public async void IndexAsync(List <FileMeta> lst, LuceneIndex luceneIndex)
{
PptWorker worker = new PptWorker();
worker.PptApp = new Microsoft.Office.Interop.PowerPoint.Application();
//worker.PptApp.Visible = false;
worker.luceneIndex = luceneIndex;
System.Threading.Tasks.Task[] tasks = new System.Threading.Tasks.Task[lst.Count];
for (int i = 0; i < lst.Count; i++)
{
worker.fileMeta = lst[i];
tasks[i] = System.Threading.Tasks.Task.Run(() => DoAsync(worker));
}
await System.Threading.Tasks.Task.WhenAll(tasks);
sError = worker.sbErr.ToString();
worker.QuitApp();
}
public static void DoAsync(PptWorker worker)
{
worker.Add2Index();
}