RE: Vista Aero

Hi, David
below is a snippet of my code.about drawing scrollbar.
note: it can be displayed normally unless Aero in vista is enabled.
thanks once again and hope response.

//// a snippet of my code
void CMyScrollBar::OnPaint()
{
      CPaintDC dc(this);
      // draw scrollbar when receive the on_paint message
      DrawScrollBarDC(&dc);
}
//// draw scrollbar
void CMyScrollBar::DrawScrollBarDC(CDC *pDC)
{
      CRect clientRect;
      CDC memDC;
      CBitmap tempBmp,*oldBmp;
      GetClientRect(&clientRect);
      if(clientRect.Width()<=0) return;

      memDC.CreateCompatibleDC(pDC);
      
tempBmp.CreateCompatibleBitmap(pDC,rectClient.Width(),rectClient.Height());
      oldBmp = memDC.SelectObject(&tempBmp);
      memDC.SetStretchBltMode(COLORONCOLOR);
      memDC.FillSolidRect(rectClient,RGB(255,0,0));
      // draw the scrollbar image
      if(m_bReDraw) DrawScrollBar(&memDC);

      // i had copied the memDC to clipboard from here
      // and then paste to word document, the image is right
      // so why bitBlt can't blit the image normally?
      pDC->BitBlt(0,0,
rectClient.Width(),rectClient.Height(),&memDC,0,0,SRCCOPY);
      // dw is 0 anyway
      DWORD dw = GetLastError();

      memDC.SelectObject(oldBmp);
      tempBmp.DeleteObject();
      memDC.DeleteDC();
}
"John" wrote: