var fillData = new List();
for (var i = 0; i fillData.Add(i);
}
var stopwatch1 = new Stopwatch();
stopwatch1.Start();
var autoFill = new List();
autoFill.AddRange(fillData);
stopwatch1.Stop();
var
var fillData = new List();
for (var i = 0; i fillData.Add(i);
}
var stopwatch1 = new Stopwatch();
stopwatch1.Start();
var autoFill = new List();
autoFill.AddRange(fillData);
stopwatch1.Stop();
var