（5）微信UI自动化-实现静默鼠标点击（C#）

         上文我们进行了联系人采集的工作， 最开始如果我用了FLAUI中的鼠标模拟方法，发现鼠标光标会跟随我们的调用而移动位置，那么我们能不能不移动鼠标而进行点击呢？

        答案是肯定的，我们通过模拟WIN消息来实现！

接下来我们就开始实现静默鼠标点击

（1）定义WINDOW发送消息的函数

     我们寻找FLAUI组件,发现在FLAUI中已经定义好win发送消息的函数和消息类型，就直接拿了用了！

FlaUI.Core.WindowsAPI.User32中定义了很多常用的window函数.

FlaUI.Core.WindowsAPI.WindowsMessages定义了window消息的类型（键盘，鼠标事件等）

我们将类中的详细代码贴出来供大家参考!可以跳过不看

   [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam);

 public static class WindowsMessages
    {
        public const uint WM_ACTIVATE = 0x0006;
        public const uint WM_ACTIVATEAPP = 0x001C;
        public const uint WM_AFXFIRST = 0x0360;
        public const uint WM_AFXLAST = 0x037F;
        public const uint WM_APP = 0x8000;
        public const uint WM_APPCOMMAND = 0x0319;
        public const uint WM_ASKCBFORMATNAME = 0x030C;
        public const uint WM_CANCELJOURNAL = 0x004B;
        public const uint WM_CANCELMODE = 0x001F;
        public const uint WM_CAPTURECHANGED = 0x0215;
        public const uint WM_CHANGECBCHAIN = 0x030D;
        public const uint WM_CHANGEUISTATE = 0x0127;
        public const uint WM_CHAR = 0x0102;
        public const uint WM_CHARTOITEM = 0x002F;
        public const uint WM_CHILDACTIVATE = 0x0022;
        public const uint WM_CLEAR = 0x0303;
        public const uint WM_CLOSE = 0x0010;
        public const uint WM_COMMAND = 0x0111;
        public const uint WM_COMMNOTIFY = 0x0044;
        public const uint WM_COMPACTING = 0x0041;
        public const uint WM_COMPAREITEM = 0x0039;
        public const uint WM_CONTEXTMENU = 0x007B;
        public const uint WM_COPY = 0x0301;
        public const uint WM_COPYDATA = 0x004A;
        public const uint WM_CREATE = 0x0001;
        public const uint WM_CTLCOLORBTN = 0x0135;
        public const uint WM_CTLCOLORDLG = 0x0136;
        public const uint WM_CTLCOLOREDIT = 0x0133;
        public const uint WM_CTLCOLORLISTBOX = 0x0134;
        public const uint WM_CTLCOLORMSGBOX = 0x0132;
        public const uint WM_CTLCOLORSCROLLBAR = 0x0137;
        public const uint WM_CTLCOLORSTATIC = 0x0138;
        public const uint WM_CUT = 0x0300;
        public const uint WM_DEADCHAR = 0x0103;
        public const uint WM_DELETEITEM = 0x002D;
        public const uint WM_DESTROY = 0x0002;
        public const uint WM_DESTROYCLIPBOARD = 0x0307;
        public const uint WM_DEVICECHANGE = 0x0219;
        public const uint WM_DEVMODECHANGE = 0x001B;
        public const uint WM_DISPLAYCHANGE = 0x007E;
        public const uint WM_DRAWCLIPBOARD = 0x0308;
        public const uint WM_DRAWITEM = 0x002B;
        public const uint WM_DROPFILES = 0x0233;
        public const uint WM_ENABLE = 0x000A;
        public const uint WM_ENDSESSION = 0x0016;
        public const uint WM_ENTERIDLE = 0x0121;
        public const uint WM_ENTERMENULOOP = 0x0211;
        public const uint WM_ENTERSIZEMOVE = 0x0231;
        public const uint WM_ERASEBKGND = 0x0014;
        public const uint WM_EXITMENULOOP = 0x0212;
        public const uint WM_EXITSIZEMOVE = 0x0232;
        public const uint WM_FONTCHANGE = 0x001D;
        public const uint WM_GETDLGCODE = 0x0087;
        public const uint WM_GETFONT = 0x0031;
        public const uint WM_GETHOTKEY = 0x0033;
        public const uint WM_GETICON = 0x007F;
        public const uint WM_GETMINMAXINFO = 0x0024;
        public const uint WM_GETOBJECT = 0x003D;
        public const uint WM_GETTEXT = 0x000D;
        public const uint WM_GETTEXTLENGTH = 0x000E;
        public const uint WM_HANDHELDFIRST = 0x0358;
        public const uint WM_HANDHELDLAST = 0x035F;
        public const uint WM_HELP = 0x0053;
        public const uint WM_HOTKEY = 0x0312;
        public const uint WM_HSCROLL = 0x0114;
        public const uint WM_HSCROLLCLIPBOARD = 0x030E;
        public const uint WM_ICONERASEBKGND = 0x0027;
        public const uint WM_IME_CHAR = 0x0286;
