using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace ToUpdateGasStationMis.练习
{
public partial class FrmDemo : Form
{
public FrmDemo()
{
InitializeComponent();
}
/// <summary>
/// 显示listBox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
this.listBox1.Items.Clear();
this.listBox1.Items.Add("软件部");
this.listBox1.Items.Add("测试部");
this.listBox1.Items.Add("采购部");
this.listBox1.Items.Add("销售部");
this.listBox1.Items.Add("人事部");
}
/// <summary>
/// 添加ListBox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
try
{
listBox1.Items.Insert(2, "插入值");
label1.Text = "已添加" + listBox1.Items.Count.ToString() + "记录条数";
}
catch (Exception ex )
{
}
}
/// <summary>
/// ListBox 点击弹窗
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
MessageBox.Show("您选择的部门是:"+listBox1.SelectedItem.ToString()+"位列第"+listBox1.SelectedIndex.ToString(),"信息提示!");
}
/// <summary>
/// 打开加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FrmDemo_Load(object sender, EventArgs e)
{
this.comboBox1.Items.Add("a1");
this.comboBox1.Items.Add("a2");
this.comboBox1.Items.Add("a3");
this.comboBox1.Items.Add("a4");
this.comboBox1.Items.Add("a5");
this.comboBox1.Items.Add("a6");
this.comboBox1.Items.Add("a7");
}
}
}
winfrom ListBox 使用 点击弹窗
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转载自blog.csdn.net/qq_36074218/article/details/103277149
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