[Mono-bugs] [Bug 441896] New: TabControl SelectedIndexChanged Event Causes crash when the last tab is removed

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=441896


           Summary: TabControl SelectedIndexChanged Event Causes crash when
                    the last tab is removed
           Product: Mono: Runtime
           Version: 2.0
          Platform: i586
        OS/Version: Ubuntu
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: alisdair_little at yahoo.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Development


The SelectedIndexChanged event for a TabControl causes an "Object reference not
set to an instance of an object".

This bug is not present under Windows XP mono 2.0.

To reproduce;
Place a tab control onto a form and attach an event handler to the
SelectedIndexChanged event.

private void tabControl1_SelectedIndexChanged(object sender, EventArgs e) {
    if (tabControl1.TabCount > 0) {
        this.Text = tabControl1.SelectedTab.Text;
    }
}

I have also tried checking the TabPages.Count property but this produces the
same error.


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