CXTPControlComboBox in toolbar in pane

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   I have an app that has multiple panes, and each one has its own toolbar.  In my OnCreateClient routine for the pane, I create the combobox as such:

else if (pToolBar->GetBarID() == IDR_SIMZOOMBAR)

{

     if (lpCreateControl->nID == IDC_SIM_EDIT_MODE)

     {

            CXTPControlComboBox* pCombo = (CXTPControlComboBox*) CXTPControlComboBox::CreateObject();

            pCombo->SetDropDownListStyle(FALSE);

            pCombo->SetCaption(_T("Edit Mode"));

            pCombo->SetStyle(xtpComboLabel);

            pCombo->AddString(_T("test1"));

            pCombo->AddString(_T("test2"));

            pCombo->SetWidth(110);

            pCombo->SetCurSel(0);

            lpCreateControl->pControl = pCombo;

            return TRUE;

     }

When I start my app, drop the list down, then exit the program, I get an Unhandled Exception 0xC0000005: Access Violation.  It takes me to XTPCommandBar.cpp and says the error is on the first line of GetCommandBars.  this is equal to 0xfeeefeee.  Ideas on how to fix it?

CXTPCommandBars* CXTPCommandBar::GetCommandBars() const

{

     if (m_pCommandBars) return m_pCommandBars;

     if (GetParentCommandBar()) return GetParentCommandBar()->GetCommandBars();

     return 0;