The SetLastWriteTime and GetLastWriteTime methods are used to set and get the last write date and time of the specified file. The following code snippet sets and gets the last write date and time of a file.

// Get and set file last write time

string fileName = @"c:\temp\Mahesh.txt";
File.SetLastWriteTime(fileName, DateTime.Now);
DateTime dt = File.GetLastWriteTime(fileName);
Console.WriteLine("File last write time: {0}", dt.ToString());

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