多选combox控件的制作

using System;
2

using System.Collections.Generic;
3

using System.ComponentModel;
4

using System.Drawing;
5

using System.Data;
6

using System.Text;
7

using System.Windows.Forms;
8

namespace MyMultifyCombox
10

{
11

public partial class MulCombox : UserControl
12

{
13

private bool isVis = false;
14

private List<String> insSet = new List<string>();
15

public List<String> InsSet
16

{
17

get { return insSet; }
18

set
19

{
20

insSet = value;
21

ProductCmdList();
22

}
23

}
25

public MulCombox()
26

{
27

InitializeComponent();
28

cmdList.Height = 0;
29

}
30

public void ProductCmdList()
31

{
32

cmdList.Items.Clear();
33

for (int i = 0; i < InsSet.Count; i++)
34

{
35

cmdList.Items.Add(InsSet[i]);
36

}
37

cmdList.Height = 74;//当选项超过一定数目出现滚动条
38

}
39

private void button1_Click(object sender, EventArgs e)
41

{
42

string txt = String.Empty;
43

isVis = !isVis;
44

cmdList.Visible = isVis;
45

if (isVis == false)
46

{
47

this.Height = 26;//防止挡住其它控件
48

for (int i = 0; i < cmdList.CheckedItems.Count; i++)
49

{
50

txt = txt + cmdList.CheckedItems[i] + ",";
51

}
52

tbIns.Clear();
53

if (txt.Length > 0)
54

{
55

tbIns.Text = txt.Remove(txt.Length - 1);
56

}
57

}
58

else
59

{
60

this.Height = 100;
61

}
62

}
64

private void cmdList_SelectedIndexChanged(object sender, EventArgs e)
66

{
67

string txt = String.Empty;
68

for (int i = 0; i < cmdList.CheckedItems.Count; i++)
69

{
70

txt = txt + cmdList.CheckedItems[i] + ",";
71

}
72

tbIns.Clear();
73

if (txt.Length > 0)
74

{
75

tbIns.Text = txt.Remove(txt.Length - 1);
76

}
77

}
78

}
79

}

posted on 2008-10-18 15:31 天书阅读(633) 评论(0) 编辑收藏引用

常用链接

留言簿(5)

随笔档案

文章分类

文章档案

好友的Bolg

搜索

最新评论

阅读排行榜

评论排行榜

只有注册用户登录后才能发表评论。
【推荐】100%开源！大型工业跨平台软件C++源码提供，建模，组态！



网站导航: 博客园 IT新闻 BlogJava 知识库博问管理