OptionalProperty.IsCollectionDefined 方法
定義
重要
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多載
| 名稱 | Description |
|---|---|
| IsCollectionDefined<T>(IEnumerable<T>) | |
| IsCollectionDefined<TKey,TValue>(IDictionary<TKey,TValue>) | |
| IsCollectionDefined<TKey,TValue>(IReadOnlyDictionary<TKey,TValue>) |
IsCollectionDefined<T>(IEnumerable<T>)
public:
generic <typename T>
static bool IsCollectionDefined(System::Collections::Generic::IEnumerable<T> ^ collection);public static bool IsCollectionDefined<T>(System.Collections.Generic.IEnumerable<T> collection);static member IsCollectionDefined : seq<'T> -> boolPublic Shared Function IsCollectionDefined(Of T) (collection As IEnumerable(Of T)) As Boolean類型參數
- T
參數
- collection
- IEnumerable<T>
傳回
適用於
IsCollectionDefined<TKey,TValue>(IDictionary<TKey,TValue>)
public:
generic <typename TKey, typename TValue>
static bool IsCollectionDefined(System::Collections::Generic::IDictionary<TKey, TValue> ^ collection);public static bool IsCollectionDefined<TKey,TValue>(System.Collections.Generic.IDictionary<TKey,TValue> collection);static member IsCollectionDefined : System.Collections.Generic.IDictionary<'Key, 'Value> -> boolPublic Shared Function IsCollectionDefined(Of TKey, TValue) (collection As IDictionary(Of TKey, TValue)) As Boolean類型參數
- TKey
- TValue
參數
- collection
- IDictionary<TKey,TValue>
傳回
適用於
IsCollectionDefined<TKey,TValue>(IReadOnlyDictionary<TKey,TValue>)
public:
generic <typename TKey, typename TValue>
static bool IsCollectionDefined(System::Collections::Generic::IReadOnlyDictionary<TKey, TValue> ^ collection);public static bool IsCollectionDefined<TKey,TValue>(System.Collections.Generic.IReadOnlyDictionary<TKey,TValue> collection);static member IsCollectionDefined : System.Collections.Generic.IReadOnlyDictionary<'Key, 'Value> -> boolPublic Shared Function IsCollectionDefined(Of TKey, TValue) (collection As IReadOnlyDictionary(Of TKey, TValue)) As Boolean類型參數
- TKey
- TValue
參數
- collection
- IReadOnlyDictionary<TKey,TValue>
