fmt.cfFormat = CLIPFORMAT.CF_HDROP;

        public const int DV_E_CLIPFORMAT = (int)(0x8004006A - 0x100000000);

        public const int OLE_S_MAC_CLIPFORMAT = 0x00040002;

    public const int DV_E_CLIPFORMAT = unchecked((int)0x8004006A);

    public const int OLE_S_MAC_CLIPFORMAT = unchecked((int)0x00040002);

    Public Const DV_E_CLIPFORMAT As Integer = CInt(&H8004006aUI)

    Public Const OLE_S_MAC_CLIPFORMAT As Integer = CInt(&H40002)

    internal enum CLIPFORMAT : int

Declare Function CLIPFORMAT Lib "ole32.dll" (TODO) As TODO

static extern void ReadFmtUserTypeStg(IStorage pStg, out CLIPFORMAT pcf,

CLIPFORMAT

static extern void WriteFmtUserTypeStg(IStorage pStg, CLIPFORMAT cf, string lpszUserType);

CLIPFORMAT