求助。请问这么这么不能显示图像！

void CTuPiaoDlg::Huatu(void)
{   
    CRect rect;
    this->GetWindowRect(&rect);
    CPaintDC dcd(this);
    CDC dc;
    CBitmap bmp;
    dc.CreateCompatibleDC(&dcd);
    bmp.CreateCompatibleBitmap(&dcd,rect.Width(),rect.Height());
    dc.SelectObject(&bmp);
    dc.FillSolidRect(rect,dcd.GetBkColor());
    dc.DrawIcon(x,y,m_hIcon);
   
   
    //dcd.DrawIcon(x,y,m_hIcon);
    this->InvalidateRect(NULL);
    dcd.BitBlt(0,0,rect.Width(),rect.Height(),&dc,0,0,SRCCOPY);
    dc.DeleteDC();
    x+=5;

}