Represents a nongeneric collection of key/value pairs. More...

Inheritance diagram for System.Collections.IDictionary:

Collaboration diagram for System.Collections.IDictionary:

Public Member Functions
bool	Contains (object key)
	Determines whether the T:System.Collections.IDictionary object contains an element with the specified key. More...

void	Add (object key, object value)
	Adds an element with the provided key and value to the T:System.Collections.IDictionary object. More...

void	Clear ()
	Removes all elements from the T:System.Collections.IDictionary object. More...

new IDictionaryEnumerator	GetEnumerator ()
	Returns an T:System.Collections.IDictionaryEnumerator object for the T:System.Collections.IDictionary object. More...

void	Remove (object key)
	Removes the element with the specified key from the T:System.Collections.IDictionary object. More...

Public Member Functions inherited from System.Collections.ICollection
void	CopyTo (Array array, int index)
	Copies the elements of the T:System.Collections.ICollection to an T:System.Array, starting at a particular T:System.Array index. More...

Properties
object	this[object key] `[get, set]`
	Gets or sets the element with the specified key. More...

ICollection	Keys `[get]`
	Gets an T:System.Collections.ICollection object containing the keys of the T:System.Collections.IDictionary object. More...

ICollection	Values `[get]`
	Gets an T:System.Collections.ICollection object containing the values in the T:System.Collections.IDictionary object. More...

bool	IsReadOnly `[get]`
	Gets a value indicating whether the T:System.Collections.IDictionary object is read-only. More...

bool	IsFixedSize `[get]`
	Gets a value indicating whether the T:System.Collections.IDictionary object has a fixed size. More...

Properties inherited from System.Collections.ICollection
int	Count `[get]`
	Gets the number of elements contained in the T:System.Collections.ICollection. More...

object	SyncRoot `[get]`
	Gets an object that can be used to synchronize access to the T:System.Collections.ICollection. More...

bool	IsSynchronized `[get]`
	Gets a value indicating whether access to the T:System.Collections.ICollection is synchronized (thread safe). More...

Detailed Description

Represents a nongeneric collection of key/value pairs.

Definition at line 8 of file IDictionary.cs.

Member Function Documentation

◆ Add()

void System.Collections.IDictionary.Add	(	object	key,
		object	value
	)

Adds an element with the provided key and value to the T:System.Collections.IDictionary object.

Parameters

key	The T:System.Object to use as the key of the element to add.
value	The T:System.Object to use as the value of the element to add.

Exceptions

T:System.ArgumentNullException	key is `null`.
T:System.ArgumentException	An element with the same key already exists in the T:System.Collections.IDictionary object.
T:System.NotSupportedException	The T:System.Collections.IDictionary is read-only.-or- The T:System.Collections.IDictionary has a fixed size.

Implemented in System.Collections.Hashtable, System.Collections.SortedList, System.Collections.Specialized.ListDictionary, System.Collections.Specialized.OrderedDictionary, System.Collections.Specialized.HybridDictionary, and System.Runtime.Remoting.Channels.BaseChannelObjectWithProperties.

◆ Clear()

void System.Collections.IDictionary.Clear ( )

Removes all elements from the T:System.Collections.IDictionary object.

Exceptions

T:System.NotSupportedException The T:System.Collections.IDictionary object is read-only.

Implemented in System.Collections.Hashtable, System.Collections.SortedList, System.Collections.Concurrent.ConcurrentDictionary< TKey, TValue >, System.Collections.Specialized.ListDictionary, System.ComponentModel.PropertyDescriptorCollection, System.Collections.Specialized.OrderedDictionary, System.Collections.Specialized.HybridDictionary, System.Collections.DictionaryBase, and System.Runtime.Remoting.Channels.BaseChannelObjectWithProperties.

◆ Contains()

bool System.Collections.IDictionary.Contains ( object key )

Determines whether the T:System.Collections.IDictionary object contains an element with the specified key.

Parameters

key	The key to locate in the T:System.Collections.IDictionary object.

Returns: true if the T:System.Collections.IDictionary contains an element with the key; otherwise, false.

Exceptions

T:System.ArgumentNullException key is null.

