46 lines
1.5 KiB
C#
46 lines
1.5 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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namespace 软件系统服务端模版
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{
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static class Program
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{
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/// <summary>
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/// 应用程序的主入口点。
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/// </summary>
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[STAThread]
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static void Main()
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{
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Process process = Process.GetCurrentProcess();
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//遍历应用程序的同名进程组
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foreach (Process p in Process.GetProcessesByName(process.ProcessName))
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{
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//不是同一进程则关闭刚刚创建的进程
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if (p.Id != process.Id)
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{
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//此处显示原先的窗口需要一定的时间，不然无法显示
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ShowWindowAsync(p.MainWindowHandle, 9);
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SetForegroundWindow(p.MainWindowHandle);
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System.Threading.Thread.Sleep(10);
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Application.Exit();//关闭当前的应用程序
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return;
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}
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}
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Application.EnableVisualStyles();
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Application.SetCompatibleTextRenderingDefault(false);
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Application.Run(new Form1());
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}
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[DllImport("User32.dll")]
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private static extern bool ShowWindowAsync(IntPtr hWnd, int cmdShow);
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[DllImport("User32.dll")]
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private static extern bool SetForegroundWindow(IntPtr hWnd);
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}
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}
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