SWP_NOMOVE  =  0x2;
public  const  int  SWP_NOZORDER  =  0x4;
public  const  int  WM_CAP_DRIVER_CONNECT  =  WM_USER  +  10;
public  const  int  WM_CAP_DRIVER_DISCONNECT  =  WM_USER  +  11;
public  const  int  WM_CAP_SET_CALLBACK_FRAME  =  WM_USER  +  5;
public  const  int  WM_CAP_SET_PREVIEW  =  WM_USER  +  50;
public  const  int  WM_CAP_SET_PREVIEWRATE  =  WM_USER  +  52;
public  const  int  WM_CAP_SET_VIDEOFORMAT  =  WM_USER  +  45;
  
//  Structures
[StructLayout(LayoutKind.Sequential)]  public  struct  VIDEOHDR
{
[MarshalAs(UnmanagedType.I4)]  public  int  lpData;
[MarshalAs(UnmanagedType.I4)]  public  int  dwBufferLength;
[MarshalAs(UnmanagedType.I4)]  public  int  dwBytesUsed;
[MarshalAs(UnmanagedType.I4)]  public  int  dwTimeCaptured;
[MarshalAs(UnmanagedType.I4)]  public  int  dwUser;
[MarshalAs(UnmanagedType.I4)]  public  int  dwFlags;
[MarshalAs(UnmanagedType.ByValArray,  SizeConst=4)]  public  int  dwReserved;
}

[structlayout(layoutkind.sequential)]  public  struct  bitmapinfoheader
{
[MarshalAs(UnmanagedType.I4)]  public  Int32  biSize  ;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biWidth  ;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biHeight  ;
[MarshalAs(UnmanagedType.I2)]  public  short  biPlanes;
[MarshalAs(UnmanagedType.I2)]  public  short  biBitCount  ;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biCompression;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biSizeImage;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biXPelsPerMeter;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biYPelsPerMeter;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biClrUsed;
[MarshalAs(UnmanagedType.I4)]  public  Int32  biClrImportant;
}  

[structlayout(layoutkind.sequential)]  public  struct  bitmapinfo
{
[MarshalAs(UnmanagedType.Struct,  SizeConst=40)]  public  BITMAPI