public static void Delete(String path, bool recursive)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.RemoveDirectory(fullPath, recursive);
}
public static void SetLastAccessTime(String path, DateTime lastAccessTime)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.SetLastAccessTime(fullPath, lastAccessTime, asDirectory: true);
}
public static void SetLastAccessTimeUtc(String path, DateTime lastAccessTimeUtc)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.SetLastAccessTime(fullPath, File.GetUtcDateTimeOffset(lastAccessTimeUtc), asDirectory: true);
}
public static void SetAttributes(String path, FileAttributes fileAttributes)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.SetAttributes(fullPath, fileAttributes);
}
public static void SetCreationTime(String path, DateTime creationTime)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.SetCreationTime(fullPath, creationTime, asDirectory: true);
}
private async Task <FileStreamBase> OpenAsync(string fullPath, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, FileStream parent)
{
// Win32 CreateFile returns ERROR_PATH_NOT_FOUND when given a path that ends with '\'
if (PathHelpers.EndsInDirectorySeparator(fullPath))
{
throw Win32Marshal.GetExceptionForWin32Error(Interop.mincore.Errors.ERROR_PATH_NOT_FOUND, fullPath);
}
StorageFile file = null;
// FileMode
if (mode == FileMode.Open || mode == FileMode.Truncate)
{
file = await StorageFile.GetFileFromPathAsync(fullPath).TranslateWinRTTask(fullPath);
}
else
{
CreationCollisionOption collisionOptions;
switch (mode)
{
case FileMode.Create:
collisionOptions = CreationCollisionOption.ReplaceExisting;
break;
case FileMode.CreateNew:
collisionOptions = CreationCollisionOption.FailIfExists;
break;
case FileMode.Append:
case FileMode.OpenOrCreate:
default:
collisionOptions = CreationCollisionOption.OpenIfExists;
break;
}
string directoryPath, fileName;
PathHelpers.SplitDirectoryFile(fullPath, out directoryPath, out fileName);
StorageFolder directory = await StorageFolder.GetFolderFromPathAsync(directoryPath).TranslateWinRTTask(directoryPath, isDirectory: true);
file = await directory.CreateFileAsync(fileName, collisionOptions).TranslateWinRTTask(fullPath);
}
// FileAccess: WinRT doesn't support FileAccessMode.Write so we upgrade to ReadWrite
FileAccessMode accessMode = ((access & FileAccess.Write) != 0) ? FileAccessMode.ReadWrite : FileAccessMode.Read;
// FileShare: cannot translate StorageFile uses a different sharing model (oplocks) that is controlled via FileAccessMode
// FileOptions: ignore most values of FileOptions as they are hints and are not supported by WinRT.
// FileOptions.Encrypted is not a hint, and not supported by WinRT, but there is precedent for ignoring this (FAT).
// FileOptions.DeleteOnClose should result in an UnauthorizedAccessException when
// opening a file that can only be read, but we cannot safely reproduce that behavior
// in WinRT without actually deleting the file.
// Instead the failure will occur in the finalizer for WinRTFileStream and be ignored.
// open our stream
Stream stream = (await file.OpenAsync(accessMode).TranslateWinRTTask(fullPath)).AsStream(bufferSize);
if (mode == FileMode.Append)
{
// seek to end.
