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File.GetLastAccessTimeUtc Method

Note: This namespace, class, or member is supported only in version 1.1 of the .NET Framework.

Returns the date and time, in coordinated universal time (UTC), that the specified file or directory was last accessed.

[Visual Basic]
Public Shared Function GetLastAccessTimeUtc( _
   ByVal path As String _
) As DateTime
public static DateTime GetLastAccessTimeUtc(
 string path
public: static DateTime GetLastAccessTimeUtc(
 String* path
public static function GetLastAccessTimeUtc(
   path : String
) : DateTime;


The file or directory for which to obtain access date and time information.

Return Value

A DateTime structure set to the date and time that the specified file or directory was last accessed. This value is expressed in UTC time.


Exception Type Condition
UnauthorizedAccessException The caller does not have the required permission.
ArgumentException path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by InvalidPathChars.
ArgumentNullException path is a null reference (Nothing in Visual Basic).
PathTooLongException The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
IOException The specified path was not found.
NotSupportedException path is in an invalid format.


The path parameter is permitted to specify relative or absolute path information. Relative path information is interpreted as relative to the current working directory. To obtain the current working directory, see GetCurrentDirectory.

The following table lists examples of other typical or related I/O tasks.

To do this... See the example in this topic...
Write to a text file. Writing Text to a File
Read from a text file. Reading Text from a File
Append text to a file. Opening and Appending to a Log File



Rename or move a file. File.Move



Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

.NET Framework Security: 

See Also

File Class | File Members | System.IO Namespace | Working with I/O | Reading Text from a File | Writing Text to a File