C#winform多选框代码

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 多选
{
    public partial class Form1 : Form
    {
        string xueLI1;
        string nengLi1;
        string jingYan1;
        string checkBox11;
        public Form1()
        {
            InitializeComponent();
        }

        private void nengLi_CheckedChanged(object sender, EventArgs e)
        {
            if (nengLi.Checked == true) { nengLi1 = "有能力。\n"; }
            else { nengLi1 = ""; }
        }

        private void jingYan_CheckedChanged(object sender, EventArgs e)
        {
            if (jingYan .Checked == true) { jingYan1= "有经验。\n"; }
            else { jingYan1 = ""; }
        }

        private void xueLi_CheckedChanged(object sender, EventArgs e)
        {
            if (xueLi.Checked == true) { xueLI1 = "有学历。\n"; }
            else { xueLI1 = ""; }
        }

        private void queDing_Click(object sender, EventArgs e)
        {
            MessageBox.Show("我"+xueLI1+nengLi1+jingYan1+ checkBox11);
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            if (checkBox1.Checked == true) { checkBox11 = "测试。\n"; }
            else { checkBox11 = ""; }
        }
    }
}

运行结果: