一个功能更强大，性能更高的树控件DevComponents.AdvTree.AdvTree

原文链接：https://www.cnblogs.com/a7373773/archive/2009/07/27/1532236.html

一直在用DevComponents.DotNetBar2 控件
近来探索Add()和AddRange()的性能问题。
一样用极为不专业不科学的方法，
比较DevComponents.AdvTree.AdvTree 的Add()和AddRange()的性能

1private void buttonX1_Click(object sender, EventArgs e)
2        {
3            TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks);
4
5            advTree1.Nodes.Clear();
6
7            for (int i = 0; i < integerInput1.Value; i++)
8            {
9                Node node = new Node();
10                node.Text = "这是第：" + i.ToString() + "节点";
11
12                advTree1.Nodes.Add(node);
13            }
14
15            TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
16
17            TimeSpan ts = ts1.Subtract(ts2).Duration();
18
19            lbltiem1.Text = ts.Minutes.ToString() + "分钟" +
20                ts.Seconds.ToString() + "秒" +
21                ts.Milliseconds + "毫秒";
22        }
23
24        private void buttonX2_Click(object sender, EventArgs e)
25        {
26            TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks);
27
28            advTree1.Nodes.Clear();
29
30            Node[] nodes = new Node[integerInput1.Value];
31
32            for (int i = 0; i < integerInput1.Value; i++)
33            {
34                Node node = new Node();
35                node.Text = "这是第：" + i.ToString() + "节点";
36
37                nodes[i] = node;
38            }
39
40            advTree1.Nodes.AddRange(nodes);
41
42            TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
43
44            TimeSpan ts = ts1.Subtract(ts2).Duration();
45
46            lbltiem2.Text = ts.Minutes.ToString() + "分钟" +
47                ts.Seconds.ToString() + "秒" +
48                ts.Milliseconds + "毫秒";
49        }
50
51        private void buttonX3_Click(object sender, EventArgs e)
52        {
53            TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks);
54
55            advTree1.Nodes.Clear();
56
57            TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
58
59            TimeSpan ts = ts1.Subtract(ts2).Duration();
60
61            lbltiem3.Text = ts.Minutes.ToString() + "分钟" +
62                ts.Seconds.ToString() + "秒" +
63                ts.Milliseconds + "毫秒";
64        }
65
66        private void buttonX4_Click(object sender, EventArgs e)
67        {
68            TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks);
69
70            for (int i = advTree1.Nodes.Count - 1; i >= 0; i--)
71            {
72                advTree1.Nodes.RemoveAt(i);
73            }
74
75            TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
76
77            TimeSpan ts = ts1.Subtract(ts2).Duration();
78
79            lbltime4.Text = ts.Minutes.ToString() + "分钟" +
80                ts.Seconds.ToString() + "秒" +
81                ts.Milliseconds + "毫秒";
82        }