This method retrieves whether or not the control is mirrored.
HRESULT get_Mirrored( BOOL *pfMirrored );
NOERROR indicates success. E_OUTOFMEMORY indicates that the system is out of memory.
Progress bars such as the visual volume indicator are usually drawn from left to right with a positive slope. The get_Mirrored method indicates that the control is drawn from right to left.