How to get times when the user logged in, logged out, locked, unlocked of windows?

void refresh()
{

    dataGridViewMain.Rows.Clear();


    addEntriesToDataGridView("Login", 4624);

    addEntriesToDataGridView("Logoff", 4647);

    addEntriesToDataGridView("Lock", 4800);

    addEntriesToDataGridView("Unlock", 4801);

    dataGridViewMain.Sort(dataGridViewMain.Columns[1], ListSortDirection.Descending);
}

void addEntriesToDataGridView(string name, int id)
{

    EventLog log = new EventLog("Security");
    var entries = log.Entries.Cast<EventLogEntry>()
                             .Where(x => x.InstanceId == id)
                             .Select(x => new
                             {
                                 x.TimeGenerated,

                             }).ToList();


    foreach (var evl in entries)
    {
        dataGridViewMain.Rows.Add(new object[] { name, evl.TimeGenerated });
    }
}