Double click on an item displayed in a ListBox

Question

My application displays a modal dialog box that contains a ListBox object. When the user double clicks on an item in this list box, the following event handler is called:

        private void listPlanes_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            Close();
        }

The code that displays the dialog box looks like this:

            using (SelectPlane dlg = new SelectPlane(planes))
            {
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    // do something with the selected item
                }
            }

How can I close the dialog so that I get a DialogResult.OK above?

Thanks for your help,
Mike

Answer 1

I'm assuming you have a form called SelectPlane, and on this form, you have some button that calls this.Close() to close the form.  In the handler, simply set this.DialogResult = DialogResult.OK before closing, and that will be returned from ShowDialog().

public partial class ShowPlane : Form
{
    // everything else
    private void OKButton_Click(object sender, EventArgs e)
    {
          this.DialogResult = DialogResult.OK;
          this.Close();
    }
}

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David Morton - http://blog.davemorton.net/ - @davidmmorton - ForumsBrowser, a WPF Forums Client

Answer 2

Don't call Close().  Simply assigning the DialogResult property is sufficient.

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Hans Passant.