/// <summary> /// Copies the specified file to a specified new file, indicating whether to overwrite an existing file. /// </summary> /// <param name = "sourcePath"> /// A <see cref = "String" /> containing the path of the file to copy. /// </param> /// <param name = "destinationPath"> /// A <see cref = "String" /> containing the new path of the file. /// </param> /// <param name = "overwrite"> /// <see langword = "true" /> if <paramref name = "destinationPath" /> should be overwritten /// if it refers to an existing file, otherwise, <see langword = "false" />. /// </param> /// <exception cref = "ArgumentNullException"> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> is /// <see langword = "null" />. /// </exception> /// <exception cref = "ArgumentException"> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> is /// an empty string (""), contains only white space, or contains one or more /// invalid characters as defined in <see cref = "System.IO.Path.GetInvalidPathChars()" />. /// <para> /// -or- /// </para> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> /// contains one or more components that exceed the drive-defined maximum length. /// For example, on Windows-based platforms, components must not exceed 255 characters. /// </exception> /// <exception cref = "PathTooLongException"> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> /// exceeds the system-defined maximum length. For example, on Windows-based platforms, /// paths must not exceed 32,000 characters. /// </exception> /// <exception cref = "FileNotFoundException"> /// <paramref name = "sourcePath" /> could not be found. /// </exception> /// <exception cref = "DirectoryNotFoundException"> /// One or more directories in <paramref name = "sourcePath" /> and/or /// <paramref name = "destinationPath" /> could not be found. /// </exception> /// <exception cref = "UnauthorizedAccessException"> /// The caller does not have the required access permissions. /// <para> /// -or- /// </para> /// <paramref name = "overwrite" /> is true and <paramref name = "destinationPath" /> refers to a /// file that is read-only. /// </exception> /// <exception cref = "IOException"> /// <paramref name = "overwrite" /> is false and <paramref name = "destinationPath" /> refers to /// a file that already exists. /// <para> /// -or- /// </para> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> is a /// directory. /// <para> /// -or- /// </para> /// <paramref name = "overwrite" /> is true and <paramref name = "destinationPath" /> refers to /// a file that already exists and is in use. /// <para> /// -or- /// </para> /// <paramref name = "sourcePath" /> refers to a file that is in use. /// <para> /// -or- /// </para> /// <paramref name = "sourcePath" /> and/or <paramref name = "destinationPath" /> specifies /// a device that is not ready. /// </exception> public static void Copy(Path sourcePath, Path destinationPath, bool overwrite) { var normalizedSourcePath = LongPathCommon.NormalizeLongPath(sourcePath.FullPath, "sourcePath"); var normalizedDestinationPath = LongPathCommon.NormalizeLongPath(destinationPath.FullPath, "destinationPath"); if (!NativeMethods.CopyFile(normalizedSourcePath, normalizedDestinationPath, !overwrite)) { throw LongPathCommon.GetExceptionFromLastWin32Error(); } }
private static IEnumerable <Path> EnumerateFileSystemEntries(Path path, string searchPattern, bool includeDirectories, bool includeFiles) { var normalizedSearchPattern = LongPathCommon.NormalizeSearchPattern(searchPattern); var normalizedPath = LongPathCommon.NormalizeLongPath(path.FullPath); // First check whether the specified path refers to a directory and exists FileAttributes attributes; var errorCode = LongPathCommon.TryGetDirectoryAttributes(normalizedPath, out attributes); if (errorCode != 0) { throw LongPathCommon.GetExceptionFromWin32Error(errorCode); } return(EnumerateFileSystemIterator(normalizedPath, normalizedSearchPattern, includeDirectories, includeFiles)); }