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 VisableComponents
{
    public partial class MyCheckList : UserControl
    {
        private EventHandler onValueChanged;
        public event EventHandler ValueChanged
        {
            add
            {
                onValueChanged += value;
            }
            remove
            {
                onValueChanged -= value;
            }
        }
        public MyCheckList()
        {
            InitializeComponent();
        }
        public void LoadValues(List<string> Values)
        {
            checkedList.Items.AddRange(Values.ToArray());
        }
        public void RemoveAll()
        {
            checkedList.Items.Clear();
        }
        public string selectedValue { 
            get 
            {
                if(checkedList.SelectedItem is null)
                return "";
                else 
                    return checkedList.SelectedItem.ToString();
            } 
            set {
                if (checkedList.SelectedItem is null)
                    return;
                checkedList.Items[checkedList.SelectedIndex] = value;
            } 
        }

        private void checkedList_ItemCheck(object sender, ItemCheckEventArgs e)
        {
            Random rn = new Random();
            checkedList.BackColor = Color.FromArgb(rn.Next(0,255), rn.Next(0, 255), rn.Next(0, 255));
            onValueChanged?.Invoke(this,e);
        }
    }
}