BzReader.BrowseForm.timer_Tick C# (CSharp) Метод

        private void timer_Tick(object sender, EventArgs e)
        {
            if (searchLaunched)
            {
                return;
            }

            if (lastTextChange.HasValue &&
                DateTime.Now.Subtract(lastTextChange.Value) > TimeSpan.FromMilliseconds(AUTOSEARCH_DELAY) &&
                searchBox.Text.Length > 2)
            {
                LaunchSearch(false);
            }
        }