File.SetLastWriteTimeUtc(String, DateTime) Method

Definition

Namespace:: System.IO

Assemblies:: mscorlib.dll, System.IO.FileSystem.dll

Assembly:: System.IO.FileSystem.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Sets the date and time, in coordinated universal time (UTC), that the specified file was last written to.

public:
 static void SetLastWriteTimeUtc(System::String ^ path, DateTime lastWriteTimeUtc);

public static void SetLastWriteTimeUtc (string path, DateTime lastWriteTimeUtc);

static member SetLastWriteTimeUtc : string * DateTime -> unit

Public Shared Sub SetLastWriteTimeUtc (path As String, lastWriteTimeUtc As DateTime)

Parameters

path: String

The file for which to set the date and time information.

lastWriteTimeUtc: DateTime

A DateTime containing the value to set for the last write date and time of path. This value is expressed in UTC time.

Exceptions

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 null.

PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length.

FileNotFoundException

The specified path was not found.

UnauthorizedAccessException

The caller does not have the required permission.

NotSupportedException

path is in an invalid format.

ArgumentOutOfRangeException

lastWriteTimeUtc specifies a value outside the range of dates or times permitted for this operation.

Remarks

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.

For a list of common I/O tasks, see Common I/O Tasks.

Applies to