40 lines
1.1 KiB
C#
40 lines
1.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows.Forms;
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namespace NGToolsPC
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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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Application.EnableVisualStyles();
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Application.SetCompatibleTextRenderingDefault(false);
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bool createdNew;//返回是否赋予了使用线程的互斥体初始所属权
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System.Threading.Mutex instance = new System.Threading.Mutex(true, "MutexName", out createdNew); //同步基元变量
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if (createdNew) //赋予了线程初始所属权,也就是首次使用互斥体
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{
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Application.Run(new frmNgTools());
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instance.ReleaseMutex();
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}
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else
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{
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MessageBox.Show("已经有一个程序已经在运行,请不要同时运行多个程序!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
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Application.Exit();
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}
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}
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}
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}
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