C # Determine if the mouse is on the NotifyIcon of its own program

    <summary>///    program Tray area icon Location////    </summary> public    class Iconinfo {//        <summary >///Tray handle////        </summary> public        IntPtr hWnd = IntPtr.Zero;        <summary>///x coordinates///        </summary> public        int x;        <summary>///        icons y coordinates///        </summary> public        int y;        <summary>///Icon Width///        </summary> public        int width;        <summary>///Icon Height///        </summary> public        int height;        public bool Iniconrect (point P)        {            if (p.x >= x && p.x <= x + Width && p.y >= Y &&am P P.Y <= Y + Height)            {                return true;            }            return false;        }    }

Added to the icon's MouseMove event to determine the icon position information

        Geticoninfo (); <pre name= "code" class= "CSharp" >        //Get icon position information        private void Geticoninfo ()        {            point p = cursor.position;            Myicon.hwnd = Windowfrompoint (p);            int btnsize = SendMessage (Myicon.hwnd, Tb_getbuttonsize, IntPtr.Zero, IntPtr.Zero);            Myicon.width = btnsize & 0xFFFF;            Myicon.height = (btnsize/0x10000) & 0xFFFF;            Rect rect = new rect ();            if (GetWindowRect (Myicon.hwnd, out rect))            {                if (myicon.width! = 0 && Myicon.height! = 0)                {                    myicon.x = (p.x-rect. LEFT-PY)/myicon.width * myicon.width + rect. Left + py;                    MYICON.Y = (p.y-rect. TOP-PY)/myicon.height * myicon.height + rect. Top + py;}}}        

Variables and functions used

        <summary>////different operating system offsets///</summary> private int py = 0;        Private Const int wm_user = 0x400;        Private Const int tb_getbuttonsize = Wm_user + 58;        Private Const int wm_syscommand = 0x112;        Private Const long sc_minimize = 0xf020;        Private Const int wm_mousemove = 0x0200; [DllImport ("User32.dll")] public static extern int SendMessage (INTPTR hwnd, int wmsg, IntPtr wParam, IntPtr LParam)        ;        [DllImport ("User32.dll")] private static extern bool GetWindowRect (INTPTR hwnd, out Rect lpRect);        [DllImport ("User32.dll")] private static extern IntPtr Windowfrompoint (point P);        <summary>///Icon Information///</summary> private Iconinfo Myicon = new Iconinfo ();            After the WIN7 system has a two-pixel offset program load, add the following code operatingsystem OS = environment.osversion; if (OS. Platform = = platformid.win32nt && os. Version.major >= 6) {                PY = 2; }

C # Determine if the mouse is on the NotifyIcon of its own program