ConcurrentDictionary<TKey,TValue>.IDictionary<TKey,TValue>.Add(TKey, TValue) 方法

定义

IDictionary<TKey,TValue> 中添加指定的键和值。Adds the specified key and value to the IDictionary<TKey,TValue>.

 virtual void System.Collections.Generic.IDictionary<TKey,TValue>.Add(TKey key, TValue value) = System::Collections::Generic::IDictionary<TKey, TValue>::Add;
void IDictionary<TKey,TValue>.Add (TKey key, TValue value);
abstract member System.Collections.Generic.IDictionary<TKey,TValue>.Add : 'Key * 'Value -> unit
override this.System.Collections.Generic.IDictionary<TKey,TValue>.Add : 'Key * 'Value -> unit
Sub Add (key As TKey, value As TValue) Implements IDictionary(Of TKey, TValue).Add

参数

key
TKey

用作要添加的元素的键的对象。The object to use as the key of the element to add.

value
TValue

用作要添加的元素的值的对象。The object to use as the value of the element to add.

实现

例外

keynullkey is null.

ConcurrentDictionary<TKey,TValue> 中已存在具有相同键的元素。An element with the same key already exists in the ConcurrentDictionary<TKey,TValue>.

字典包含过多元素。The dictionary contains too many elements.

适用于