stream.Seek(0, SeekOrigin.End);
}
else if (mode == FileMode.Truncate)
{
// truncate stream to 0
stream.SetLength(0);
}
return(new WinRTFileStream(stream, file, access, options, parent));
}
public void MoveTo(String destDirName)
{
if (destDirName == null)
{
throw new ArgumentNullException("destDirName");
}
if (destDirName.Length == 0)
{
throw new ArgumentException(SR.Argument_EmptyFileName, "destDirName");
}
Contract.EndContractBlock();
String fullDestDirName = PathHelpers.GetFullPathInternal(destDirName);
if (fullDestDirName[fullDestDirName.Length - 1] != Path.DirectorySeparatorChar)
{
fullDestDirName = fullDestDirName + PathHelpers.DirectorySeparatorCharAsString;
}
String fullSourcePath;
if (FullPath.Length > 0 && FullPath[FullPath.Length - 1] == Path.DirectorySeparatorChar)
{
fullSourcePath = FullPath;
}
else
{
fullSourcePath = FullPath + PathHelpers.DirectorySeparatorCharAsString;
}
if (PathInternal.IsDirectoryTooLong(fullSourcePath))
{
throw new PathTooLongException(SR.IO_PathTooLong);
}
if (PathInternal.IsDirectoryTooLong(fullDestDirName))
{
throw new PathTooLongException(SR.IO_PathTooLong);
}
StringComparison pathComparison = PathInternal.StringComparison;
if (String.Equals(fullSourcePath, fullDestDirName, pathComparison))
{
throw new IOException(SR.IO_SourceDestMustBeDifferent);
}
String sourceRoot = Path.GetPathRoot(fullSourcePath);
String destinationRoot = Path.GetPathRoot(fullDestDirName);
if (!String.Equals(sourceRoot, destinationRoot, pathComparison))
{
throw new IOException(SR.IO_SourceDestMustHaveSameRoot);
}
FileSystem.Current.MoveDirectory(FullPath, fullDestDirName);
FullPath = fullDestDirName;
OriginalPath = destDirName;
DisplayPath = GetDisplayName(OriginalPath, FullPath);
// Flush any cached information about the directory.
Invalidate();
}
public static DateTime GetCreationTime(String path)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
return(FileSystem.Current.GetCreationTime(fullPath).DateTime);
}
public static void SetLastWriteTimeUtc(String path, DateTime lastWriteTime)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
FileSystem.Current.SetLastWriteTime(fullPath, GetUtcDateTimeOffset(lastWriteTime), asDirectory: false);
}
public override void CreateDirectory(string fullPath)
{
// NOTE: This logic is primarily just carried forward from Win32FileSystem.CreateDirectory.
int length = fullPath.Length;
// We need to trim the trailing slash or the code will try to create 2 directories of the same name.
if (length >= 2 && PathHelpers.EndsInDirectorySeparator(fullPath))
{
length--;
}
// For paths that are only // or ///
if (length == 2 && PathInternal.IsDirectorySeparator(fullPath[1]))
{
throw new IOException(SR.Format(SR.IO_CannotCreateDirectory, fullPath));
}
// We can save a bunch of work if the directory we want to create already exists.
if (DirectoryExists(fullPath))
{
return;
}
// Attempt to figure out which directories don't exist, and only create the ones we need.
bool somepathexists = false;
Stack <string> stackDir = new Stack <string>();
int lengthRoot = PathInternal.GetRootLength(fullPath);
if (length > lengthRoot)
{
int i = length - 1;
while (i >= lengthRoot && !somepathexists)
{
string dir = fullPath.Substring(0, i + 1);
if (!DirectoryExists(dir)) // Create only the ones missing
{
stackDir.Push(dir);
}
else
{
somepathexists = true;
}
while (i > lengthRoot && !PathInternal.IsDirectorySeparator(fullPath[i]))
{
i--;
}
i--;
}
}
int count = stackDir.Count;
if (count == 0 && !somepathexists)
{
string root = Directory.InternalGetDirectoryRoot(fullPath);
if (!DirectoryExists(root))
{
throw Interop.GetExceptionForIoErrno(Interop.Error.ENOENT.Info(), fullPath, isDirectory: true);
}
return;
}
// Create all the directories
int result = 0;
Interop.ErrorInfo firstError = default(Interop.ErrorInfo);
string errorString = fullPath;
while (stackDir.Count > 0)
{
string name = stackDir.Pop();
if (name.Length >= MaxDirectoryPath)
{
throw new PathTooLongException(SR.IO_PathTooLong);
}
result = Interop.Sys.MkDir(name, (int)Interop.Sys.Permissions.S_IRWXU);
if (result < 0 && firstError.Error == 0)
{
Interop.ErrorInfo errorInfo = Interop.Sys.GetLastErrorInfo();
// While we tried to avoid creating directories that don't
// exist above, there are a few cases that can fail, e.g.
