调用user32.dll显示其他窗口_.NET_编程开发_程序员俱乐部

 1 /// 该函数设置由不同线程产生的窗口的显示状态
 2         /// </summary>
 3         /// <param name="hWnd">窗口句柄</param>
 4         /// <param name="cmdShow">指定窗口如何显示。查看允许值列表，请查阅ShowWlndow函数的说明部分</param>
 5         /// <returns>如果函数原来可见，返回值为非零；如果函数原来被隐藏，返回值为零</returns>
 6         [DllImport("User32.dll")]
 7         private static extern bool ShowWindowAsync(IntPtr hWnd, int cmdShow);
 8         /// <summary>
 9         ///  该函数将创建指定窗口的线程设置到前台，并且激活该窗口。键盘输入转向该窗口，并为用户改各种可视的记号。
10         ///  系统给创建前台窗口的线程分配的权限稍高于其他线程。 
11         /// </summary>
12         /// <param name="hWnd">将被激活并被调入前台的窗口句柄</param>
13         /// <returns>如果窗口设入了前台，返回值为非零；如果窗口未被设入前台，返回值为零</returns>
14         [DllImport("User32.dll")]
15         private static extern bool SetForegroundWindow(IntPtr hWnd);
16 
17 private void BringToFront(IntPtr hWnd)
18         {
19             //Process currentProcess = Process.GetCurrentProcess();
20             //Process process = Process.get(id);
21             //if (process != null)
22             //{
23             //    ShowWindowAsync(process.MainWindowHandle, 1);//显示
24             //    SetForegroundWindow(process.MainWindowHandle);//当到最前端
25             //}
26             Process[] Processes = Process.GetProcesses();// GetProcessesByName(currentProcess.ProcessName);
27             foreach (Process process in Processes)
28             {
29                 //process.Start();
30                 //if (process.Id != currentProcess.Id)
31                 //{
32                 //                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\")
33                 //<span style="white-space:pre">            </span> == currentProcess.MainModule.FileName)
34                 //                    {
35                 //                        return process;
36                 //                    }
37                 if (process.MainWindowHandle.ToString() == "0")
38                 {
39                     continue;
40                 }
41                 if (process.MainWindowHandle == hWnd)
42                 {
43                     ShowWindowAsync(process.MainWindowHandle, 1);//显示
44                     SetForegroundWindow(process.MainWindowHandle);//当到最前端
45                 }
46                 //}
47             }
48         }