用來訂閱 Rx 測試中可觀察序列的預設虛擬時間。
Namespace：Microsoft.Reactive.Testing
裝配： Microsoft.Reactive.Testing (in Microsoft.Reactive.Testing.dll)
語法
'Declaration
Public Const Subscribed As Long
'Usage
Dim value As Long
value = ReactiveTest.Subscribed
public const long Subscribed
public:
literal long long Subscribed
static val mutable Subscribed: int64
public const var Subscribed : long