对该路径的访问被拒绝。在c#中

using System;
using System.IO;
using System.Security.AccessControl;

class Program
{
    static void Main()
    {
        string path = @"C:\SomeDirectory\SomeFile.txt";

        // 检查路径是否存在
        if (!Directory.Exists(Path.GetDirectoryName(path)))
        {
            Console.WriteLine("指定的路径不存在。");
            return;
        }

        try
        {
            // 尝试读取文件
            using (FileStream fs = new FileStream(path, FileMode.Open))
            {
                Console.WriteLine("文件成功打开。");
            }
        }
        catch (UnauthorizedAccessException ex)
        {
            Console.WriteLine("访问被拒绝: " + ex.Message);

            // 尝试修改文件权限
            ModifyFilePermissions(path);
        }
    }

    static void ModifyFilePermissions(string filePath)
    {
        FileSecurity fs = File.GetAccessControl(filePath);
        FileSystemAccessRule rule = new FileSystemAccessRule(
            WindowsIdentity.GetCurrent().Name,
            FileSystemRights.FullControl,
            AccessControlType.Allow);

        fs.AddAccessRule(rule);
        File.SetAccessControl(filePath, fs);

        Console.WriteLine("文件权限已修改。");
    }
}