        public const uint WM_IME_COMPOSITION = 0x010F;
        public const uint WM_IME_COMPOSITIONFULL = 0x0284;
        public const uint WM_IME_CONTROL = 0x0283;
        public const uint WM_IME_ENDCOMPOSITION = 0x010E;
        public const uint WM_IME_KEYDOWN = 0x0290;
        public const uint WM_IME_KEYLAST = 0x010F;
        public const uint WM_IME_KEYUP = 0x0291;
        public const uint WM_IME_NOTIFY = 0x0282;
        public const uint WM_IME_REQUEST = 0x0288;
        public const uint WM_IME_SELECT = 0x0285;
        public const uint WM_IME_SETCONTEXT = 0x0281;
        public const uint WM_IME_STARTCOMPOSITION = 0x010D;
        public const uint WM_INITDIALOG = 0x0110;
        public const uint WM_INITMENU = 0x0116;
        public const uint WM_INITMENUPOPUP = 0x0117;
        public const uint WM_INPUT = 0x00FF;
        public const uint WM_INPUTLANGCHANGE = 0x0051;
        public const uint WM_INPUTLANGCHANGEREQUEST = 0x0050;
        public const uint WM_KEYDOWN = 0x0100;
        public const uint WM_KEYFIRST = 0x0100;
        public const uint WM_KEYLAST = 0x0109;
        public const uint WM_KEYUP = 0x0101;
        public const uint WM_KILLFOCUS = 0x0008;
        public const uint WM_LBUTTONDBLCLK = 0x0203;
        public const uint WM_LBUTTONDOWN = 0x0201;
        public const uint WM_LBUTTONUP = 0x0202;
        public const uint WM_MBUTTONDBLCLK = 0x0209;
        public const uint WM_MBUTTONDOWN = 0x0207;
        public const uint WM_MBUTTONUP = 0x0208;
        public const uint WM_MDIACTIVATE = 0x0222;
        public const uint WM_MDICASCADE = 0x0227;
        public const uint WM_MDICREATE = 0x0220;
        public const uint WM_MDIDESTROY = 0x0221;
        public const uint WM_MDIGETACTIVE = 0x0229;
        public const uint WM_MDIICONARRANGE = 0x0228;
        public const uint WM_MDIMAXIMIZE = 0x0225;
        public const uint WM_MDINEXT = 0x0224;
        public const uint WM_MDIREFRESHMENU = 0x0234;
        public const uint WM_MDIRESTORE = 0x0223;
        public const uint WM_MDISETMENU = 0x0230;
        public const uint WM_MDITILE = 0x0226;
        public const uint WM_MEASUREITEM = 0x002C;
        public const uint WM_MENUCHAR = 0x0120;
        public const uint WM_MENUCOMMAND = 0x0126;
        public const uint WM_MENUDRAG = 0x0123;
        public const uint WM_MENUGETOBJECT = 0x0124;
        public const uint WM_MENURBUTTONUP = 0x0122;
        public const uint WM_MENUSELECT = 0x011F;
        public const uint WM_MOUSEACTIVATE = 0x0021;
        public const uint WM_MOUSEFIRST = 0x0200;
        public const uint WM_MOUSEHOVER = 0x02A1;
        public const uint WM_MOUSELAST = 0x020D; // Win95: 0x0209, WinNT4,98: 0x020A
        public const uint WM_MOUSELEAVE = 0x02A3;
        public const uint WM_MOUSEMOVE = 0x0200;
        public const uint WM_MOUSEWHEEL = 0x020A;
        public const uint WM_MOVE = 0x0003;
        public const uint WM_MOVING = 0x0216;
        public const uint WM_NCACTIVATE = 0x0086;
        public const uint WM_NCCALCSIZE = 0x0083;
        public const uint WM_NCCREATE = 0x0081;
        public const uint WM_NCDESTROY = 0x0082;
        public const uint WM_NCHITTEST = 0x0084;
        public const uint WM_NCLBUTTONDBLCLK = 0x00A3;
        public const uint WM_NCLBUTTONDOWN = 0x00A1;
        public const uint WM_NCLBUTTONUP = 0x00A2;
        public const uint WM_NCMBUTTONDBLCLK = 0x00A9;
        public const uint WM_NCMBUTTONDOWN = 0x00A7;
        public const uint WM_NCMBUTTONUP = 0x00A8;
        public const uint WM_NCMOUSEHOVER = 0x02A0;
        public const uint WM_NCMOUSELEAVE = 0x02A2;
        public const uint WM_NCMOUSEMOVE = 0x00A0;
        public const uint WM_NCPAINT = 0x0085;
        public const uint WM_NCRBUTTONDBLCLK = 0x00A6;
        public const uint WM_NCRBUTTONDOWN = 0x00A4;
        public const uint WM_NCRBUTTONUP = 0x00A5;
