Example #1
0
 protected override IntPtr HookProcess(int nCode, IntPtr wParam, IntPtr lParam)
 {
     if (EnableEvents)
     {
         // If OK and someone listens to our events
         if (nCode >= 0)
         {
             var info = new CURSORINFO();
             info.Size = Marshal.SizeOf(info.GetType());
             if (!GetCursorInfo(out info))
             {
                 var ex = new System.ComponentModel.Win32Exception();
                 throw new Exception(ex.Message);
             }
             var button = MouseButtons.None;
             var param = wParam.ToInt32();
             // Marshall the data from callback.
             var mStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
             var delta = 0;
             var tu = new TestUnion { Number = mStruct.mouseData };
             MouseKey mk = 0;
             int lastX = 0;
             int lastY = 0;
             bool handled;
             switch (param)
             {
                 case WM_MOUSEMOVE:
                     var x = mStruct.pt.x;
                     var y = mStruct.pt.y;
                     if (prevX == -1 || prevY == -1)
                     {
                         scrnX = SystemInformation.VirtualScreen.Width - 1;
                         scrnY = SystemInformation.VirtualScreen.Height - 1;
                         prevX = x;
                         prevY = y;
                     }
                     lastX = x - prevX;
                     lastY = y - prevY;
                     var fX = (int)Math.Max(Math.Min(scrnX, x), 0);
                     var fY = (int)Math.Max(Math.Min(scrnY, y), 0);
                     if (fX != x || fY != y) SetCursorPos(fX, fY);
                     prevX = fX;
                     prevY = fY;
                     break;
                 case WM_LBUTTONDOWN:
                 case WM_LBUTTONUP:
                 case WM_LBUTTONDBLCLK:
                     button = MouseButtons.Left;
                     break;
                 case WM_MBUTTONDOWN:
                 case WM_MBUTTONUP:
                 case WM_MBUTTONDBLCLK:
                     button = MouseButtons.Middle;
                     break;
                 case WM_RBUTTONDOWN:
                 case WM_RBUTTONUP:
                 case WM_RBUTTONDBLCLK:
                     button = MouseButtons.Right;
                     break;
                 case WM_XBUTTONDOWN:
                 case WM_XBUTTONUP:
                 case WM_XBUTTONDBLCLK:
                     button = MouseButtons.XButton1;
                     if (tu.High == 1) mk = MouseKey.MK_XBUTTON1;
                     if (tu.High == 2) mk = MouseKey.MK_XBUTTON2;
                     break;
                 case WM_NCXBUTTONDOWN:
                 case WM_NCXBUTTONUP:
                 case WM_NCXBUTTONDBLCLK:
                     button = MouseButtons.XButton2;
                     if (tu.High == 1) mk = MouseKey.MK_XBUTTON1;
                     if (tu.High == 2) mk = MouseKey.MK_XBUTTON2;
                     break;
                 case WM_MOUSEWHEEL:
                 case WM_MOUSEHWHEEL:
                     delta = (int)tu.High;
                     mk = (MouseKey)tu.ULow;
                     break;
                 case WM_TOUCH:
                     try
                     {
                         handled = DecodeTouch(wParam, lParam);
                     }
                     catch (Exception ex)
                     {
                         if (OnError != null) OnError(this, new UnhandledExceptionEventArgs(ex, false));
                     }
                     break;
             }
             var ea = new MouseHookEventArgs(mStruct, info, mk, param, lastX, lastY);
             if (OnMouseHook != null) OnMouseHook(this, ea);
             int clickCount = 0;
             if (button != MouseButtons.None) clickCount = (param == WM_LBUTTONDBLCLK || param == WM_RBUTTONDBLCLK) ? 2 : 1;
             var e = new MouseEventArgs(button, clickCount, mStruct.pt.x, mStruct.pt.y, delta);
             // Raise Events.
             if (OnMouseUp != null && (param == WM_LBUTTONUP || param == WM_MBUTTONUP || param == WM_RBUTTONUP || param == WM_XBUTTONUP || param == WM_NCXBUTTONUP)) OnMouseUp(this, e);
             else if (OnMouseDown != null && (param == WM_LBUTTONDOWN || param == WM_MBUTTONDOWN || param == WM_RBUTTONDOWN || param == WM_XBUTTONDOWN || param == WM_NCXBUTTONDOWN)) OnMouseDown(this, e);
             else if (OnMouseMove != null && (param == WM_MOUSEMOVE)) OnMouseMove(this, e);
             else if (OnMouseWheel != null) OnMouseWheel(this, e);
             else if (OnMouseActivity != null) OnMouseActivity(this, e);
         }
     }
     return CallNextHookEx(hHook, nCode, wParam, lParam);
 }
Example #2
0
        protected override IntPtr Hook1Procedure(int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (EnableEvents)
            {
                // If OK and someone listens to our events
                if (nCode >= 0)
                {
                    var info = new CURSORINFO();
                    info.Size = Marshal.SizeOf(info.GetType());
                    if (!NativeMethods.GetCursorInfo(out info))
                    {
                        var ex = new System.ComponentModel.Win32Exception();
                        throw new Exception(ex.Message);
                    }
                    var button = MouseButtons.None;
                    var param  = wParam.ToInt32();
                    // Marshall the data from callback.
                    var      mStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
                    var      delta   = 0;
                    var      tu      = new TestUnion(mStruct.mouseData);
                    MouseKey mk      = 0;
                    int      lastX   = 0;
                    int      lastY   = 0;
                    bool     handled;
                    var      unknownAction = false;
                    switch (param)
                    {
                    case WM_MOUSEMOVE:
                        var x = mStruct.pt.x;
                        var y = mStruct.pt.y;
                        if (prevX == -1 || prevY == -1)
                        {
                            scrnX = SystemInformation.VirtualScreen.Width - 1;
                            scrnY = SystemInformation.VirtualScreen.Height - 1;
                            prevX = x;
                            prevY = y;
                        }
                        lastX = x - prevX;
                        lastY = y - prevY;
                        var fX = Math.Max(Math.Min(scrnX, x), 0);
                        var fY = Math.Max(Math.Min(scrnY, y), 0);
                        if (fX != x || fY != y)
                        {
                            NativeMethods.SetCursorPos(fX, fY);
                        }
                        prevX = fX;
                        prevY = fY;
                        break;

