ntwain/NTwain/Interop/BITMAPINFO.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Drawing.Imaging;
using System.Drawing;

namespace NTwain.Interop
{
    // this is a good read
    // http://atlc.sourceforge.net/bmp.html

    /// <summary>
    /// Defines the dimensions and color information for a DIB.
    /// </summary>
    [StructLayout(LayoutKind.Sequential)]
	public struct BITMAPINFO
    {
        /// <summary>
        /// Structure that contains information about the dimensions of color format.
        /// </summary>
        public BITMAPINFOHEADER bmiHeader;
        /// <summary>
        /// This contains one of the following:
        /// 1. An array of RGBQUAD. The elements of the array that make up the color table.
        /// 2. An array of 16-bit unsigned integers that specifies indexes into the currently realized logical palette. This use of bmiColors is allowed for functions that use DIBs.
        /// The number of entries in the array depends on the values of the biBitCount and biClrUsed members of the BITMAPINFOHEADER structure.
        /// </summary>
        public IntPtr bmiColors;

    };
}