C# Definition:

struct ITEMIDLIST {
   public TODO;
}

VB.NET Definition:

''' <summary>
''' Contains a list of item identifiers.
''' </summary>
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)> _
Public Structure ITEMIDLIST
      ''' <summary>
      ''' A list of item identifiers.
      ''' </summary>
      <MarshalAs(UnmanagedType.Struct)>Public mkid As SHITEMID
End Structure    

VB Definition:

Public Type ITEMIDLIST   ' idl
    mkid As SHITEMID
End Type

User-Defined Field Types:

SHITEMID

Notes:

None.