// Get the information about the asset and displays it
public void ShowAsset( IVRBranch branch )
{
AssetDatas assetDatas = new AssetDatas( branch );
if( _currentAssetView == null )
{
_currentAssetView = ( AssetView )AssetDatasViewer.CurrentViewer.UI.OpenForm( typeof( AssetView ) );
_currentAssetView.FormClosing += new FormClosingEventHandler( assetView_Closed );
}
mDeleg_DocumentsAndScada = new Deleg( _service.GetAssetDocumentsAndScada );
AsyncCallback callback_DocumentsAndScada = new AsyncCallback( buildAssetView );
mDeleg_DocumentsAndScada.BeginInvoke( assetDatas, callback_DocumentsAndScada, null );
}
static void Main(string[] args)
{
//创建一个委托
Deleg proc = new Deleg(WriteSum);
//采用异步方式调用委托
//指定SumDone为异步操作完成后的回调函数
//指定ev为object参数，用于同步回调函数与主线程间操作
IAsyncResult async = proc.BeginInvoke(10, 20, SumDone, ev);
Console.WriteLine("主线程ID号为：{0}，异步操作已开始执行，正等待操作完成。", Thread.CurrentThread.ManagedThreadId);
//等待异步操作完成
ev.WaitOne();
Console.WriteLine("异步操作已完成！");
System.Console.ReadKey();
}