txtPath.Text= IIS://Localhost/W3SVC/AppPools/DefaultAppPool;
DirectoryEntry pool = new DirectoryEntry(txtPath.Text.Trim());
lvPoolProties.Items.Clear();
////显示属性
//foreach (string name in pool.Properties.PropertyNames)
//{
// ListViewItem item = new ListViewItem(name+":"+ pool.Properties[name].Value.ToString());
// lvPoolProties.Items.Add(item);
//}
object[] s = pool.Invoke("EnumAppsInPool", null) as object[];
MessageBox.Show(s.Length.ToString());
foreach (object o in s)
{
ListViewItem item = new ListViewItem(o.ToString());
lvPoolProties.Items.Add(item);
}