How to add contents on directory into a ListBox in C#

Question

I am trying to grab the contents of a directory and display each one, on a seperate row of ListBox, the code I have so far is:

private void button10_Click(object sender, EventArgs e)
{
    string[] filePaths = Directory.GetFiles(@"folder");
    foreach (string path in filePaths)
    {
        listBox2.Items.AddRange(path + Environment.NewLine);
    }
}

Note to my answer.You are iterating through the collection.Every path is a single item so you need to call Add(path),not AddRange() which adds an array to the list items.You could use AddRange for the string[] filePaths array. — , Jun 26 '11 at 19:27

score 1 · Answer 1 · edited Jun 26 '11 at 19:33

1

You should use Add,not AddRange.

edited Jun 26 '11 at 19:33

Akram Shahda

14,655
4
45
65

answered Jun 26 '11 at 19:25

score 0 · Answer 2 · answered Jun 26 '11 at 19:26

Your code is almost correct; use Add instead of AddRange, and remove the Environment.NewLine.

There are other possible approaches:

AddRange is used to add multiple items at once. So you could do that instead of the loop:
```
listBox2.Items.AddRange(filePaths);
```
You could also use data binding:
```
listBox2.DataSource = filePaths;
```

score 0 · Answer 3 · answered Jun 26 '11 at 19:27

0

Use the following:

listBox2.Items.Add(path);

Or the following:

string[] filePaths = Directory.GetFiles(@"folder");
listBox2.Items.AddRange(filePaths);

answered Jun 26 '11 at 19:27

Akram Shahda

14,655
4
45
65

score 0 · Answer 4 · edited May 23 '17 at 10:33

0

I can suggest to you this answer: How to implement glob in C#

edited May 23 '17 at 10:33

Community

1
1

answered Jun 26 '11 at 19:27

Sebastiano Merlino

1,273
12
23

How is it related to the question? – Thomas Levesque Jun 26 '11 at 19:28
It's the same question, using Glob technique you can lists all directories or files and put them to the container you want. – Sebastiano Merlino Jun 26 '11 at 21:06

How to add contents on directory into a ListBox in C#

4 Answers4