Attributes

GetAttributes

Returns the attributes of a file
This returns a FileAttributes enumeration that identifies the file's attributes.
FileAttributes has a FlagsAttribute that allows bitwise combination of its members so that a file can have multiple sttributes.

System.IO.File.GetAttributes(file) 

If you want to determine if a file has a particular attribute you have to test for that using the boolean AND operator.

System.IO.File.FileAttributes oFileAttributes; 
oFileAttributes = System.IO.File.GetAttributes("file1.txt"); 

if (oFileAttributes && System.IO.File.FileAttributes.ReadOnly) <> 0) 
{ 
} 

SetAttributes

Sets the attributes for a file

System.IO.File.SetAttributes(file, attributes)