// a race condition where another process or thread creates
// the directory first, or there's a file at the location.
if (errorInfo.Error != Interop.Error.EEXIST)
{
firstError = errorInfo;
}
else if (FileExists(name) || (!DirectoryExists(name, out errorInfo) && errorInfo.Error == Interop.Error.EACCES))
{
// If there's a file in this directory's place, or if we have ERROR_ACCESS_DENIED when checking if the directory already exists throw.
firstError = errorInfo;
errorString = name;
}
}
}
// Only throw an exception if creating the exact directory we wanted failed to work correctly.
if (result < 0 && firstError.Error != 0)
{
throw Interop.GetExceptionForIoErrno(firstError, errorString, isDirectory: true);
}
}
public DirectoryInfo(string path)
{
Init(originalPath: PathHelpers.ShouldReviseDirectoryPathToCurrent(path) ? "." : path,
fullPath: Path.GetFullPath(path),
isNormalized: true);
}
internal FileSystemEnumerable(
string userPath, string searchPattern,
SearchOption searchOption, SearchTarget searchTarget,
Func <string, bool, T> translateResult)
{
// Basic validation of the input path
if (userPath == null)
{
throw new ArgumentNullException("path");
}
if (string.IsNullOrWhiteSpace(userPath))
{
throw new ArgumentException(SR.Argument_EmptyPath, "path");
}
// Validate and normalize the search pattern. If after doing so it's empty,
// matching Win32 behavior we can skip all additional validation and effectively
// return an empty enumerable.
searchPattern = NormalizeSearchPattern(searchPattern);
if (searchPattern.Length > 0)
{
PathHelpers.CheckSearchPattern(searchPattern);
PathHelpers.ThrowIfEmptyOrRootedPath(searchPattern);
// If the search pattern contains any paths, make sure we factor those into
// the user path, and then trim them off.
int lastSlash = searchPattern.LastIndexOf(Path.DirectorySeparatorChar);
if (lastSlash >= 0)
{
if (lastSlash >= 1)
{
userPath = Path.Combine(userPath, searchPattern.Substring(0, lastSlash));
}
searchPattern = searchPattern.Substring(lastSlash + 1);
}
// Typically we shouldn't see either of these cases, an upfront check is much faster
foreach (char c in searchPattern)
{
if (c == '\\' || c == '[')
{
// We need to escape any escape characters in the search pattern
searchPattern = searchPattern.Replace(@"\", @"\\");
// And then escape '[' to prevent it being picked up as a wildcard
searchPattern = searchPattern.Replace(@"[", @"\[");
break;
}
}
string fullPath = Path.GetFullPath(userPath);
// Store everything for the enumerator
_initialDirectory = new PathPair(userPath, fullPath);
_searchPattern = searchPattern;
_searchOption = searchOption;
_includeFiles = (searchTarget & SearchTarget.Files) != 0;
_includeDirectories = (searchTarget & SearchTarget.Directories) != 0;
_translateResult = translateResult;
}
// Open the first enumerator so that any errors are propagated synchronously.
_firstEnumerator = Enumerate();
}
private void EnsureStatInitialized()
{
if (_fileinfoInitialized == -1)
{
Refresh();
}
if (_fileinfoInitialized != 0)
{
int errno = _fileinfoInitialized;
_fileinfoInitialized = -1;
var errorInfo = new Interop.ErrorInfo(errno);
// Windows distinguishes between whether the directory or the file isn't found,
// and throws a different exception in these cases. We attempt to approximate that
// here; there is a race condition here, where something could change between
// when the error occurs and our checks, but it's the best we can do, and the
// worst case in such a race condition (which could occur if the file system is
// being manipulated concurrently with these checks) is that we throw a
// FileNotFoundException instead of DirectoryNotFoundexception.