                    case WM_LBUTTONDOWN:
                    case WM_LBUTTONUP:
                    case WM_LBUTTONDBLCLK:
                        button = MouseButtons.Left;
                        break;

                    case WM_MBUTTONDOWN:
                    case WM_MBUTTONUP:
                    case WM_MBUTTONDBLCLK:
                        button = MouseButtons.Middle;
                        break;

                    case WM_RBUTTONDOWN:
                    case WM_RBUTTONUP:
                    case WM_RBUTTONDBLCLK:
                        button = MouseButtons.Right;
                        break;

                    case WM_XBUTTONDOWN:
                    case WM_XBUTTONUP:
                    case WM_XBUTTONDBLCLK:
                        button = MouseButtons.XButton1;
                        if (tu.High == 1)
                        {
                            mk = MouseKey.MK_XBUTTON1;
                        }
                        if (tu.High == 2)
                        {
                            mk = MouseKey.MK_XBUTTON2;
                        }
                        break;

                    case WM_NCXBUTTONDOWN:
                    case WM_NCXBUTTONUP:
                    case WM_NCXBUTTONDBLCLK:
                        button = MouseButtons.XButton2;
                        if (tu.High == 1)
                        {
                            mk = MouseKey.MK_XBUTTON1;
                        }
                        if (tu.High == 2)
                        {
                            mk = MouseKey.MK_XBUTTON2;
                        }
                        break;

                    case WM_MOUSEWHEEL:
                    case WM_MOUSEHWHEEL:
                        delta = tu.High;
                        mk    = (MouseKey)tu.ULow;
                        break;

                    case WM_TOUCH:
                        try
                        {
                            handled = DecodeTouch(wParam, lParam);
                        }
                        catch (Exception ex)
                        {
                            if (OnError != null)
                            {
                                OnError(this, new UnhandledExceptionEventArgs(ex, false));
                            }
                        }
                        break;

                    default:
                        unknownAction = true;

                        break;
                    }
                    var ea = new MouseHookEventArgs(mStruct, info, mk, param, lastX, lastY, null);
                    if (OnMouseHook != null)
                    {
                        OnMouseHook(this, ea);
                    }
                    int clickCount = 0;
                    if (button != MouseButtons.None)
                    {
                        clickCount = (param == WM_LBUTTONDBLCLK || param == WM_RBUTTONDBLCLK) ? 2 : 1;
                    }
                    var e = new MouseEventArgs(button, clickCount, mStruct.pt.x, mStruct.pt.y, delta);
                    // Raise Events.
                    if (OnMouseUp != null && (param == WM_LBUTTONUP || param == WM_MBUTTONUP || param == WM_RBUTTONUP || param == WM_XBUTTONUP || param == WM_NCXBUTTONUP))
                    {
                        OnMouseUp(this, e);
                    }
                    else if (OnMouseDown != null && (param == WM_LBUTTONDOWN || param == WM_MBUTTONDOWN || param == WM_RBUTTONDOWN || param == WM_XBUTTONDOWN || param == WM_NCXBUTTONDOWN))
                    {
                        OnMouseDown(this, e);
                    }
                    else if (OnMouseMove != null && (param == WM_MOUSEMOVE))
                    {
                        OnMouseMove(this, e);
                    }
                    else if (OnMouseWheel != null)
                    {
                        OnMouseWheel(this, e);
                    }
                    else if (OnMouseActivity != null)
                    {
                        OnMouseActivity(this, e);
                    }
                    if (unknownAction)
                    {
                        var ev = OnMouseUnknown;
                        if (ev != null)
                        {
                            ev(this, ea);
                        }
                    }
                }
            }
            return(NativeMethods.CallNextHookEx(_Hook1Handle, nCode, wParam, lParam));
        }