語言

ServiceHostBase.OnBeginOpen(TimeSpan, AsyncCallback, Object) 方法

定義

在服務主機開啟時啟動非同步操作。

protected:
 override IAsyncResult ^ OnBeginOpen(TimeSpan timeout, AsyncCallback ^ callback, System::Object ^ state);
protected override sealed IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state);
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state);
override this.OnBeginOpen : TimeSpan * AsyncCallback * obj -> IAsyncResult
Protected Overrides NotOverridable Function OnBeginOpen (timeout As TimeSpan, callback As AsyncCallback, state As Object) As IAsyncResult
Protected Overrides Function OnBeginOpen (timeout As TimeSpan, callback As AsyncCallback, state As Object) As IAsyncResult

參數

timeout
TimeSpan

那 TimeSpan 個 就是指定開啟操作完成多久才會逾時。

callback
AsyncCallback

AsyncCallback接收非同步操作在開啟完成時通知的代理。

state
Object

由應用程式指定的物件,包含與非同步開啟操作相關的狀態資訊。

傳回

那 IAsyncResult 個指的是非同步開機操作。

適用於