初始化 HistoricalScheduler 类的新实例。
Namespace：System.Reactive.Concurrency
装配： System.Reactive.dll) 中的 System.Reactive (
语法
'Declaration
Public Sub New
'Usage
Dim instance As New HistoricalScheduler()
public HistoricalScheduler()
public:
HistoricalScheduler()
new : unit -> HistoricalScheduler
public function HistoricalScheduler()