class CPrtPreviewViewport
This class implements a print preview viewport. It renders the IPrintable object contained by the model onto a page.
Defined in: PrintPreviewViewport.h
virtual CSize GetVirtualSize() const
Get the total virtual size in logical units
CSize GetPaperSize() const
Get width and height of printed page in logical units.
CRect GetPrinterMargins() const
Get page margins in logical units.
virtual CSize GetPreviewPageOffset() const
Get minimum margins around page display area.
CRect GetPageBounds(const int nPageNo) const
Get bounds of a given page in logical units.
virtual void CenterPreviewPage()
Set logical origin so that virtual bounds are centered in viewport.
virtual void Draw(CDC* pDC)
Render to viewport to a device context.
virtual void DrawPage(CDC* pDC, const int nPageNo)
Render a given page to a device context.
virtual void DrawBackground(CDC* pDC)
Fill the viewport background.
virtual void OnInitialUpdate()
Called by framework before viewport is displayed.
virtual void OnUpdate(ISubject* pSubject, IMessage* pMsg)
Called when the model is changed.