在Windows上将CTRL + C发送到子进程树

using System.Runtime.InteropServices;
using System.Text;

public class Program
{
    [DllImport("user32.dll")]
    private static extern bool SetForegroundWindow(int hwnd);

    [DllImport("user32.dll")]
    private static extern bool ShowWindow(int hwnd, int command);

    [DllImport("user32.dll")]
    private static extern bool PostMessage(int hwnd, int wMsg, int wParam, int lParam);

    private static void Main(string[] args)
    {
        // 将当前窗口设置为前台窗口
        SetForegroundWindow((int)FindWindow("ConsoleWindowClass", null).Handle);

        // 隐藏窗口
        ShowWindow((int)FindWindow("ConsoleWindowClass", null).Handle, 3);

        // 发送消息给子进程，以复制文本到剪贴板
        PostMessage((int)FindWindow("ConsoleWindowClass", null).Handle, 0x0112, 8, 0);

        // 暂停程序执行，直到子进程复制完文本
        System.Threading.Thread.Sleep(5000);
    }
}