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File.SetLastWriteTimeUtc Method

  • Reference

Definition

Namespace:
System.IO
Assembly:
System.Runtime.dll
Assemblies:
mscorlib.dll, System.IO.FileSystem.dll
Assembly:
System.IO.FileSystem.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll

Overloads

SetLastWriteTimeUtc(SafeFileHandle, DateTime)

Sets the date and time, in Coordinated Universal Time (UTC), that the specified file or directory was last written to.
SetLastWriteTimeUtc(String, DateTime)

Sets the date and time, in Coordinated Universal Time (UTC), that the specified file was last written to.

SetLastWriteTimeUtc(SafeFileHandle, DateTime)

Source:
File.cs
Source:
File.cs
Source:
File.cs

Sets the date and time, in Coordinated Universal Time (UTC), that the specified file or directory was last written to.

public:
 static void SetLastWriteTimeUtc(Microsoft::Win32::SafeHandles::SafeFileHandle ^ fileHandle, DateTime lastWriteTimeUtc);
public static void SetLastWriteTimeUtc (Microsoft.Win32.SafeHandles.SafeFileHandle fileHandle, DateTime lastWriteTimeUtc);
static member SetLastWriteTimeUtc : Microsoft.Win32.SafeHandles.SafeFileHandle * DateTime -> unit
Public Shared Sub SetLastWriteTimeUtc (fileHandle As SafeFileHandle, lastWriteTimeUtc As DateTime)

Parameters

fileHandle
SafeFileHandle

A SafeFileHandle to the file or directory for which to set the last write date and time information.

lastWriteTimeUtc
DateTime

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

Exceptions

ArgumentNullException

fileHandle is null.

ArgumentOutOfRangeException

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

UnauthorizedAccessException

The caller does not have the required permission.

IOException

An I/O error occurred while performing the operation.

Applies to

SetLastWriteTimeUtc(String, DateTime)

Source:
File.cs
Source:
File.cs
Source:
File.cs

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

.NET Framework and .NET Core versions older than 2.1: path is a zero-length string, contains only white space, or contains one or more invalid characters. You can query for invalid characters by using the GetInvalidPathChars() method.

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.

See also

Applies to