public string ToString(PITEMID_CHILD pidl)
{
if (uType == STRRET_TYPE.WSTR)
{
if (pOleStr == IntPtr.Zero)
{
return(null);
}
string str = Marshal.PtrToStringUni(pOleStr);
return(str);
}
else
{
string str;
int res = StrRetToBSTR(this, pidl, out str);
if (res < 0)
{
Marshal.ThrowExceptionForHR(res);
}
return(str);
}
}
public static IEnumerable <PITEMID_CHILD> Enumerate(this IShellFolder sf)
{
IEnumIDList ppenumIDList;
sf.EnumObjects(IntPtr.Zero, 0x00020 /* SHCONTF_FOLDERS */ | 0x00040 /* SHCONTF_NONFOLDERS */, out ppenumIDList);
if (ppenumIDList == null)
{
yield break;
}
var items = new PITEMID_CHILD[1];
while (true)
{
int fetched;
ppenumIDList.Next(items.Length, items, out fetched);
if (fetched == 0)
{
break;
}
yield return(items[0]);
}
}
private static extern int StrRetToBSTR(STRRET pstr, PITEMID_CHILD pidl, [MarshalAs(UnmanagedType.BStr)] out string pbstr);
