How do I list only directories created based on a date range. Basically, I pick a start date and an end date WPF?

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I have this code that lists all the subdirectories in a folder.

C#

string path = @"C:\Temp\MyFolder";
DirectoryInfo dir_place = new DirectoryInfo(path);
//place directories in an array
DirectoryInfo[] directories = dir_place.GetDirectories();

//add them to ListBox
foreach (var directory in directories)
{
listBox.Items.Add(directory.Name);
}

I am trying to list all directories based on specified date range

What I have tried:

Only the above code as I am searching for help

Posted 6-Apr-23 18:52pm

SEB BEC

Updated 7-Apr-23 3:44am

PIEBALDconsult

v2

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OriginalGriff · Answer 1 · 2023-04-06T19:30:00

Solution 1

Use the Directory.GetCreationTime(String) Method (System.IO) | Microsoft Learn[^]

Posted 6-Apr-23 19:30pm

OriginalGriff

Graeme_Grant · Answer 2 · 2023-04-06T20:07:00

Solution 2

Something like this?

C#

string path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

// directories in approx the last 6 months
DateTime compareDate = DateTime.Now + TimeSpan.FromDays(-6 * 30.5);
IEnumerable<DirectoryInfo> searchResults = new DirectoryInfo(path)
    .EnumerateDirectories()
    .Where(info => info.CreationTime <= compareDate)
    .OrderByDescending(di => di.CreationTime);

foreach (DirectoryInfo info in searchResults)
{
    Console.WriteLine($"{info.Name} | {info.CreationTime} | {info.FullName}");
}

Posted 6-Apr-23 20:07pm

Graeme_Grant

Updated 11-Apr-23 0:40am

v2

Comments

George Swan 7-Apr-23 13:01pm

Should not that be DateTime compareDate = DateTime.Now - TimeSpan.FromDays(6 * 30.5);?

Graeme_Grant 7-Apr-23 17:56pm

Good to see someone is paying attention.

Richard Deeming 11-Apr-23 6:33am

Or better yet:

DateTime compareDate = DateTime.Today.AddMonths(-6);

It may also be better to use UTC; there's a good chance that a six month period would include at least one clock change for DST.

Graeme_Grant 11-Apr-23 6:39am

That works too ... what I wrote was a quick post, the core o how is there.