using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Components
{
    public partial class CustomComboBox : UserControl
    {
        public CustomComboBox()
        {
            InitializeComponent();
        }

        public void ClearComboBox()
        {
            comboBox.Items.Clear();
            comboBox.SelectedItem = null;
            comboBox.Text = string.Empty;
        }

        public string SelectedItem
        {
            get
            {
                return comboBox.SelectedItem?.ToString() ?? string.Empty;            }
            set
            {
                comboBox.SelectedItem = value;
            }
        }

        public ComboBox.ObjectCollection ComboBoxItems
        {
            get { return comboBox.Items; }
        }

        private EventHandler _onValueChangedEvent;
        public event EventHandler ValueChangedEvent
        {
            add
            {
                _onValueChangedEvent += value;
            }
            remove
            {
                _onValueChangedEvent -= value;
            }
        }
        private void CustomComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            _onValueChangedEvent?.Invoke(sender, e);
        }
    }
}