IShellFolder ShellFolder,

            ref Guid_IShellFolder.IID_IShellFolder,

        IShellFolder sfParent = obj as IShellFolder;

    ///  managed equivalent of IShellFolder interface

    public interface IShellFolder

    public class Guid_IShellFolder

    public static Guid IID_IShellFolder =

    [In] IShellFolder psfParent,

static extern int SHGetDesktopFolder(ref IShellFolder ppshf);

  Function SHGetDesktopFolder(ByRef ppshf As IShellFolder) As Integer

    FOLDER = &H20000000            '   support BindToObject(IID_IShellFolder)

    BROWSABLE = &H8000000          '   supports IShellFolder, but only implements CreateViewObject() (non-folder view)

/// <param name="psf">[in] Pointer to an instance of IShellFolder whose simple pointer to an item identifier list (PIDL) is to be converted.</param>

               IShellFolder        psf,

    ///  managed equivalent of IShellFolder interface

    ///  Pinvoke:   http://pinvoke.net/default.aspx/Interfaces/IShellFolder.html

    public interface IShellFolder

    ///Retrieves an IShellFolder object for a subfolder.

    public class Guid_IShellFolder

    public static Guid IID_IShellFolder = new Guid("{000214E6-0000-0000-C000-000000000046}");

iShellFolder.GetDisplayNameOf(pidlItems[0], SHGNO.SHGDN_NORMAL,

        SFGAO_FOLDER        = 0x20000000,         // support BindToObject(IID_IShellFolder)

        SFGAO_BROWSABLE     = 0x08000000,         // supports IShellFolder, but only implements CreateViewObject() (non-folder view)

        '  . IShellFolder::EnumObjects can return without validating the enumeration object