[Mono-bugs] [Bug 387693] New: two Application.Run() loop does not finish after Form. Close()

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=387693

User atsushi at ximian.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=387693#c325033

           Summary: two Application.Run() loop does not finish after
                    Form.Close()
           Product: Mono: Class Libraries
           Version: SVN
          Platform: i586
        OS/Version: openSUSE 10.3
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: atsushi at ximian.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


The following code, based on #325033 but without Timer, exposes a bug inside
Application.Run() that the method keeps waiting for certain message:

--------
using System;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;

class MainForm : Form
{
        public MainForm ()
        {
                Load += new EventHandler (MainForm_Load);
        }

        static void Main ()
        {
                Application.Run (new MainForm ());
                //Application.Run (new SplashForm ());
        }

        void MainForm_Load (object sender, EventArgs e)
        {
                Thread t = new Thread (new ThreadStart (Run));
                t.IsBackground = true;
Console.WriteLine ("1: " + Thread.CurrentThread.GetHashCode ());
                t.Start ();
Console.WriteLine ("1-2: " + Thread.CurrentThread.GetHashCode ());
                t.Join ();
Console.WriteLine ("1-3: " + Thread.CurrentThread.GetHashCode ());

                Close ();
Console.WriteLine ("1-4: " + Thread.CurrentThread.GetHashCode ());
        }

        static void Run ()
        {
Console.WriteLine ("2: " + Thread.CurrentThread.GetHashCode ());
                Application.Run (new SplashForm ());
Console.WriteLine ("2-2: " + Thread.CurrentThread.GetHashCode ());
        }
}

class SplashForm : Form
{
        public SplashForm ()
        {
Button b = new Button ();
b.Click += delegate (object o, EventArgs e) {
        Button_Click (o, e);
};
Controls.Add (b);
        }

        void Button_Click (object sender, EventArgs e)
        {
                Close ();
Console.WriteLine ("4: " + Thread.CurrentThread.GetHashCode ());
        }
}

--------

It stops printing debug strings after "4: 2" (or something other than "2").


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