MFC wstringstream에서 폰트 속성 변경

CString CMarkupBuilder::TextBuilder(IN CString text,CString MarkTag,CString font

,COLORREF textColor ,COLORREF backGround , COLORREF panelColor ,CString vertical ,CString horizontal,CRect& textmargin)

{

wstringstream textheader;

text.Replace(L"<",L" <");

text.Replace(L">",L" >");

if(MarkTag.IsEmpty())

MarkTag = text;

textheader<<L"<TextBlock Tag='"<<MarkTag.GetBuffer() <<"' " <<"FontWeight='"<<font.GetBuffer()<<"' ";

if(backGround != RGB(255,255,255)) textheader<<"Background='"<<colorrefToHexString(backGround).GetBuffer()<<"' ";

if(textColor != RGB(255,255,255) ) textheader<<"Foreground='"<<colorrefToHexString(textColor).GetBuffer()<<"' ";

textheader<<"VerticalAlignment='"<<vertical.GetBuffer()<<"' "<<"HorizontalAlignment='"<<horizontal.GetBuffer()<<"' ";

textheader<<"Margin= '"<<textmargin.left<<","<<textmargin.top<<","<<textmargin.right<<","<<textmargin.bottom<<"'";

//textheader<<"FontSize='"<<FontSize<<"' ";

textheader<<">";

wstring wtextheader(textheader.str());

wstringstream borderheader;

borderheader<<L"<Border";;

if(panelColor != RGB(255,255,255)) borderheader<<" Background='"<<colorrefToHexString(panelColor).GetBuffer()<<"' ";

borderheader<<">";

wstring wborder(borderheader.str());

TCHAR * tMark =

_T("<StackPanel>")

_T("%s") //border

_T("%s") //textheader

_T("%s") //text

_T("</TextBlock>")

_T("</Border>")

_T("</StackPanel>");

CString strMark;

strMark.Format(tMark,wborder.c_str(),wtextheader.c_str(),text);

return strMark;

}

TextBuilder인자중 Font에 Bold라는 속성을 넣으면 잘 적용되는데

italic 속성도 같이 주고 싶거든요? 여기서 추가로 넣을 수 있는 방법이 있을까요?