[Mono-bugs] [Bug 342358] New: MenuStrip: NullReferenceException in RefreshItems

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Nov 16 13:47:08 EST 2007


           Summary: MenuStrip: NullReferenceException in RefreshItems
           Product: Mono: Class Libraries
           Version: 1.2.6
          Platform: Other
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at ximian.com
        ReportedBy: gert.driesen at pandora.be
         QAContact: mono-bugs at ximian.com
          Found By: ---

Running the code below results in the following exception:

Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
  at System.Windows.Forms.MenuStrip.RefreshMdiItems () [0x00000]
  at System.Windows.Forms.MenuStrip.set_MdiWindowListItem
ToolStripMenuItem value) [0x00000]
  at (wrapper remoting-invoke-with-check)
WindowListItem (System.Windows.Forms.ToolStripMenuItem)
  at Program.Main () [0x00000]


using System.Windows.Forms;

class Program
        static void Main ()
                Form f = new Form ();
                MenuStrip ms = new MenuStrip ();
                f.MainMenuStrip = ms;
                f.Controls.Add (ms);
                ms.MdiWindowListItem = new ToolStripMenuItem ("Window");

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