Drag from listbox and drop in picturebox C#

CherRon McLemore

I am working on a GUI where I have a listbox and a picturebox. The items in the listbox are image file paths. What I want to do is drag the file path from the listbox into the picturebox. When I run the code, nothing happens. Can someone help? Here is the code:

private void listbox1_MouseDown()
{
   string imagePath = (string) this.ListBox1.SelectedItem;
}

private void picBox1_MouseUp()
{
   if(e.Button == MouseButtons.Left)
      {
            picBox1.Load(imagePath);
      }
  imagePath = "";
}

3 Replies

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Hirendra Sisodiya16y ago
Hello Cherron
Add this line on form load event
this.pictureBox1.AllowDrop = true;
check sample application for drag and drop with picturebox.

thanks
Please mark as answer if it helps
0
CherRon McLemore16y ago
This code does not work. When I try to drag from the list box I get nothing.
0
Hirendra Sisodiya16y ago
Hello CherRon
use this code:
private void listBox1_MouseDown(object sender, MouseEventArgs e)
{
listBox1.DoDragDrop(listBox1.SelectedItem, DragDropEffects.Copy)
}

and
private void picBox1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.Text))
e.Effect = DragDropEffects.Copy;
else
e.Effect = DragDropEffects.None;
}
private void picBox1_DragDrop(object sender, DragEventArgs e)
{
picBox1.Load(e.Data.GetData(DataFormats.Text).ToString());
}
thanks

Please mark as answer if it helps
0