QQ好友列表控件源码实例（可做左侧折叠导航）

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Reflection;using _CUSTOM_CONTROLS._ChatListBox;namespace WindowsFormsForControlTest{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { button1.Text = "闪动"; button2.Text = "插入[离开]"; button3.Text = "大/小图标"; chatListBox1.Items.Clear(); Random rnd = new Random(); for (int i = 0; i < 10; i ) { ChatListItem item = new ChatListItem("Group " i); for (int j = 0; j < 10; j ) { ChatListSubItem subItem = new ChatListSubItem("NicName", "DisplayName" j, "Personal Message...!"); subItem.HeadImage = Image.FromFile("head/1 (" rnd.Next(0, 45) ").png"); subItem.Status = (ChatListSubItem.UserStatus)(j % 6); item.SubItems.AddAccordingToStatus(subItem); } item.SubItems.Sort(); chatListBox1.Items.Add(item); } ChatListItem itema = new ChatListItem("TEST"); for (int i = 0; i < 5; i ) { chatListBox1.Items.Add(itema); } chatListBox1.Items.Remove(itema); } private void button1_Click(object sender, EventArgs e) { chatListBox1.Items[0].SubItems[0].IsTwinkle = !chatListBox1.Items[0].SubItems[0].IsTwinkle; chatListBox1.Items[0].SubItems[1].IsTwinkle = !chatListBox1.Items[0].SubItems[1].IsTwinkle; } private void chatListBox1_MouseEnterHead(object sender, ChatListEventArgs e) { this.Text = e.MouseOnSubItem.DisplayName; } private void chatListBox1_MouseLeaveHead(object sender, ChatListEventArgs e) { this.Text = "Null"; } private void chatListBox1_DoubleClickSubItem(object sender, ChatListEventArgs e) { MessageBox.Show(e.SelectSubItem.DisplayName); } private void button2_Click(object sender, EventArgs e) { //AddAccordingToStatus根据状态自己插入到正确位置 //Add就是默认的添加 //当然也可以用Add添加 然后用SubItem.Sort()进行一个排序 chatListBox1.Items[0].SubItems.AddAccordingToStatus( new ChatListSubItem( 123, "nicname", "displayname", "personal message", ChatListSubItem.UserStatus.Away, new Bitmap("head/1 (0).png")) ); } private void button3_Click(object sender, EventArgs e) { if (chatListBox1.IconSizeMode == ChatListItemIcon.Large) chatListBox1.IconSizeMode = ChatListItemIcon.Small; else chatListBox1.IconSizeMode = ChatListItemIcon.Large; } }}