C# Definition:

struct EXPLICIT_ACCESS {
   public TODO;
}

VB Definition:

    <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Auto, Pack:=4)> _
    Public Structure EXPLICIT_ACCESS
    Dim grfAccessPermissions As Integer
    Dim grfAccessMode As Integer
    Dim grfInheritance As Integer
    Dim Trustee As TRUSTEE
    End Structure

User-Defined Field Types:

TRUSTEE

Notes:

Definition from the API

    'typedef struct _EXPLICIT_ACCESS {
    '  DWORD grfAccessPermissions;
    '  ACCESS_MODE grfAccessMode;
    '  DWORD grfInheritance;
    '  TRUSTEE Trustee;
    '} EXPLICIT_ACCESS, *PEXPLICIT_ACCESS;