PanelColor

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 testColor
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            comboBox1.DropDownStyle = ComboBoxStyle.DropDownList;
            comboBox1.SelectedIndex = 0;
        }
        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {


            switch (comboBox1.SelectedItem.ToString())
            {
                case "Black":
                    panel1.BackColor = Color.Black;
                    break;
                case "Red":
                    panel1.BackColor = Color.Red;
                    break;
                case "Green":
                    panel1.BackColor = Color.Green;
                    break;
                case "Blue":
                    panel1.BackColor = Color.Blue;
                    break;
                case "White":
                    panel1.BackColor = Color.White;
                    break;

            }

        }
    }
}