internal static SafeFileHandle GetFileHandle(string filename)
{
if (IsLongPath(filename))
{
filename = GetWin32LongPath(filename);
}
SafeFileHandle hfile = Win32FileSystem.CreateFile(filename, (int)Win32FileSystem.FILE_GENERIC_READ, Win32FileSystem.FILE_SHARE_READ, IntPtr.Zero, Win32FileSystem.OPEN_EXISTING, 0, IntPtr.Zero);
if (hfile.IsInvalid)
{
ThrowWin32Exception();
}
return(hfile);
}
private static SafeFileHandle CreateFileForWrite(string filename)
{
if (IsLongPath(filename))
{
filename = GetWin32LongPath(filename);
}
SafeFileHandle hfile = Win32FileSystem.CreateFile(filename, (int)Win32FileSystem.FILE_GENERIC_WRITE, Win32FileSystem.FILE_SHARE_NONE, IntPtr.Zero, Win32FileSystem.CREATE_ALWAYS, 0, IntPtr.Zero);
if (hfile.IsInvalid)
{
ThrowWin32Exception();
}
return(hfile);
}
internal static SafeFileHandle GetFileHandleWithWrite(string filename)
{
if (IsLongPath(filename))
{
filename = GetWin32LongPath(filename);
}
// SafeFileHandle hfile = Win32FileSystem.CreateFile(filename, (int)(Win32FileSystem.FILE_GENERIC_READ | Win32FileSystem.FILE_GENERIC_WRITE | Win32FileSystem.FILE_WRITE_ATTRIBUTES), Win32FileSystem.FILE_SHARE_NONE, IntPtr.Zero, Win32FileSystem.OPEN_EXISTING, 0, IntPtr.Zero);
SafeFileHandle hfile = Win32FileSystem.CreateFile(filename, (int)(Win32FileSystem.FILE_GENERIC_READ), Win32FileSystem.FILE_SHARE_READ, IntPtr.Zero, Win32FileSystem.OPEN_EXISTING, 0, IntPtr.Zero);
if (hfile.IsInvalid)
{
ThrowWin32Exception();
}
return(hfile);
}
public static System.IO.FileStream GetFileStream(string filename, System.IO.FileAccess access = System.IO.FileAccess.Read)
{
var longFilename = GetWin32LongPath(filename);
SafeFileHandle hfile;
if (access == System.IO.FileAccess.Write)
{
hfile = Win32FileSystem.CreateFile(longFilename, (int)(Win32FileSystem.FILE_GENERIC_READ | Win32FileSystem.FILE_GENERIC_WRITE | Win32FileSystem.FILE_WRITE_ATTRIBUTES), Win32FileSystem.FILE_SHARE_NONE, IntPtr.Zero, Win32FileSystem.OPEN_EXISTING, 0, IntPtr.Zero);
}
else
{
hfile = Win32FileSystem.CreateFile(longFilename, (int)Win32FileSystem.FILE_GENERIC_READ, Win32FileSystem.FILE_SHARE_READ, IntPtr.Zero, Win32FileSystem.OPEN_EXISTING, 0, IntPtr.Zero);
}
if (hfile.IsInvalid)
{
ThrowWin32Exception();
}
return(new System.IO.FileStream(hfile, access));
}