/// <summary>
/// Opens the specified file.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> containing the path of the file to open.
/// </param>
/// <param name="access">
/// One of the <see cref="FileAccess"/> value that specifies the operations that can be
/// performed on the file.
/// </param>
/// <param name="mode">
/// One of the <see cref="FileMode"/> values that specifies whether a file is created
/// if one does not exist, and determines whether the contents of existing files are
/// retained or overwritten.
/// </param>
/// <param name="share">
/// One of the <see cref="FileShare"/> values specifying the type of access other threads
/// have to the file.
/// </param>
/// <returns>
/// A <see cref="FileStream"/> that provides access to the file specified in
/// <paramref name="path"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="path"/> is an empty string (""), contains only white
/// space, or contains one or more invalid characters as defined in
/// <see cref="Path.GetInvalidPathChars()"/>.
/// <para>
/// -or-
/// </para>
/// <paramref name="path"/> 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="path"/> exceeds the system-defined maximum length.
/// For example, on Windows-based platforms, paths must not exceed
/// 32,000 characters.
/// </exception>
/// <exception cref="DirectoryNotFoundException">
/// One or more directories in <paramref name="path"/> could not be found.
/// </exception>
/// <exception cref="UnauthorizedAccessException">
/// The caller does not have the required access permissions.
/// <para>
/// -or-
/// </para>
/// <paramref name="path"/> refers to a file that is read-only and <paramref name="access"/>
/// is not <see cref="FileAccess.Read"/>.
/// <para>
/// -or-
/// </para>
/// <paramref name="path"/> is a directory.
/// </exception>
/// <exception cref="IOException">
/// <paramref name="path"/> refers to a file that is in use.
/// <para>
/// -or-
/// </para>
/// <paramref name="path"/> specifies a device that is not ready.
/// </exception>
public static FileStream Open(string path, FileMode mode, FileAccess access, FileShare share)
{
if (Common.IsRunningOnMono() && Common.IsPlatformUnix())
{
return(SysFile.Open(path, mode, access, share));
}
return(Open(path, mode, access, share, 0, FileOptions.None));
}
public static FileStream Open(string path, FileMode mode)
{
if (Common.IsRunningOnMono() && Common.IsPlatformUnix())
{
return(SysFile.Open(path, mode));
}
return(File.Open(path, mode, (mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite), FileShare.None));
}
