BF2Statistics.SnapshotViewForm.BuildList C# (CSharp) Method

        private void BuildList(string MapName = "", string Prefix = "", DateTime? StartDate = null, DateTime? EndDate = null)
        {
            // Remove old junk from the list
            SnapshotView.Items.Clear();
            SnapshotView.SuspendLayout();

            // Define what we are filtering
            bool filterMap = !String.IsNullOrWhiteSpace(MapName);
            bool filterPrefix = !String.IsNullOrWhiteSpace(Prefix);
            bool filterDate = (EndDate != null && StartDate != null);

            try
            {
                // Add each found snapshot to the snapshot view
                string path = (ViewSelect.SelectedIndex == 0) ? Paths.SnapshotTempPath : Paths.SnapshotProcPath;
                foreach (SnapshotFile file in GetSnapshotFileInfos(path).OrderByDescending(o => o.ProcessedDate))
                {
                    // Filtering of Mapname
                    if (filterMap && !MapName.Equals(file.MapName, StringComparison.InvariantCultureIgnoreCase))
                        continue;

                    // Filtering of Server Prefix
                    if (filterPrefix && !Prefix.Equals(file.ServerPrefix, StringComparison.InvariantCultureIgnoreCase))
                        continue;

                    // Filtering of Dates
                    if (filterDate && (file.ProcessedDate >= EndDate || file.ProcessedDate <= StartDate))
                        continue;

                    // Add item
                    ListViewItem Row = new ListViewItem();
                    Row.Tag = file;
                    Row.SubItems.Add(file.MapName);
                    Row.SubItems.Add(file.ServerPrefix);
                    Row.SubItems.Add(file.ProcessedDate.ToString());
                    SnapshotView.Items.Add(Row);
                }

                // If we have no items, disable a few things...
                if (SnapshotView.Items.Count == 0)
                {
                    ImportBtn.Enabled = false;
                    SnapshotView.CheckBoxes = false;

                    ListViewItem Row = new ListViewItem();
                    Row.Tag = String.Empty;
                    Row.SubItems.Add(String.Format("There are no {0}processed snapshots!", (ViewSelect.SelectedIndex == 0) ? "un" : ""));
                    Row.SubItems.Add("");
                    Row.SubItems.Add("");
                    SnapshotView.Items.Add(Row);
                }
                else
                    SnapshotView.CheckBoxes = true;
            }
            catch
            {

            }

            SnapshotView.ResumeLayout();
            SnapshotView.Update();
        }