void CXTPControlCustom::DoPropExchange(CXTPPropExchange* pPX)
{
	CXTPControlButton::DoPropExchange(pPX);

	PX_Rect(pPX, _T("Borders"), m_rcBorders, CRect(0, 0, 0, 0));
	PX_Size(pPX, _T("ControlSize"), m_szControl, CSize(0, 0));
	PX_Enum(pPX, _T("VerticalOptions"), m_verticalOptions, xtpVerticalHide);

	if (pPX->GetSchema() > _XTP_SCHEMA_861)
	{
		PX_Int(pPX, _T("ControlId"), m_nControlID, 0);
	}

	if (pPX->IsLoading() && m_nControlID != 0)
	{
		CXTPCommandBars* pCommandBars = ((XTP_COMMANDBARS_PROPEXCHANGE_PARAM*)pPX->m_dwData)->pCommandBars;
		ASSERT(pCommandBars->IsKindOf(RUNTIME_CLASS(CXTPCommandBars)));
		ASSERT(pCommandBars && pCommandBars->GetSite());

		CWnd* pWnd = FindChildWindow(pCommandBars, m_nControlID);

		if (pWnd)
		{
			m_hwndControl = pWnd->GetSafeHwnd();
		}

	}
}