// directoryError is true only if a FileNotExists error was provided and the parent
// directory of the file represented by _fullPath is nonexistent
bool directoryError = (errorInfo.Error == Interop.Error.ENOENT && !Directory.Exists(Path.GetDirectoryName(PathHelpers.TrimEndingDirectorySeparator(_fullPath)))); // The destFile's path is invalid
throw Interop.GetExceptionForIoErrno(errorInfo, _fullPath, directoryError);
}
}
public static DateTime GetLastAccessTime(String path)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
return(FileSystem.Current.GetLastAccessTime(fullPath).LocalDateTime);
}
private void Init(String path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options)
{
if (path == null)
{
throw new ArgumentNullException("path", SR.ArgumentNull_Path);
}
if (path.Length == 0)
{
throw new ArgumentException(SR.Argument_EmptyPath, "path");
}
// don't include inheritable in our bounds check for share
FileShare tempshare = share & ~FileShare.Inheritable;
String badArg = null;
if (mode < FileMode.CreateNew || mode > FileMode.Append)
{
badArg = "mode";
}
else if (access < FileAccess.Read || access > FileAccess.ReadWrite)
{
badArg = "access";
}
else if (tempshare < FileShare.None || tempshare > (FileShare.ReadWrite | FileShare.Delete))
{
badArg = "share";
}
if (badArg != null)
{
throw new ArgumentOutOfRangeException(badArg, SR.ArgumentOutOfRange_Enum);
}
// NOTE: any change to FileOptions enum needs to be matched here in the error validation
if (options != FileOptions.None && (options & ~(FileOptions.WriteThrough | FileOptions.Asynchronous | FileOptions.RandomAccess | FileOptions.DeleteOnClose | FileOptions.SequentialScan | FileOptions.Encrypted | (FileOptions)0x20000000 /* NoBuffering */)) != 0)
{
throw new ArgumentOutOfRangeException("options", SR.ArgumentOutOfRange_Enum);
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException("bufferSize", SR.ArgumentOutOfRange_NeedPosNum);
}
// Write access validation
if ((access & FileAccess.Write) == 0)
{
if (mode == FileMode.Truncate || mode == FileMode.CreateNew || mode == FileMode.Create || mode == FileMode.Append)
{
// No write access
throw new ArgumentException(SR.Format(SR.Argument_InvalidFileModeAndAccessCombo, mode, access));
}
}
string fullPath = PathHelpers.GetFullPathInternal(path);
// Prevent access to your disk drives as raw block devices.
if (fullPath.StartsWith("\\\\.\\", StringComparison.Ordinal))
{
throw new ArgumentException(SR.Arg_DevicesNotSupported);
}
#if !PLATFORM_UNIX
// Check for additional invalid characters. Most invalid characters were checked above
// in our call to Path.GetFullPath(path);
if (HasAdditionalInvalidCharacters(fullPath))
{
throw new ArgumentException(SR.Argument_InvalidPathChars);
}
if (fullPath.IndexOf(':', 2) != -1)
{
throw new NotSupportedException(SR.Argument_PathFormatNotSupported);
}
#endif
if ((access & FileAccess.Read) != 0 && mode == FileMode.Append)
{
throw new ArgumentException(SR.Argument_InvalidAppendMode);
}
this._innerStream = FileSystem.Current.Open(fullPath, mode, access, share, bufferSize, options, this);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static DateTime GetLastWriteTimeUtc(String path)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
return(FileSystem.Current.GetLastWriteTime(fullPath).UtcDateTime);
}
public override void CreateDirectory(string fullPath)
{
if (PathInternal.IsDirectoryTooLong(fullPath))
{
throw new PathTooLongException(SR.IO_PathTooLong);
}
// We can save a bunch of work if the directory we want to create already exists. This also
// saves us in the case where sub paths are inaccessible (due to ERROR_ACCESS_DENIED) but the
// final path is accessible and the directory already exists. For example, consider trying
// to create c:\Foo\Bar\Baz, where everything already exists but ACLS prevent access to c:\Foo
// and c:\Foo\Bar. In that case, this code will think it needs to create c:\Foo, and c:\Foo\Bar
// and fail to due so, causing an exception to be thrown. This is not what we want.
if (DirectoryExists(fullPath))
{
return;
}
List <string> stackDir = new List <string>();
// Attempt to figure out which directories don't exist, and only
// create the ones we need. Note that InternalExists may fail due
// to Win32 ACL's preventing us from seeing a directory, and this
// isn't threadsafe.
bool somepathexists = false;
int length = fullPath.Length;
// We need to trim the trailing slash or the code will try to create 2 directories of the same name.
