public void AddCustomColumn(FileView flView) { foreach (string key in Program.customColumns.Keys) { if (!this.ContainsKey(key)) { this[key] = Program.customColumns[key]; } } ReadColoumnAttributes(flView); foreach (string key in Program.customColumns.Keys) { if (flView.GetColumnDisplayIndex(this[key].Name, -1) < 0) { flView.AddCustomColumn(this[key].Name, ColumnTextJustificationStyles.Left, this[key].Width); } } }