贡献所有的分，大家来帮忙，小弟实习的问题，谢谢各位，尤其感谢gomoku

B.Location.X = this.Location.X+this.Width;

B.Location.Y = this.Locaiton.Y;

typedef struct TxObject

{	

	long         status;            

	TxRegion     BaseRgn;                         //基准区域

	long         RecogID;                         //识别状态标志，0是未识别

	POINT        Contrail[MAXPOINTS];             //对象的运动轨迹（轨迹长度同生命长度）

} TxObject;



typedef struct tagPOINT

{

    LONG  x;

    LONG  y;

} POINT, *PPOINT, NEAR *NPPOINT, FAR *LPPOINT;



typedef struct TxRegion

{

	long cx; ///< the x-coordinate of the upper-left corner

} TxRegion; 

       [StructLayout(LayoutKind.Sequential)]

        struct TxObject

        {

          public int status;                         

            public TxRegion BaseRgn;                         //基准区域

            public int RecogID;                         //识别状态标志，0是未识别

           [MarshalAs( UnmanagedType.ByValArray, SizeConst=2000 )] 

           public POINT[] Contrail;

        } 

        [StructLayout(LayoutKind.Sequential)]

        struct TxRegion

        {

            public int cx; ///< the x-coordinate of the upper-left corner

        }   



        [StructLayout(LayoutKind.Sequential)]

         struct POINT

        {

             public int x;

             public int y;

         }