Dictionary<TKey, TValue>::ICollection<KeyValuePair<TKey, TValue>>::Add Method (KeyValuePair<TKey, TValue>)
Adds the specified value to the ICollection<T> with the specified key.
Assembly: mscorlib (in mscorlib.dll)
private: virtual void Add( KeyValuePair<TKey, TValue> keyValuePair ) sealed = ICollection<KeyValuePair<TKey, TValue>>::Add
Parameters
- keyValuePair
-
Type:
System.Collections.Generic::KeyValuePair<TKey, TValue>
The KeyValuePair<TKey, TValue> structure representing the key and value to add to the Dictionary<TKey, TValue>.
Implements
ICollection<T>::Add(T)| Exception | Condition |
|---|---|
| ArgumentNullException | The key of keyValuePair is null. |
| ArgumentException | An element with the same key already exists in the Dictionary<TKey, TValue>. |
The following example shows how to use the ICollection<KeyValuePair<TKey, TValue>>::Add, ICollection<KeyValuePair<TKey, TValue>>::Contains, ICollection<KeyValuePair<TKey, TValue>>::CopyTo, and ICollection<KeyValuePair<TKey, TValue>>::Remove methods of the ICollection<T> generic interface to manipulate a Dictionary<TKey, TValue> object.
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1