设置单文档窗体黑色背景色，并输出红色的文字

void C***View::OnPaint()
{
try{
CPaintDC dc(this); // device context for painting

CRect rt;
GetClientRect(&rt);

int nWidth = rt.Width();
int nHeight = rt.Height();

CDC MemDC;
CBitmap MemBitmap;

MemDC.CreateCompatibleDC(NULL);
MemBitmap.CreateCompatibleBitmap(&dc,nWidth,nHeight);

CBitmap *pOldBit=MemDC.SelectObject(&MemBitmap);

MemDC.FillSolidRect(0,0,nWidth,nHeight,RGB(0,0,0));

/*CPen pen(PS_SOLID,2,RGB(0,0,128));
CPen *pOldPen = MemDC.SelectObject(&pen);

MemDC.SelectObject(pOldPen);*/

CFont font;
VERIFY(font.CreateFont(
48,
0,
0,
0,
700,
FALSE,
FALSE,
0,
GB2312_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS,
"幼圆"));

CFont* def_font = MemDC.SelectObject(&font);

MemDC.SetTextColor(RGB(255,0,0));

MemDC.TextOut(nWidth/2-250,nHeight/2,"服务器接口程序，请勿关闭！");

MemDC.SelectObject(def_font);

// Done with the font.  Delete the font object.
font.DeleteObject();

dc.BitBlt(0,0,nWidth,nHeight,&MemDC,0,0,SRCCOPY);

MemBitmap.DeleteObject();
MemDC.DeleteDC();

}catch (...){

}
}