Implemented in System.Collections.Hashtable, System.Collections.SortedList, System.Collections.Specialized.ListDictionary, System.Collections.Specialized.OrderedDictionary, System.Collections.Specialized.HybridDictionary, and System.Runtime.Remoting.Channels.BaseChannelObjectWithProperties.

◆ GetEnumerator()

new IDictionaryEnumerator System.Collections.IDictionary.GetEnumerator ( )

Returns an T:System.Collections.IDictionaryEnumerator object for the T:System.Collections.IDictionary object.

Returns: An T:System.Collections.IDictionaryEnumerator object for the T:System.Collections.IDictionary object.

Implements System.Collections.IEnumerable.

Implemented in System.Collections.Hashtable, System.Collections.SortedList, System.Collections.Concurrent.ConcurrentDictionary< TKey, TValue >, System.Collections.ObjectModel.ReadOnlyDictionary< TKey, TValue >, System.ComponentModel.PropertyDescriptorCollection, System.Collections.Specialized.OrderedDictionary, System.Collections.Specialized.ListDictionary, System.Collections.Specialized.HybridDictionary, System.Collections.DictionaryBase, System.Runtime.Remoting.Channels.BaseChannelObjectWithProperties, and System.Collections.Specialized.IOrderedDictionary.

◆ Remove()

void System.Collections.IDictionary.Remove ( object key )

Removes the element with the specified key from the T:System.Collections.IDictionary object.

Parameters

key	The key of the element to remove.

Exceptions

T:System.ArgumentNullException	key is `null`.
T:System.NotSupportedException	The T:System.Collections.IDictionary object is read-only.-or- The T:System.Collections.IDictionary has a fixed size.

Implemented in System.Collections.Hashtable, System.Collections.SortedList, System.Collections.Specialized.ListDictionary, System.Collections.Specialized.OrderedDictionary, System.Collections.Specialized.HybridDictionary, and System.Runtime.Remoting.Channels.BaseChannelObjectWithProperties.

Property Documentation

◆ IsFixedSize

bool System.Collections.IDictionary.IsFixedSize

get

Gets a value indicating whether the T:System.Collections.IDictionary object has a fixed size.

Returns: true if the T:System.Collections.IDictionary object has a fixed size; otherwise, false.

Definition at line 58 of file IDictionary.cs.

◆ IsReadOnly

bool System.Collections.IDictionary.IsReadOnly

get

Gets a value indicating whether the T:System.Collections.IDictionary object is read-only.

Returns: true if the T:System.Collections.IDictionary object is read-only; otherwise, false.

Definition at line 48 of file IDictionary.cs.

◆ Keys

ICollection System.Collections.IDictionary.Keys

get

Gets an T:System.Collections.ICollection object containing the keys of the T:System.Collections.IDictionary object.

Returns: An T:System.Collections.ICollection object containing the keys of the T:System.Collections.IDictionary object.

Definition at line 29 of file IDictionary.cs.

◆ this[object key]

object System.Collections.IDictionary.this[object key]

getset

Gets or sets the element with the specified key.

Parameters

key	The key of the element to get or set.

Returns: The element with the specified key, or null if the key does not exist.

Exceptions

T:System.ArgumentNullException	key is `null`.
T:System.NotSupportedException	The property is set and the T:System.Collections.IDictionary object is read-only.-or- The property is set, key does not exist in the collection, and the T:System.Collections.IDictionary has a fixed size.

Definition at line 18 of file IDictionary.cs.

◆ Values

ICollection System.Collections.IDictionary.Values

get

Gets an T:System.Collections.ICollection object containing the values in the T:System.Collections.IDictionary object.

Returns: An T:System.Collections.ICollection object containing the values in the T:System.Collections.IDictionary object.

Definition at line 38 of file IDictionary.cs.

The documentation for this interface was generated from the following file:

D:/All cs/System.Collections/IDictionary.cs

Public Member Functions

Properties

Detailed Description

Member Function Documentation

◆ Add()

◆ Clear()

◆ Contains()

◆ GetEnumerator()

◆ Remove()

Property Documentation

◆ IsFixedSize

◆ IsReadOnly

◆ Keys

◆ this[object key]

◆ Values