, IList<TValue>>)

Determines whether Multimap contains the specified item.

Declaration

public bool Contains(KeyValuePair<TKey, IList<TValue>> item)

Parameters

Type	Name	Description
KeyValuePair<TKey, IList<TValue>>	item	Key value pair

Returns

Type	Description
bool	true if the Multimap contains the item; otherwise, false.

Exceptions

Type	Condition
NotImplementedException	Method needs to be implemented

ContainsKey(TKey)

Determines whether the Multimap contains an item with the specified key.

Declaration

public bool ContainsKey(TKey key)

Parameters

Type	Name	Description
TKey	key	The key to locate in the Multimap.

Returns

Type	Description
bool	true if the Multimap contains an item with the key; otherwise, false.

CopyTo(Array, int)

Copy the items of the Multimap to an System.Array, starting at a particular System.Array index.

Declaration

public void CopyTo(Array array, int index)

Parameters

Type	Name	Description
Array	array	The one-dimensional System.Array that is the destination of the items copied from Multimap. The System.Array must have zero-based indexing.
int	index	The zero-based index in array at which copying begins.

CopyTo(KeyValuePair<TKey, IList<TValue>>[], int)

Copy items of the Multimap to an array, starting at a particular array index.

Declaration

public void CopyTo(KeyValuePair<TKey, IList<TValue>>[] array, int arrayIndex)

Parameters

Type	Name	Description
KeyValuePair<TKey, IList<TValue>>[]	array	The array that is the destination of the items copied from Multimap. The array must have zero-based indexing.
int	arrayIndex	The zero-based index in array at which copying begins.

Exceptions

Type	Condition
NotImplementedException	Method needs to be implemented

GetEnumerator()

To get the enumerator.

Declaration

public IEnumerator<KeyValuePair<TKey, IList<TValue>>> GetEnumerator()

Returns

Type	Description
IEnumerator<KeyValuePair<TKey, IList<TValue>>>	Enumerator

Remove(KeyValuePair<TKey, IList<TValue>>)

Removes the specified item from the Multimap.

Declaration

public bool Remove(KeyValuePair<TKey, IList<TValue>> item)

Parameters

Type	Name	Description
KeyValuePair<TKey, IList<TValue>>	item	Key value pair

Returns

Type	Description
bool	true if the item is successfully removed; otherwise, false.

Exceptions

Type	Condition
NotImplementedException	Method needs to be implemented

Remove(TKey)

Removes item with the specified key from the Multimap.

Declaration

public bool Remove(TKey key)

Parameters

Type	Name	Description
TKey	key	The key to locate in the Multimap.

Returns

Type	Description
bool	true if the item is successfully removed; otherwise, false.

TryGetValue(TKey, out IList<TValue>)

Gets the value associated with the specified key.

Declaration

public bool TryGetValue(TKey key, out IList<TValue> value)

Parameters

Type	Name	Description
TKey	key	The key whose value to get.
IList<TValue>	value	When this method returns, the value associated with the specified key, if the key is found; otherwise, the default value for the type of the value parameter. This parameter is passed uninitialized.

Returns

Type	Description
bool	true if the object that implements Multimap contains an item with the specified key; otherwise, false.

Implements

IDictionary<TKey, TValue>

ICollection<T>

IEnumerable<T>

IEnumerable