if (length >= 2 && PathHelpers.EndsInDirectorySeparator(fullPath))
{
length--;
}
int lengthRoot = PathInternal.GetRootLength(fullPath);
if (length > lengthRoot)
{
// Special case root (fullpath = X:\\)
int i = length - 1;
while (i >= lengthRoot && !somepathexists)
{
String dir = fullPath.Substring(0, i + 1);
if (!DirectoryExists(dir)) // Create only the ones missing
{
stackDir.Add(dir);
}
else
{
somepathexists = true;
}
while (i > lengthRoot && !PathInternal.IsDirectorySeparator(fullPath[i]))
{
i--;
}
i--;
}
}
int count = stackDir.Count;
// If we were passed a DirectorySecurity, convert it to a security
// descriptor and set it in he call to CreateDirectory.
Interop.Kernel32.SECURITY_ATTRIBUTES secAttrs = default(Interop.Kernel32.SECURITY_ATTRIBUTES);
bool r = true;
int firstError = 0;
String errorString = fullPath;
// If all the security checks succeeded create all the directories
while (stackDir.Count > 0)
{
String name = stackDir[stackDir.Count - 1];
stackDir.RemoveAt(stackDir.Count - 1);
r = Interop.Kernel32.CreateDirectory(name, ref secAttrs);
if (!r && (firstError == 0))
{
int currentError = Marshal.GetLastWin32Error();
// While we tried to avoid creating directories that don't
// exist above, there are at least two cases that will
// cause us to see ERROR_ALREADY_EXISTS here. InternalExists
// can fail because we didn't have permission to the
// directory. Secondly, another thread or process could
// create the directory between the time we check and the
// time we try using the directory. Thirdly, it could
// fail because the target does exist, but is a file.
if (currentError != Interop.Errors.ERROR_ALREADY_EXISTS)
{
firstError = currentError;
}
else
{
// If there's a file in this directory's place, or if we have ERROR_ACCESS_DENIED when checking if the directory already exists throw.
if (File.InternalExists(name) || (!DirectoryExists(name, out currentError) && currentError == Interop.Errors.ERROR_ACCESS_DENIED))
{
firstError = currentError;
errorString = name;
}
}
}
}
// We need this check to mask OS differences
// Handle CreateDirectory("X:\\") when X: doesn't exist. Similarly for n/w paths.
if ((count == 0) && !somepathexists)
{
String root = Directory.InternalGetDirectoryRoot(fullPath);
if (!DirectoryExists(root))
{
throw Win32Marshal.GetExceptionForWin32Error(Interop.Errors.ERROR_PATH_NOT_FOUND, root);
}
return;
}
// Only throw an exception if creating the exact directory we
// wanted failed to work correctly.
if (!r && (firstError != 0))
{
throw Win32Marshal.GetExceptionForWin32Error(firstError, errorString);
}
}
public static FileAttributes GetAttributes(String path)
{
String fullPath = PathHelpers.GetFullPathInternal(path);
return(FileSystem.Current.GetAttributes(fullPath));
}
private static bool ShouldUseWinRT(string fullPath, bool isCreate)
{
// The purpose of this method is to determine if we can access a path
// via Win32 or if we need to fallback to WinRT.
// We prefer Win32 since it is faster, WinRT's APIs eventually just
// call into Win32 after all, but it doesn't provide access to,
// brokered paths (like Pictures or Documents) nor does it handle
// placeholder files. So we'd like to fall back to WinRT whenever
// we can't access a path, or if it known to be a placeholder file.
