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