使用 .net 托管代码抓取命令窗口的屏幕

using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            // 创建一个新的进程，并启动命令行窗口
            Process process = new Process();
            process.StartInfo.FileName = "cmd.exe";
            process.StartInfo.CreateNoWindow = true;
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardInput = true;
            process.Start();

            // 抓取命令窗口的屏幕
            CaptureScreen(process.MainWindowHandle);

            // 关闭进程
            process.Kill();
        }

        static void CaptureScreen(IntPtr handle)
        {
            // 创建一个新的位图对象
            Bitmap bitmap = new Bitmap(100, 100);
            Graphics graphics = Graphics.FromImage(bitmap);

            // 抓取命令窗口的屏幕
            graphics.CopyFromScreen(new Point(0, 0), new Point(0, 0), bitmap.Size);

            // 保存位图到文件
            bitmap.Save("output.png", ImageFormat.Png);
        }
    }
}