namespace TestComponents
{
    public partial class FormTestComponents : Form
    {
        public FormTestComponents()
        {
            InitializeComponent();
            Fill();
        }

        private void Fill()
        {
            List<string> items = new() { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
            userCheckedListBox.FillList(items);
        }

        private void UserCheckedListBox_SelectedValueChanged(object sender, EventArgs e)
        {
            MessageBox.Show("Selected value changed");
        }

        private void ButtonClear_Click(object sender, EventArgs e)
        {
            userCheckedListBox.ClearList();
        }

        private void ButtonShowItems_Click(object sender, EventArgs e)
        {
            textBoxItems.Clear();
            textBoxItems.Text = userCheckedListBox.SelectedValue;
        }

        private void ButtonShowDate_Click(object sender, EventArgs e)
        {
            try
            {
                textBoxShowDate.Clear();
                textBoxShowDate.Text = userDateTimePicker.SelectedValue.ToString();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void UserDateTimePicker_ValueChanged(object sender, EventArgs e)
        {
            MessageBox.Show("Value changed");
            DateTime? selectedDate = userDateTimePicker.SelectedValue;
        }

        private void UserTreeView_Load(object sender, EventArgs e)
        {
            List<Employee> employees = new List<Employee>
            {
                new Employee { Department = "Отдел1", Position = "Должность1", Name = "Сотрудник1" },
                new Employee { Department = "Отдел2", Position = "Должность2", Name = "Сотрудник2" },
                new Employee { Department = "Отдел1", Position = "Должность1", Name = "Сотрудник3" },
                new Employee { Department = "Отдел2", Position = "Должность3", Name = "Сотрудник4" },
            };
            var Hierarchy = new List<string> { "Department", "Position", "Name" };
            foreach (var prop in employees[0].GetType().GetProperties())
            {
                userTreeView.Hierarchy.Add(prop.Name);
            }

            try
            {
                userTreeView.PopulateTree(employees);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        public class Employee
        {
            public string? Department { get; set; }
            public string? Position { get; set; }
            public string? Name { get; set; }
        }
    }
}