QStreamable.ThenBy<TPayload, TKey> 方法
將排序索引鍵加入至排序視窗定義。
命名空間: Microsoft.ComplexEventProcessing.Linq
組件: Microsoft.ComplexEventProcessing (在 Microsoft.ComplexEventProcessing.dll 中)
語法
'宣告
<ExtensionAttribute> _
Public Shared Function ThenBy(Of TPayload, TKey) ( _
source As IQOrderedWindow(Of TPayload), _
keySelector As Expression(Of Func(Of TPayload, TKey)) _
) As IQOrderedWindow(Of TPayload)
'用途
Dim source As IQOrderedWindow(Of TPayload)
Dim keySelector As Expression(Of Func(Of TPayload, TKey))
Dim returnValue As IQOrderedWindow(Of TPayload)
returnValue = source.ThenBy(keySelector)
public static IQOrderedWindow<TPayload> ThenBy<TPayload, TKey>(
this IQOrderedWindow<TPayload> source,
Expression<Func<TPayload, TKey>> keySelector
)
[ExtensionAttribute]
public:
generic<typename TPayload, typename TKey>
static IQOrderedWindow<TPayload>^ ThenBy(
IQOrderedWindow<TPayload>^ source,
Expression<Func<TPayload, TKey>^>^ keySelector
)
static member ThenBy :
source:IQOrderedWindow<'TPayload> *
keySelector:Expression<Func<'TPayload, 'TKey>> -> IQOrderedWindow<'TPayload>
JScript 不支援泛型型別及方法。
型別參數
- TPayload
視窗裝載類型。
- TKey
索引鍵類型。
參數
- source
型別:Microsoft.ComplexEventProcessing.Linq.IQOrderedWindow<TPayload>
視窗。
- keySelector
型別:System.Linq.Expressions.Expression<Func<TPayload, TKey>>
排序索引鍵選取器。
傳回值
型別:Microsoft.ComplexEventProcessing.Linq.IQOrderedWindow<TPayload>
排序的視窗。
使用注意事項
在 Visual Basic 及 C# 中,您可以在任何型別 IQOrderedWindow<TPayload> 的物件上將這個方法做為執行個體方法呼叫。使用執行個體方法語法呼叫這個方法時,請省略第一個參數。如需詳細資訊,請參閱 https://msdn.microsoft.com/zh-tw/library/bb384936(v=sql.111) 或 https://msdn.microsoft.com/zh-tw/library/bb383977(v=sql.111)。