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How to: Determine a Directory's Creation Time in Visual Basic 

The My.Computer.FileSystem.GetDirectoryInfo Method returns a DirectoryInfo object that can be queried for information about the directory.

If the directory does not exist, an exception is not thrown until the first time a property on the DirectoryInfo object is accessed.


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To determine a directory's creation time

  • Use the GetDirectoryInfo method to retrieve a DirectoryInfo object for the directory, and query the CreationTime property. This example displays CreationTime for C:\Documents and Settings.

    Dim getInfo As System.IO.DirectoryInfo
    getInfo = My.Computer.FileSystem.GetDirectoryInfo _
    ("C:\Documents and Settings")
    MsgBox("The directory was created at " & getInfo.CreationTime)

Robust Programming

The following conditions may cause an exception:

  • The path is not valid for one of the following reasons: it is a zero-length string; it contains only white space; it contains invalid characters; or it is a device path (starts with \\.\) (ArgumentException).

  • The path is not valid because it is Nothing (ArgumentNullException).

  • The path exceeds the system-defined maximum length (PathTooLongException).

  • A file or directory name in the path contains a colon (:) or is in an invalid format (NotSupportedException).

  • The user lacks the necessary permissions to view the path (SecurityException).

See Also