#检测指定cmd窗口是否为活动窗口，修改("ConsoleWindowClass","命令提示符") 检测指定程序
Add-Type @"
  using System.Runtime.InteropServices;
  public class WinApi {
     [DllImport("user32.dll")]
     public static extern int FindWindow(string lpClassName, string lpWindowName);

     [DllImport("user32.dll")]
     public static extern int GetForegroundWindow();
  }

"@

while($true){
    if([WinApi]::FindWindow("ConsoleWindowClass","命令提示符") -ne [WinApi]::GetForegroundWindow()){
        #code here
        Write-Host cmd is not font window.
    }else{
        #code here
        Write-Host cmd is font window.
    }
    sleep 1
}
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#检测指定cmd窗口是否为活动窗口，修改("ConsoleWindowClass","命令提示符") 检测指定程序
Add-Type @"
  using System;
  using System.Threading;
  using System.Runtime.InteropServices;
  public class WinApi {
     [DllImport("user32.dll")]
     public static extern int FindWindow(string lpClassName, string lpWindowName);

     [DllImport("user32.dll")]
     public static extern int GetForegroundWindow();
     public static Thread t = new Thread(CountDown);
     
     public static int time = 120;

     public static void CountDown()
        {
            RefreshTitle();
            Environment.Exit(0);
        }
        public static void RefreshTitle(){
            while(time != 0){
                Thread.Sleep(1000);
                 Console.Title = "关闭倒计时：" + (time -= 1);

            }

        }
  }

"@
#启动后台线程关闭程序倒计时  2分钟
[WinApi]::t.Start()

#关闭线程关闭程序倒计时
#[WinApi]::t.Stop()
while($true){
    if([WinApi]::FindWindow("ConsoleWindowClass","管理员: 命令提示符") -ne [WinApi]::GetForegroundWindow()){
        #code here
        Write-Host cmd is not font window.
    }else{
        #code here
        Write-Host cmd is font window.
    }
    sleep 1
}
复制代码