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Dragable Listbox(not list Item)

Dragable Listbox(not list Item)

Priya M

9y802.NET

on Page loadinig .I was dynamically added multiple listbox with data.

Now i want to drag selected listbox from one position to other for comparing with each other.

i searched more sites but they drag listbox item.and i want to drag selected listbox.

plz give me solution.

1 Reply

Know the answer? Post it — somebody with the same question will find it here.

Rajkiran Swain9y ago
Accepted answer
1. public partial class Form1 : Form
2. {
3. public Form1()
4. {
5. InitializeComponent();
6. this.listBox1.AllowDrop = true;
7. }
9. private void button1_Click(object sender, EventArgs e)
10. {
11. for (int i = 0; i <= 20; i++)
12. {
13. this.listBox1.Items.Add(DateTime.Now.AddDays(i));
14. }
15. }
17. private void listBox1_MouseDown(object sender, MouseEventArgs e)
18. {
19. if (this.listBox1.SelectedItem == null) return;
20. this.listBox1.DoDragDrop(this.listBox1.SelectedItem, DragDropEffects.Move);
21. }
23. private void listBox1_DragOver(object sender, DragEventArgs e)
24. {
25. e.Effect = DragDropEffects.Move;
26. }
28. private void listBox1_DragDrop(object sender, DragEventArgs e)
29. {
30. Point point = listBox1.PointToClient(new Point(e.X, e.Y));
31. int index = this.listBox1.IndexFromPoint(point);
32. if (index < 0) index = this.listBox1.Items.Count-1;
33. object data = e.Data.GetData(typeof(DateTime));
34. this.listBox1.Items.Remove(data);
35. this.listBox1.Items.Insert(index, data);
36. }
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