C# Definition:

struct LANA_ENUM {
   public TODO;
}

VB Definition:

    Private Const MAX_LANA As Integer = 254

    <StructLayout(LayoutKind.Sequential)> _
    Private Structure LANA_ENUM
    Dim length As Byte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=MAX_LANA + 1)> Dim lana() As Byte
    End Structure

User-Defined Field Types:

None.

Notes:

    /*
     *  Structure returned to the NCB command NCBENUM.
     *
     *  On a system containing lana's 0, 2 and 3, a structure with
     *  length =3, lana[0]=0, lana[1]=2 and lana[2]=3 will be returned.
     */

    typedef struct _LANA_ENUM {
    UCHAR   length;     //  Number of valid entries in lana[]
    UCHAR   lana[MAX_LANA+1];
    } LANA_ENUM, *PLANA_ENUM;