bool useWinRt = false;
do
{
// first use GetFileAttributesEx as it is faster than FindFirstFile and requires minimum permissions
Interop.mincore.WIN32_FILE_ATTRIBUTE_DATA data = new Interop.mincore.WIN32_FILE_ATTRIBUTE_DATA();
if (Interop.mincore.GetFileAttributesEx(fullPath, Interop.mincore.GET_FILEEX_INFO_LEVELS.GetFileExInfoStandard, ref data))
{
// got the attributes
if ((data.fileAttributes & Interop.mincore.FileAttributes.FILE_ATTRIBUTE_DIRECTORY) != 0 ||
(data.fileAttributes & Interop.mincore.FileAttributes.FILE_ATTRIBUTE_REPARSE_POINT) == 0)
{
// we have a directory or a file that is not a reparse point
// useWinRt = false;
break;
}
else
{
// we need to get the find data to determine if it is a placeholder file
Interop.mincore.WIN32_FIND_DATA findData = new Interop.mincore.WIN32_FIND_DATA();
using (SafeFindHandle handle = Interop.mincore.FindFirstFile(fullPath, ref findData))
{
if (!handle.IsInvalid)
{
// got the find data, use WinRT for placeholder files
Debug.Assert((findData.dwFileAttributes & Interop.mincore.FileAttributes.FILE_ATTRIBUTE_DIRECTORY) == 0);
Debug.Assert((findData.dwFileAttributes & Interop.mincore.FileAttributes.FILE_ATTRIBUTE_REPARSE_POINT) != 0);
useWinRt = findData.dwReserved0 == Interop.mincore.IOReparseOptions.IO_REPARSE_TAG_FILE_PLACEHOLDER;
break;
}
}
}
}
int error = Marshal.GetLastWin32Error();
Debug.Assert(error != Interop.mincore.Errors.ERROR_SUCCESS);
if (error == Interop.mincore.Errors.ERROR_ACCESS_DENIED)
{
// The path was not accessible with Win32, so try WinRT
useWinRt = true;
break;
}
else if (error != Interop.mincore.Errors.ERROR_PATH_NOT_FOUND && error != Interop.mincore.Errors.ERROR_FILE_NOT_FOUND)
{
// We hit some error other than ACCESS_DENIED or NOT_FOUND,
// Default to Win32 to provide most accurate error behavior
break;
}
// error was ERROR_PATH_NOT_FOUND or ERROR_FILE_NOT_FOUND
// if we are creating a file/directory we cannot assume that Win32 will have access to
// the parent directory, so we walk up the path.
fullPath = PathHelpers.GetDirectoryNameInternal(fullPath);
// only walk up the path if we are creating a file/directory and not at the root
} while (isCreate && !String.IsNullOrEmpty(fullPath));
return(useWinRt);
}
private void Init(String path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options)
{
if (path == null)
{
throw new ArgumentNullException("path", SR.ArgumentNull_Path);
}
if (path.Length == 0)
{
throw new ArgumentException(SR.Argument_EmptyPath, "path");
}
// don't include inheritable in our bounds check for share
FileShare tempshare = share & ~FileShare.Inheritable;
String badArg = null;
if (mode < FileMode.CreateNew || mode > FileMode.Append)
{
badArg = "mode";
}
else if (access < FileAccess.Read || access > FileAccess.ReadWrite)
{
badArg = "access";
}
else if (tempshare < FileShare.None || tempshare > (FileShare.ReadWrite | FileShare.Delete))
{
badArg = "share";
}
if (badArg != null)
{
throw new ArgumentOutOfRangeException(badArg, SR.ArgumentOutOfRange_Enum);
}
// NOTE: any change to FileOptions enum needs to be matched here in the error validation
if (options != FileOptions.None && (options & ~(FileOptions.WriteThrough | FileOptions.Asynchronous | FileOptions.RandomAccess | FileOptions.DeleteOnClose | FileOptions.SequentialScan | FileOptions.Encrypted | (FileOptions)0x20000000 /* NoBuffering */)) != 0)
{
throw new ArgumentOutOfRangeException("options", SR.ArgumentOutOfRange_Enum);
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException("bufferSize", SR.ArgumentOutOfRange_NeedPosNum);
}
// Write access validation
if ((access & FileAccess.Write) == 0)
{
if (mode == FileMode.Truncate || mode == FileMode.CreateNew || mode == FileMode.Create || mode == FileMode.Append)
{
// No write access, mode and access disagree but flag access since mode comes first
throw new ArgumentException(SR.Format(SR.Argument_InvalidFileModeAndAccessCombo, mode, access), "access");
}
}
string fullPath = PathHelpers.GetFullPathInternal(path);
ValidatePath(fullPath, "path");
if ((access & FileAccess.Read) != 0 && mode == FileMode.Append)
{
throw new ArgumentException(SR.Argument_InvalidAppendMode, "access");
}
this._innerStream = FileSystem.Current.Open(fullPath, mode, access, share, bufferSize, options, this);
}