private static IEnumerable <string> GetFolders(Shell.IShellItem shellItem)
{
var id = new Guid(Shell.ShellGuids.IShellItemArray);
var shellLibrary = (Shell.IShellLibrary) new Shell.ShellLibrary();
var shellItems = default(Shell.IShellItemArray);
try
{
shellLibrary.LoadLibraryFromItem(shellItem, Shell.AccessModes.Read);
try
{
var result = shellLibrary.GetFolders(Shell.LibraryFolderFilter.AllItems, ref id, out shellItems);
if (result == Shell.HResult.S_OK)
{
foreach (var folder in GetFolders(shellItems))
{
yield return(folder);
}
}
}
finally
{
Marshal.ReleaseComObject(shellItems);
}
}
finally
{
Marshal.ReleaseComObject(shellLibrary);
}
}
private static string GetDisplayName(Shell.IShellItem shellItem, Shell.SIGDN sigdn)
{
var pointer = shellItem.GetDisplayName(sigdn);
var result = Marshal.PtrToStringUni(pointer);
Marshal.FreeCoTaskMem(pointer);
return(result);
}
void IInitializeWithItem.Initialize(Shell.IShellItem shellItem, Shell.AccessModes accessMode)
{
_shellObject = ShellObjectFactory.Create(shellItem);
}