        public const uint WM_NCXBUTTONDBLCLK = 0x00AD;
        public const uint WM_NCXBUTTONDOWN = 0x00AB;
        public const uint WM_NCXBUTTONUP = 0x00AC;
        public const uint WM_NEXTDLGCTL = 0x0028;
        public const uint WM_NEXTMENU = 0x0213;
        public const uint WM_NOTIFY = 0x004E;
        public const uint WM_NOTIFYFORMAT = 0x0055;
        public const uint WM_NULL = 0x0000;
        public const uint WM_PAINT = 0x000F;
        public const uint WM_PAINTCLIPBOARD = 0x0309;
        public const uint WM_PAINTICON = 0x0026;
        public const uint WM_PALETTECHANGED = 0x0311;
        public const uint WM_PALETTEISCHANGING = 0x0310;
        public const uint WM_PARENTNOTIFY = 0x0210;
        public const uint WM_PASTE = 0x0302;
        public const uint WM_PENWINFIRST = 0x0380;
        public const uint WM_PENWINLAST = 0x038F;
        public const uint WM_POWER = 0x0048;
        public const uint WM_POWERBROADCAST = 0x0218;
        public const uint WM_PRINT = 0x0317;
        public const uint WM_PRINTCLIENT = 0x0318;
        public const uint WM_QUERYDRAGICON = 0x0037;
        public const uint WM_QUERYENDSESSION = 0x0011;
        public const uint WM_QUERYNEWPALETTE = 0x030F;
        public const uint WM_QUERYOPEN = 0x0013;
        public const uint WM_QUERYUISTATE = 0x0129;
        public const uint WM_QUEUESYNC = 0x0023;
        public const uint WM_QUIT = 0x0012;
        public const uint WM_RBUTTONDBLCLK = 0x0206;
        public const uint WM_RBUTTONDOWN = 0x0204;
        public const uint WM_RBUTTONUP = 0x0205;
        public const uint WM_RENDERALLFORMATS = 0x0306;
        public const uint WM_RENDERFORMAT = 0x0305;
        public const uint WM_SETCURSOR = 0x0020;
        public const uint WM_SETFOCUS = 0x0007;
        public const uint WM_SETFONT = 0x0030;
        public const uint WM_SETHOTKEY = 0x0032;
        public const uint WM_SETICON = 0x0080;
        public const uint WM_SETREDRAW = 0x000B;
        public const uint WM_SETTEXT = 0x000C;
        public const uint WM_SETTINGCHANGE = 0x001A;
        public const uint WM_SHOWWINDOW = 0x0018;
        public const uint WM_SIZE = 0x0005;
        public const uint WM_SIZECLIPBOARD = 0x030B;
        public const uint WM_SIZING = 0x0214;
        public const uint WM_SPOOLERSTATUS = 0x002A;
        public const uint WM_STYLECHANGED = 0x007D;
        public const uint WM_STYLECHANGING = 0x007C;
        public const uint WM_SYNCPAINT = 0x0088;
        public const uint WM_SYSCHAR = 0x0106;
        public const uint WM_SYSCOLORCHANGE = 0x0015;
        public const uint WM_SYSCOMMAND = 0x0112;
        public const uint WM_SYSDEADCHAR = 0x0107;
        public const uint WM_SYSKEYDOWN = 0x0104;
        public const uint WM_SYSKEYUP = 0x0105;
        public const uint WM_TABLET_FIRST = 0x02C0;
        public const uint WM_TABLET_LAST = 0x02DF;
        public const uint WM_TCARD = 0x0052;
        public const uint WM_THEMECHANGED = 0x031A;
        public const uint WM_TIMECHANGE = 0x001E;
        public const uint WM_TIMER = 0x0113;
        public const uint WM_UNDO = 0x0304;
        public const uint WM_UNICHAR = 0x0109;
        public const uint WM_UNINITMENUPOPUP = 0x0125;
        public const uint WM_UPDATEUISTATE = 0x0128;
        public const uint WM_USER = 0x0400;
        public const uint WM_USERCHANGED = 0x0054;
        public const uint WM_VKEYTOITEM = 0x002E;
        public const uint WM_VSCROLL = 0x0115;
        public const uint WM_VSCROLLCLIPBOARD = 0x030A;
        public const uint WM_WINDOWPOSCHANGED = 0x0047;
        public const uint WM_WINDOWPOSCHANGING = 0x0046;
        public const uint WM_WININICHANGE = 0x001A;
        public const uint WM_WTSSESSION_CHANGE = 0x02B1;
        public const uint WM_XBUTTONDBLCLK = 0x020D;
        public const uint WM_XBUTTONDOWN = 0x020B;
        public const uint WM_XBUTTONUP = 0x020C;
    }

