<span style="font-size:18px;"> private void button1_Click(object sender, EventArgs e)
{
listBox1.Items.Add("子项");//增加子项
listBox1.Height = listBox1.Height + 20;//增加高度
}</span>
<span style="font-size:18px;">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 WindowsFormsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
listBox1.Items.Add("子项");//增加子项
listBox1.Height = listBox1.Height + 20;//增加高度
}
}
}
</span>
<span style="font-size:18px;"> private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
{
MessageBox.Show("你单击了"+tabControl1.SelectedTab.Text
//取消单击的选项卡标题
+"它的索引是"+tabControl1.SelectedIndex.ToString());//取消单击的选项卡索引
}</span>
<span style="font-size:18px;">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 WindowsFormsApplication5
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
{
MessageBox.Show("你单击了"+tabControl1.SelectedTab.Text
//取消单击的选项卡标题
+"它的索引是"+tabControl1.SelectedIndex.ToString());//取消单击的选项卡索引
}
}
}
</span>
机械节能产品生产企业官网模板...
大气智能家居家具装修装饰类企业通用网站模板...
礼品公司网站模板
宽屏简约大气婚纱摄影影楼模板...
蓝白WAP手机综合医院类整站源码(独立后台)...苏ICP备2024110244号-2 苏公网安备32050702011978号 增值电信业务经营许可证编号:苏B2-20251499 | Copyright 2018 - 2025 源码网商城 (www.ymwmall.com) 版权所有