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  • win32Helper

    点击别的winform窗口的按钮

            #region 点击别的窗口的按钮
            [DllImport("user32.dll", EntryPoint = "FindWindowA", SetLastError = true)]
            private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    
            [DllImport("user32.dll", EntryPoint = "FindWindowEx", SetLastError = true)]
            private static extern IntPtr FindWindowEx(IntPtr hwndParent, uint hwndChildAfter, string lpszClass, string lpszWindow);
    
            [DllImport("user32.dll", EntryPoint = "SendMessage", SetLastError = true, CharSet = CharSet.Auto)]
            private static extern int SendMessage(IntPtr hwnd, uint wMsg, int wParam, int lParam);
    
            [DllImport("user32.dll", EntryPoint = "SetForegroundWindow", SetLastError = true)]
            private static extern void SetForegroundWindow(IntPtr hwnd);
            public static void ClickOtherWindowsBtn(string targetWindowsTitile ,string btnText)
            {
                try
                {
    
                    const int WM_CLICK = 0x00F5;//鼠标点击消息,各种消息的数值,可以参考MSDN  
    
                    IntPtr hwndTestChild = new IntPtr();//子窗体的句柄  
                    IntPtr hwndbtnYes = new IntPtr();//子窗体上button的句柄  
    
                    hwndTestChild = FindWindow(null, targetWindowsTitile);//获取子窗体的句柄  
                    hwndbtnYes = FindWindowEx(hwndTestChild, 0, null, btnText);//获取子窗体上button的句柄  
    
                    if (hwndTestChild != IntPtr.Zero)
                    {
                        SendMessage(hwndbtnYes, WM_CLICK, 0, 0);//给子窗体上button发送鼠标点击消息,  
                    }
                    else
                    {
                        Console.WriteLine("没有找到按钮");
                    }
    
    
                }
                catch (System.Exception ex)
                {
                    Console.WriteLine(ex.ToString());
                }
            }
    
            #endregion
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  • 原文地址:https://www.cnblogs.com/nocanstillbb/p/10487630.html
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