= ....; }

E Dyot wrote: Now, the problem I have is, *how* do I pass the data to - and to *which* routine - in order to paint, say, a box on the screen, using that data? Handle the OnDraw function in your CView based class. From OnDraw, you can call GetDocument() to retrieve a pointer to your document. CMyView::OnDraw(CDC* pDC) { // Grab the doc CMyDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // Get the doc data pDoc->GetDataUsedToDrawStuff(); // You can use clipping functions to help eliminate unnecessary drawing if (pDC->RectVisible(blah)) // Draw as you see fit using the various CDC GDI/drawing functions pDC->SelectObject(brush/font/pen); pDC->FrameRect(blah); pDC->TextOut(blah); etc... } :suss: Pssst. You see that little light on your monitor? That's actually a government installed spy camera. Smile and wave to big brother!