CFont - doubt in unicode

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C++

MFC

VisualC++

i have a file say polish file in unicode based on the characeter set if user selects japanase this strings should change in japanase . its work fine in ansi ... iam using following code :

if ( !lpszFacename || !lpszFacename[0] )
        lpszFacename = _T("Arial");

//based on the language 
  charcter set 

    Font.DeleteObject();

    return Font.CreateFont(nHeight, nWidth, 0, 0, nWeight, FALSE, FALSE, 0,
                                  byCharSet, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
                                  PROOF_QUALITY, DEFAULT_PITCH | FF_DONTCARE | TMPF_TRUETYPE,
                                  font name );

and invalidate

its not converting please let me know..any help