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Meziantou.Framework.Win32.ChangeJournal

Meziantou.Framework.Win32.ChangeJournal helps you read the change journal of a volume. The change journal is a database that contains a list of every change made to the files or directories on the volume. You can use this library to monitor changes made to files and directories on the volume. You can also use it to manipulate the change journal (e.g. Create, Delete, enable change tracking).

Get the last record for a file

var entry = ChangeJournal.GetEntry(@"D:\test.txt");

Get all records

using var changeJournal = ChangeJournal.Open(new DriveInfo("D:"), unprivileged: false);
foreach (var change in changeJournal.GetEntries(ChangeReason.All, returnOnlyOnClose: false, Timeout.InfiniteTimeSpan))
{
    if (change is ChangeJournalEntryVersion2or3 changev2)
    {
    }
    else if (change is ChangeJournalEntryVersion4 changev4)
    {
    }
}

Get all records from a USN

foreach (var change in changeJournal.GetEntries(entry.UniqueSequenceNumber, ChangeReason.All, returnOnlyOnClose: false, Timeout.InfiniteTimeSpan))
{
}

Create / Delete / Enable change tracking

changeJournal.Create(maximumSize: 10_000_000, allocationDelta: 1_000_000);
changeJournal.EnableTrackModifiedRanges(chunkSize: 10_000, fileSizeThreshold: 100_000_000);
changeJournal.Delete();