C# Definition:

[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct TOOLTIPTEXT
{
   public NMHDR hdr;
   public IntPtr lpszText;
   [MarshalAs(UnmanagedType.ByValTStr, SizeConst=80)]
   public string szText;
   public IntPtr hinst;
   public int uFlags;
}

VB Definition:

Structure TOOLTIPTEXT
   Public TODO
End Structure

User-Defined Field Types:

None.

Notes:

None.