QStreamable.Where<TPayload> Method
Selection operator.
Namespace: Microsoft.ComplexEventProcessing.Linq
Assembly: Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function Where(Of TPayload) ( _
source As IQStreamable(Of TPayload), _
predicate As Expression(Of Func(Of TPayload, Boolean)) _
) As IQStreamable(Of TPayload)
'Usage
Dim source As IQStreamable(Of TPayload)
Dim predicate As Expression(Of Func(Of TPayload, Boolean))
Dim returnValue As IQStreamable(Of TPayload)
returnValue = source.Where(predicate)
public static IQStreamable<TPayload> Where<TPayload>(
this IQStreamable<TPayload> source,
Expression<Func<TPayload, bool>> predicate
)
[ExtensionAttribute]
public:
generic<typename TPayload>
static IQStreamable<TPayload>^ Where(
IQStreamable<TPayload>^ source,
Expression<Func<TPayload, bool>^>^ predicate
)
static member Where :
source:IQStreamable<'TPayload> *
predicate:Expression<Func<'TPayload, bool>> -> IQStreamable<'TPayload>
JScript does not support generic types and methods.
Type Parameters
- TPayload
The payload type.
Parameters
- source
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TPayload>
The input stream.
- predicate
Type: System.Linq.Expressions.Expression<Func<TPayload, Boolean>>
The filter expression.
Return Value
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TPayload>
The filtered stream.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IQStreamable<TPayload>. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=sql.111) or https://msdn.microsoft.com/en-us/library/bb383977(v=sql.111).