public void StructTest(ref Core.Util.Buffer b)
{
b.Reset();
b.SetAlignment(4);
b.WriteByte(0xAA); // 0
b.WriteUInt(0xBBCCDDEE); // 4
b.WriteUShort(0xFFAA); // 8
b.WriteByte(0xBB); // 10
b.WriteULong(0xCCDDEEFFAABBCCDD); // 12
}