FileSystemInfo.LastAccessTimeUtc Property
Gets or sets the time, in coordinated universal time (UTC), that the current file or directory was last accessed.
Assembly: mscorlib (in mscorlib.dll)
Property Value
Type: System.DateTimeThe UTC time that the current file or directory was last accessed.
| Exception | Condition |
|---|---|
| IOException | Refresh cannot initialize the data. |
| PlatformNotSupportedException | The current operating system is not Windows NT or later. |
| ArgumentOutOfRangeException | The caller attempts to set an invalid access time. |
Note This method may return an inaccurate value, because it uses native functions whose values may not be continuously updated by the operating system.
The value of the LastAccessTimeUtc property is pre-cached if the current instance of the FileSystemInfo object was returned from any of the following DirectoryInfo methods:
To get the latest value, call the Refresh method.
If the file described in the FileSystemInfo object does not exist, this property will return 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC).
For a list of common I/O tasks, see Common I-O Tasks.
These operating systems do not support this property, and DirectoryInfo implementations of this property are not supported.
for setting the last access time. Associated enumeration: FileIOPermissionAccess.Write
Available since 10
.NET Framework
Available since 1.1