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

定义

IDictionary<TKey,TValue> 中移除包含指定键的元素。Removes the element with the specified key from the IDictionary<TKey,TValue>.

 virtual bool System.Collections.Generic.IDictionary<TKey,TValue>.Remove(TKey key) = System::Collections::Generic::IDictionary<TKey, TValue>::Remove;
bool IDictionary<TKey,TValue>.Remove (TKey key);
abstract member System.Collections.Generic.IDictionary<TKey,TValue>.Remove : 'Key -> bool
override this.System.Collections.Generic.IDictionary<TKey,TValue>.Remove : 'Key -> bool
Function Remove (key As TKey) As Boolean Implements IDictionary(Of TKey, TValue).Remove

参数

key
TKey

要移除的元素的键。The key of the element to remove.

返回

Boolean

如果该元素已成功移除,则为 true;否则为 falsetrue if the element is successfully removed; otherwise, false. 如果在原始 false 中没有找到 key,此方法也会返回 IDictionary<TKey,TValue>This method also returns false if key was not found in the original IDictionary<TKey,TValue>.

实现

例外

keynullkey is null.

适用于