HRESULT SysFreeString( 
  BSTR  bstr  
);
 Frees a string allocated previously by SysAllocString, SysAllocStringByteLen, SysReAllocString, SysAllocStringLen, or SysReAllocStringLen.
None.
CStatBar::~CStatBar()
{
    SysFreeString(m_bstrMsg);
}
  Windows NT:  Use version 3.1 and later. 
  Windows: Use Windows 95 and later. 
  Header: Declared in oleauto.h.
  Import Library: Link with oleaut32.lib.