BitMapinfo结构

[StructLayoutAttribute(LayoutKind.Sequential)]
public  struct  BITMAPINFO
{
    /// BITMAPINFOHEADER->tagBITMAPINFOHEADER
    public  BITMAPINFOHEADER bmiHeader;

    /// RGBQUAD[1]
    [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 1, ArraySubType = UnmanagedType.Struct)]
    public  RGBQUAD[] bmiColors;
}

[StructLayoutAttribute(LayoutKind.Sequential)]
public  struct  BITMAPINFOHEADER
{
    /// DWORD->unsigned int
    public  uint  biSize;

    /// LONG->int
    public  int  biWidth;

    /// LONG->int
    public  int  biHeight;

    /// WORD->unsigned short
    public  ushort  biPlanes;

    /// WORD->unsigned short
    public  ushort  biBitCount;

    /// DWORD->unsigned int
    public  uint  biCompression;

    /// DWORD->unsigned int
    public  uint  biSizeImage;

    /// LONG->int
    public  int  biXPelsPerMeter;

    /// LONG->int
    public  int  biYPelsPerMeter;

    /// DWORD->unsigned int
    public  uint  biClrUsed;

    /// DWORD->unsigned int
    public  uint  biClrImportant;
}

[StructLayoutAttribute(LayoutKind.Sequential)]
public  struct  RGBQUAD
{
    /// BYTE->unsigned char
    public  byte  rgbBlue;

    /// BYTE->unsigned char
    public  byte  rgbGreen;

    /// BYTE->unsigned char
    public  byte  rgbRed;

    /// BYTE->unsigned char
    public  byte  rgbReserved;
}

public  partial  class  NativeMethods
{

    /// Return Type: BOOL->int
    ///pData: UCHAR**
    ///pInfo: BITMAPINFO**
    [DllImportAttribute( "" , EntryPoint =  "MAG_GetOutputColorBardata" )]
    [ return : MarshalAsAttribute(UnmanagedType.Bool)]
    public  static  extern  bool  MAG_GetOutputColorBardata( ref  IntPtr pData,  ref  IntPtr pInfo);

} 转自 http://bbs.csdn.net/topics/390324273?page=1