BelhardTraining.LessonIO.MainForm.ShowProperties C# (CSharp) Метод

        private void ShowProperties(string fileName)
        {
            var properties = GetFileProperties(fileName);

            lvProperties.BeginUpdate();
            lvProperties.Items.Clear();
            var groupByName = new Dictionary<string, ListViewGroup>();
            foreach (var property in properties)
            {
                var listItem = new ListViewItem { Text = property.ShortName };
                listItem.SubItems.Add(property.Value);

                if (property.GroupName.Length > 0)
                {
                    ListViewGroup listGroup;
                    if (!groupByName.TryGetValue(property.GroupName, out listGroup))
                    {
                        listGroup = new ListViewGroup(property.GroupName);
                        groupByName.Add(property.GroupName, listGroup);
                        lvProperties.Groups.Add(listGroup);
                    }
                    listItem.Group = listGroup;
                }

                lvProperties.Items.Add(listItem);
            }

            lvProperties.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
            lvProperties.EndUpdate();
        }