匹配所有可观测序列都具有可用值并投影值。
Namespace:System.Reactive.Joins
装配: system.Reactive.Providers 在 System.Reactive.Providers.dll) 中 (
语法
'Declaration
Public Function Then(Of TResult) ( _
selector As Expression(Of Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, TResult)) _
) As QueryablePlan(Of TResult)
'Usage
Dim instance As QueryablePattern
Dim selector As Expression(Of Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, TResult))
Dim returnValue As QueryablePlan(Of TResult)
returnValue = instance.Then(selector)
public QueryablePlan<TResult> Then<TResult>(
Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, TResult>> selector
)
public:
generic<typename TResult>
QueryablePlan<TResult>^ Then(
Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, TResult>^>^ selector
)
member Then :
selector:Expression<Func<'T1, 'T2, 'T3, 'T4, 'T5, 'T6, 'T7, 'T8, 'T9, 'T10, 'T11, 'T12, 'T13, 'T14, 'T15, 'T16, 'TResult>> -> QueryablePlan<'TResult>
JScript does not support generic types and methods.
类型参数
- TResult
选择器函数的返回值的类型。
参数
- 选择器
类型: System.Linq.Expressions.Expression<Func<T1、 T2、 T3、 T4、 T5、 T6、 T7、 T8、 T9、 T10、 T11、 T12、 T13、 T14、 T15、 T16、TResult>>
将结果投影到下一个观察程序的函数。
返回值
类型: System.Reactive.Joins.QueryablePlan<TResult>
联接可查询模式的执行计划。
另请参阅
参考
QueryablePattern<T1、T2、T3、T4、T5、T6、T7、T8、T9、T10、T11、T12、T13、T14、T15、T16> 类