case     WM_PAINT:
        hdc = BeginPaint (hwnd, &ps) ;
        hpen=CreatePen(PS_SOLID,5,RGB(255,0,0));
        hFont=CreateFont(25,25,000,0,FW_THIN,TRUE,FALSE,FALSE,CHINESEBIG5_CHARSET,OUT_CHARACTER_PRECIS,CLIP_CHARACTER_PRECIS,DEFAULT_QUALITY,FF_MODERN,"宋体");//创建字体
        SelectObject(hdc,hpen);
        SetTextColor(hdc,RGB(50,100,100));
         TextOut(hdc,480,100,TEXT("2012年12月"),8);
         hFont=CreateFont(20,10,000,0,FW_THIN,TRUE,FALSE,FALSE,CHINESEBIG5_CHARSET,OUT_CHARACTER_PRECIS,CLIP_CHARACTER_PRECIS,DEFAULT_QUALITY,FF_MODERN,"宋体");//创建字体
         
         SelectObject(hdc,hFont);
         SetTextColor(hdc,RGB(100,20,20)); //设置字体颜色
         TextOut(hdc,227,187,TEXT("星期一"),3);
         TextOut(hdc,362,187,TEXT("星期二"),3);
         TextOut(hdc,497,187,TEXT("星期三"),3);
         TextOut(hdc,632,187,TEXT("星期四"),3);
         TextOut(hdc,767,187,TEXT("星期五"),3);
         TextOut(hdc,902,187,TEXT("星期六"),3);
         TextOut(hdc,92,187,TEXT("星期日"),3);
        i=0;
为什么下面的星期可以改字体而上面的年月改不了呢？