C#自动点击外部Process按钮

最新推荐文章于 2024-10-23 17:22:03 发布

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最新推荐文章于 2024-10-23 17:22:03 发布

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分类专栏： C# 文章标签： c# button string object user null

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[DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr PostMessage(IntPtr   hwnd,   int   wMsg,   IntPtr   wParam,   IntPtr   lParam);

        private void callAppBTN_Click(object sender, EventArgs e)
        {
            IntPtr hwnd_win;
            IntPtr hwnd_button;

            hwnd_win = FindWindow(null, "Call Extern App");
            hwnd_button = FindWindowEx(hwnd_win, new IntPtr(0), null, "Test");
            const int BM_CLICK = 0x00F5; //0x0201;
            Message button_msg = Message.Create(hwnd_button, BM_CLICK, new IntPtr(0), new IntPtr(0));
            PostMessage(button_msg.HWnd, button_msg.Msg, button_msg.WParam, button_msg.LParam);

        }

        private void tstBTN_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Hello Windows!");
        }