NameValueCollection.GetKey(Int32) NameValueCollection.GetKey(Int32) NameValueCollection.GetKey(Int32) NameValueCollection.GetKey(Int32) Method

定義

取得 NameValueCollection 的指定索引的索引鍵。Gets the key at the specified index of the NameValueCollection.

public:
 virtual System::String ^ GetKey(int index);
public virtual string GetKey (int index);
abstract member GetKey : int -> string
override this.GetKey : int -> string
Public Overridable Function GetKey (index As Integer) As String

參數

index
Int32 Int32 Int32 Int32

從集合取得的以零起始的索引鍵索引。The zero-based index of the key to get from the collection.

傳回

String,包含 NameValueCollection 的指定索引中的索引鍵 (如果找到的話),否則為 nullA String that contains the key at the specified index of the NameValueCollection, if found; otherwise, null.

例外狀況

index 超出集合索引的有效範圍。index is outside the valid range of indexes for the collection.

備註

這個方法是 o (1) 作業。This method is an O(1) operation.

適用於

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