(2)定义静默点击FLAUI元素方法（发送win鼠标消息到FLAUI元素）

public  class WXWindowMessage
    {
        /// 

        /// 实现静默点击向窗口发送windows消息
        /// 
        /// 
        public static void Click(AutomationElement ele)
        {
            if (ele == null)
            {
                Log.WXLog.Current.Log("点击事件元素为空");
                return;
            }
            //元素设置焦点
            ele.Focus();

            //获取元素在屏幕绝对位置+中心点
            var point = ele.GetClickablePoint();

            //获取微信船体的大小和所在位置
            var windowsRectangle = UI_WX_Window.Current.Window.BoundingRectangle;

            //获取元素的window句柄对象
            var handler = UI_WX_Window.Current.Window.Properties.NativeWindowHandle.ValueOrDefault;

            //计算元素在微信窗体中的相对位置
            int x = point.X - windowsRectangle.X;
            int y = point.Y - windowsRectangle.Y;

            //设置消息值
            IntPtr lParam = (IntPtr)((y << 16) + x);

            IntPtr wParam = IntPtr.Zero;

            //调用windows鼠标按下函数
            User32.SendMessage(handler, WindowsMessages.WM_LBUTTONDOWN,  wParam , lParam);  
            //调用windows鼠标松开函数
            User32.SendMessage(handler, WindowsMessages.WM_LBUTTONUP,  wParam , lParam);
            Log.WXLog.Current.Log("向元素【" + ele.Name + "】发送win消息成功");
        } 
    }

(3)实现静默点击微信中的元素

       public void ClickElement(AutomationElement ele)
        {
            if (ele != null)
            {
                Log.WXLog.Current.Log("开始执行元素【" + ele.Name + "】点击事件");
               

                WXWindowMessage.Click(ele);
            }
            else
            {
                Log.WXLog.Current.Error("元素为空，无法执行点击事件");
            }
        }

   在上文中采集联系人的步骤中我们就调用ClickElement方法来激活联系人面板,以下是调用代码

private void ClickContacts()
        {
             //通过XPATH找到通讯录按钮
            var ele = UI_WX_Window.Current.Find("/Pane[2]/Pane[1]/Button[3]");
            //发送点击事件
            UI_WX_Window.Current.ClickElement(ele);

}

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