c# 限制同时启动多个实例程序运行

 

 

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using System; using System.Collections.Generic; using System.Text; using System.Diagnostics; using System.Reflection; using System.Runtime.InteropServices; using System.Windows.Forms;   namespace WindowsFormsApplication4 {    public  class MultiRunChecker{             public   static bool  hasMultiRun()         {               Process[] ps = Process.GetProcessesByName(Assembly.GetExecutingAssembly().GetName().Name);             if (ps != null && ps.Length > 1)             {                   //发现重复进程                 return true;             }               return false;           }     } }     调用： //防止改名运行  if (!Application.ExecutablePath.EndsWith(Assembly.GetExecutingAssembly().GetName().Name+".exe")) {                 MessageBox.Show("app not valid");                 Application.Exit();             }               if (MultiRunChecker.hasMultiRun()) {、、防止多个程序运行                   MessageBox.Show("has");                 Application.Exit();               }