Gets or sets the time, in coordinated universal time (UTC), when the current file or directory was last written to.
Syntax
public DateTime LastWriteTimeUtc { get; set; }
Value
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Remarks
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 FileSystemInfo.LastWriteTimeUtc property is pre-cached if the current instance of the System.IO.FileSystemInfo object was returned from any of the following System.IO.DirectoryInfo methods:
To get the latest value, call the FileSystemInfo.Refresh method.
If the file described in the System.IO.FileSystemInfo object does not exist, this property will return 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC).
This property value is null if the file system containing the file does not support this information.
Requirements
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0