Dictionary<TKey,TValue>.KeyCollection.ICollection<TKey>.Add(TKey) 方法

定义

将某项添加到 ICollection<T> 中。Adds an item to the ICollection<T>. 此实现始终引发 NotSupportedExceptionThis implementation always throws NotSupportedException.

 virtual void System.Collections.Generic.ICollection<TKey>.Add(TKey item) = System::Collections::Generic::ICollection<TKey>::Add;
void ICollection<TKey>.Add (TKey item);
abstract member System.Collections.Generic.ICollection<TKey>.Add : 'Key -> unit
override this.System.Collections.Generic.ICollection<TKey>.Add : 'Key -> unit
Sub Add (item As TKey) Implements ICollection(Of TKey).Add

参数

item
TKey

要添加到 ICollection<T> 的对象。The object to add to the ICollection<T>.

实现

例外

始终引发。Always thrown.

适用于

另请参阅