File.SetAttributes() Method in C# with Examples
Last Updated :
26 Feb, 2021
File.SetAttributes(String, FileAttributes) is an inbuilt File class method that is used to set the specified file attributes of the file on the specified path. File attributes are those certain rights that are either granted or denied. These rights are for a user or for an operating system that accesses the file. These attributes are such as Read-only, Archive, System, Hidden, etc.
Syntax:
public static void SetAttributes (string path, System.IO.FileAttributes fileAttributes);
Parameter: This function accepts two parameters which are illustrated below:
- path: This is the specified file path.
- fileAttributes: This is the bitwise combination of the enumeration values.
Exceptions:
- ArgumentException: The path is empty, contains only white spaces, invalid characters, or the file attribute is invalid.
- PathTooLongException: The specified path, file name, or both exceed the system-defined maximum length.
- NotSupportedException: The path is in an invalid format.
- DirectoryNotFoundException: The specified path is invalid.
- FileNotFoundException: The file cannot be found.
- UnauthorizedAccessException: The path specified a file that is read-only. OR this operation is not supported on the current platform. OR the path specified a directory. OR the caller does not have the required permission.
Below are the programs to illustrate the File.SetAttributes(String, FileAttributes) method.
Program 1: Before running the below code, a file file.txt is created with some contents shown below:
CSharp
using System;
using System.IO;
using System.Text;
class GFG {
public static void Main()
{
string path = @"file.txt" ;
FileAttributes attributes = File.GetAttributes(path);
if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden) {
attributes = RemoveAttribute(attributes, FileAttributes.Hidden);
File.SetAttributes(path, attributes);
Console.WriteLine( "The {0} file is no longer hidden." , path);
}
else {
File.SetAttributes(path, File.GetAttributes(path) | FileAttributes.Hidden);
Console.WriteLine( "The {0} file is now hidden." , path);
}
}
private static FileAttributes RemoveAttribute(FileAttributes attributes,
FileAttributes attributesToRemove)
{
return attributes & ~attributesToRemove;
}
}
|
Output:
The file.txt file is now hidden.
Program 2: Initially, no file was created. Below code, itself creates a file gfg.txt.
CSharp
using System;
using System.IO;
using System.Text;
class GFG {
public static void Main()
{
string path = @"gfg.txt" ;
if (!File.Exists(path)) {
File.Create(path);
}
FileAttributes attributes = File.GetAttributes(path);
if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden) {
attributes = RemoveAttribute(attributes, FileAttributes.Hidden);
File.SetAttributes(path, attributes);
Console.WriteLine( "The {0} file is no longer hidden." , path);
}
else {
File.SetAttributes(path, File.GetAttributes(path) | FileAttributes.Hidden);
Console.WriteLine( "The {0} file is now hidden." , path);
}
}
private static FileAttributes RemoveAttribute(FileAttributes attributes,
FileAttributes attributesToRemove)
{
return attributes & ~attributesToRemove;
}
}
|
Output:
The gfg.txt file is now hidden.
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