C# Language Specification - Willy .Net

Appendix D Standard Library}public static void Copy(string sourceFileName, string destFileName);public static void Copy(string sourceFileName, string destFileName, booloverwrite);public static FileStream Create(string path);public static FileStream Create(string path, int bufferSize);public static StreamWriter CreateText(string path);public static void Delete(string path);public static bool Exists(string path);public static DateTime GetCreationTime(string path);public static DateTime GetLastAccessTime(string path);public static DateTime GetLastWriteTime(string path);public static void Move(string sourceFileName, string destFileName);public static FileStream Open(string path, FileMode mode);public static FileStream Open(string path, FileMode mode, FileAccessaccess);public static FileStream Open(string path, FileMode mode, FileAccessaccess, FileShare share);public static FileStream OpenRead(string path);public static StreamReader OpenText(string path);public static FileStream OpenWrite(string path);public static void SetCreationTime(string path, DateTime creationTime);public static void SetLastAccessTime(string path, DateTime lastAccessTime);public static void SetLastWriteTime(string path, DateTime lastWriteTime);// Namespace: System.IO, Library: BCLpublic enum FileAccess{Read = 0x1,ReadWrite = Read | Write,Write = 0x2,}// Namespace: System.Security.Permissions, Library: BCLpublic sealed class FileIOPermission: CodeAccessPermission{public FileIOPermission(PermissionState state);public FileIOPermission(FileIOPermissionAccess access, string path);public override IPermission Copy();public override void FromXml(SecurityElement esd);public override IPermission Intersect(IPermission target);public override bool IsSubsetOf(IPermission target);public override SecurityElement ToXml();public override IPermission Union(IPermission other);395