[Mono-bugs] [Bug 503064] New: (Open/Save) FileDialog size grows upon sequential show

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue May 12 08:55:08 EDT 2009


           Summary: (Open/Save) FileDialog size grows upon sequential show
    Classification: Mono
           Product: Mono: Class Libraries
           Version: SVN
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: alexander.shulgin at yessoftware.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Community User

In a sample application, if we show and close OpenFileDialog (or
SaveFileDialog) many times, the initial size of the dialog grows with each

Sample code:

using System;
using System.Windows.Forms;

namespace FileDialogSize
    class MainForm : Form
        public MainForm()
            button1 = new Button();
            button1.Text = "Click me";
            button1.Dock = DockStyle.Fill;
            button1.Click += delegate {
                //SaveFileDialog dlg = new SaveFileDialog();
                OpenFileDialog dlg = new OpenFileDialog();


        private Button button1;

    public class Program
        public static void Main()
            Application.Run(new MainForm());

Steps to reproduce:

1. Compile and run the above test code.
2. Click on the button.
3. Close the opened dialog by pressing Esc key.
4. Repeat 2,3 several times.

Actual results:

With each show the size of file dialog is growing in height substantially.

Expected results:

The size of file dialog shouldn't change between the shows.

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