DictionaryEntry.Key 屬性

定義

命名空間:

System.Collections

組件:

System.Runtime.dll

來源:

DictionaryEntry.cs

取得或設定索引鍵/值組配對中的索引鍵。

public:
 property System::Object ^ Key { System::Object ^ get(); void set(System::Object ^ value); };

public object Key { get; set; }

member this.Key : obj with get, set

Public Property Key As Object

屬性值

Object

索引鍵/值組配對中的索引鍵。

範例

下列範例示範 Key 屬性。 此程式代碼範例是提供給 類別之較大範例的 DictionaryEntry 一部分。

public:
    virtual void Add(Object^ key, Object^ value)
    {
        // Add the new key/value pair even if this key already exists
        // in the dictionary.
        if (itemsInUse == items->Length)
        {
            throw gcnew InvalidOperationException
                ("The dictionary cannot hold any more items.");
        }
        items[itemsInUse++] = gcnew DictionaryEntry(key, value);
    }

public void Add(object key, object value)
{
    // Add the new key/value pair even if this key already exists in the dictionary.
    if (ItemsInUse == items.Length)
        throw new InvalidOperationException("The dictionary cannot hold any more items.");
    items[ItemsInUse++] = new DictionaryEntry(key, value);
}

Public Sub Add(ByVal key As Object, ByVal value As Object) Implements IDictionary.Add

    ' Add the new key/value pair even if this key already exists in the dictionary.
    If ItemsInUse = items.Length Then
        Throw New InvalidOperationException("The dictionary cannot hold any more items.")
    End If
    items(ItemsInUse) = New DictionaryEntry(key, value)
    ItemsInUse = ItemsInUse + 1
End Sub