构造依赖于资源对象的可观察序列。
Namespace：System.Reactive.Linq
装配： System.Reactive.dll) 中的 System.Reactive (
语法
'Declaration
Public Shared Function Using(Of TSource, TResource As IDisposable) ( _
resourceFactory As Func(Of TResource), _
observableFactory As Func(Of TResource, IObservable(Of TSource)) _
) As IObservable(Of TSource)
'Usage
Dim resourceFactory As Func(Of TResource)
Dim observableFactory As Func(Of TResource, IObservable(Of TSource))
Dim returnValue As IObservable(Of TSource)
returnValue = Observable.Using(resourceFactory, _
observableFactory)
public static IObservable<TSource> Using<TSource, TResource>(
Func<TResource> resourceFactory,
Func<TResource, IObservable<TSource>> observableFactory
)
where TResource : IDisposable
public:
generic<typename TSource, typename TResource>
where TResource : IDisposable
static IObservable<TSource>^ Using(
Func<TResource>^ resourceFactory,
Func<TResource, IObservable<TSource>^>^ observableFactory
)
static member Using :
resourceFactory:Func<'TResource> *
observableFactory:Func<'TResource, IObservable<'TSource>> -> IObservable<'TSource> when 'TResource : IDisposable
JScript does not support generic types and methods.
类型参数
- TSource
源的类型。
- TResource
资源的类型。
参数
- resourceFactory
类型： System.Func<TResource>
用于获取资源对象的工厂函数。
- observableFactory
类型： System.Func<TResource、 IObservable<TSource>>
用于获取依赖于所获取资源的可观察序列的工厂函数。
返回值
类型： System.IObservable<TSource>
可观测序列，其生存期控制依赖资源对象的生存期。