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Directory.SetLastWriteTimeUtc Method (String, DateTime)

 

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

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

static member SetLastWriteTimeUtc : 
        path:string *
        lastWriteTimeUtc:DateTime -> unit

Parameters

path
Type: System.String

The path of the directory.

lastWriteTimeUtc
Type: System.DateTime

The date and time the directory was last written to. This value is expressed in UTC time.

Exception Condition
FileNotFoundException

The specified path was not found.

ArgumentException

path is a zero-length string, contains only white space, or contains one or more invalid characters. You can query for invalid characters with the GetInvalidPathChars method.

ArgumentNullException

path is null.

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.

UnauthorizedAccessException

The caller does not have the required permission.

PlatformNotSupportedException

The current operating system is not Windows NT or later.

ArgumentOutOfRangeException

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

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 path parameter is not case-sensitive.

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

Win95Win98Win98Se

These operating systems do not support this method.

The following example illustrates the differences in output when using Coordinated Universal Time (UTC) output.

No code example is currently available or this language may not be supported.

FileIOPermission

for writing to the specified file or directory. Associated enumeration: FileIOPermissionAccess.Write

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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