public static void Copy(String sourceFileName, String destFileName, bool overwrite)
{
if (sourceFileName == null || destFileName == null)
{
throw new ArgumentNullException((sourceFileName == null ? "sourceFileName" : "destFileName"), "ArgumentNull_FileName");
}
if (sourceFileName.Length == 0 || destFileName.Length == 0)
{
throw new ArgumentException("Argument_EmptyFileName", (sourceFileName.Length == 0 ? "sourceFileName" : "destFileName"));
}
String fullSourceFileName = NameFix.AddLongPathPrefix(sourceFileName);
String fullDestFileName = NameFix.AddLongPathPrefix(destFileName);
bool r = Win32Native.CopyFile(fullSourceFileName, fullDestFileName, !overwrite);
if (!r)
{
// Save Win32 error because subsequent checks will overwrite this HRESULT.
int errorCode = Marshal.GetLastWin32Error();
String fileName = destFileName;
/*
* if (errorCode != Win32Native.ERROR_FILE_EXISTS)
* {
* // For a number of error codes (sharing violation, path
* // not found, etc) we don't know if the problem was with
* // the source or dest file. Try reading the source file.
* using (SafeFileHandle handle = Win32Native.UnsafeCreateFile(fullSourceFileName, FileStream.GENERIC_READ, FileShare.Read, null, FileMode.Open, 0, IntPtr.Zero))
* {
* if (handle.IsInvalid)
* fileName = sourceFileName;
* }
*
* if (errorCode == Win32Native.ERROR_ACCESS_DENIED)
* {
* if (Directory.InternalExists(fullDestFileName))
* throw new IOException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Arg_FileIsDirectory_Name"), destFileName), Win32Native.ERROR_ACCESS_DENIED, fullDestFileName);
* }
* }
*
* __Error.WinIOError(errorCode, fileName);
*
*/
}
}
public DirectoryInfo[] GetDirectories(string SearchPattern, bool includeHidden = true)
{
List <DirectoryInfo> dirs = new List <DirectoryInfo>();
string dirName = NameFix.AddLongPathPrefix(FullName);
Win32Native.WIN32_FIND_DATA findData = new Win32Native.WIN32_FIND_DATA();
SafeFindHandle findHandle = Win32Native.FindFirstFile(dirName + @"\" + SearchPattern, findData);
if (!findHandle.IsInvalid)
{
do
{
string currentFileName = findData.cFileName;
// if this is a directory, find its contents
if ((findData.dwFileAttributes & Win32Native.FILE_ATTRIBUTE_DIRECTORY) == 0)
{
continue;
}
if (currentFileName == "." || currentFileName == "..")
{
continue;
}
if (!includeHidden && (findData.dwFileAttributes & Win32Native.FILE_ATTRIBUTE_HIDDEN) != 0)
{
continue;
}
DirectoryInfo di = new DirectoryInfo
{
Name = currentFileName,
FullName = Path.Combine(FullName, currentFileName),
LastWriteTime = Convert.Time(findData.ftLastWriteTimeHigh, findData.ftLastWriteTimeLow),
fileAttributes = findData.dwFileAttributes
};
dirs.Add(di);
}while (Win32Native.FindNextFile(findHandle, findData));
}
// close the find handle
findHandle.Dispose();
return(dirs.ToArray());
}
public DirectoryInfo(string path)
{
FullName = path;
Name = Path.GetFileName(path);
string fileName = NameFix.AddLongPathPrefix(path);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA wIn32FileAttributeData = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
bool b = Win32Native.GetFileAttributesEx(fileName, 0, ref wIn32FileAttributeData);
if (!b || (wIn32FileAttributeData.fileAttributes & Win32Native.FILE_ATTRIBUTE_DIRECTORY) == 0)
{
return;
}
LastWriteTime = Convert.Time(wIn32FileAttributeData.ftLastWriteTimeHigh, wIn32FileAttributeData.ftLastWriteTimeLow);
fileAttributes = wIn32FileAttributeData.fileAttributes;
}
// errorMessage = new Win32Exception(errorCode).Message;
public static int OpenFileRead(string path, out System.IO.Stream stream)
{
string filename = NameFix.AddLongPathPrefix(path);
SafeFileHandle hFile = Win32Native.CreateFile(filename,
GENERIC_READ,
System.IO.FileShare.Read,
IntPtr.Zero,
System.IO.FileMode.Open,
FILE_ATTRIBUTE_NORMAL,
IntPtr.Zero);
if (hFile.IsInvalid)
{
stream = null;
return(Marshal.GetLastWin32Error());
}
stream = new System.IO.FileStream(hFile, System.IO.FileAccess.Read);
return(0);
}
public static void Move(String sourceDirName, String destDirName)
{
if (sourceDirName == null)
{
throw new ArgumentNullException("sourceDirName");
}
if (sourceDirName.Length == 0)
{
throw new ArgumentException("Argument_EmptyFileName", "sourceDirName");
}
if (destDirName == null)
{
throw new ArgumentNullException("destDirName");
}
if (destDirName.Length == 0)
{
throw new ArgumentException("Argument_EmptyFileName", "destDirName");
}
String fullsourceDirName = NameFix.AddLongPathPrefix(sourceDirName);
String fulldestDirName = NameFix.AddLongPathPrefix(destDirName);
if (!Win32Native.MoveFile(fullsourceDirName, fulldestDirName))
{
int hr = Marshal.GetLastWin32Error();
if (hr == Win32Native.ERROR_FILE_NOT_FOUND) // Source dir not found
{
throw new Exception("ERROR_PATH_NOT_FOUND " + fullsourceDirName);
}
if (hr == Win32Native.ERROR_ACCESS_DENIED) // WinNT throws IOException. This check is for Win9x. We can't change it for backcomp.
{
throw new Exception("UnauthorizedAccess_IODenied_Path" + sourceDirName);
}
}
}
public static bool SetAttributes(String path, FileAttributes fileAttributes)
{
String fullPath = NameFix.AddLongPathPrefix(path);
return(Win32Native.SetFileAttributes(fullPath, (int)fileAttributes));
}
public static void Delete(String path)
{
String fullPath = NameFix.AddLongPathPrefix(path);
Win32Native.RemoveDirectory(fullPath);
}
