/// 打开目标文件所在的文件夹
if (SUCCEEDED(GetShellFolderViewDual(pidl, &pIShellFolderViewDual)))
{
pidl2->mkid.cb = cb;
// 0 Deselect the item.
// 1 Select the item.
// 3 Put the item in edit mode.
// 4 Deselect all but the specified item.
// 8 Ensure the item is displayed in the view.
// 0x10 Give the item the focus.
COleVariant bszFile(pidl2);