45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace GetData_PLC
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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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//frmMain frmMainSingle = frmMain.getSingle();
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//Application.Run(frmMainSingle);
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bool createdNew; Mutex instance = new Mutex(true, "互斥名(保证在本机中唯一)", out createdNew);
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if (createdNew)
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{
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Application.EnableVisualStyles();
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Application.SetCompatibleTextRenderingDefault(false);
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Application.Run(new frmMain());
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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("已经启动了一个程序，请先退出！", "系统提示", MessageBoxButtons.OK,
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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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