C# Definition:

    [StructLayout(LayoutKind.Sequential, Pack=1)]
    public struct TBBUTTON
    {
        public int iBitmap;
        public int idCommand;
        public byte fsState;
        public byte fsStyle;
        public byte bReserved0;
        public byte bReserved1;
        public int dwData;
        public int iString;
    }

VB Definition:

    Public Structure TBBUTTON
    Public iBitmap As Integer
    Public idCommand As Integer
    Public fsState As Byte
    Public fsStyle As Byte
    Public bReserved0 As Byte
    Public bReserved1 As Byte
    Public dwData As Integer
    Public iString As Integer
    End Structure

User-Defined Field Types:

None.

Notes:

None.