Opens the Print Preview window for the current document using either the default print preview template or a custom template.
HRESULT PrintPreview( ) const; 
HRESULT PrintPreview(
   LPCTSTR szPrintTemplate 
) const;
Parameters
- szPrintTemplate
Path to a print template. 
Return Value
Returns S_OK on success, or an error HRESULT on failure.
Remarks
This method sends the IDM_PRINTPREVIEW command ID to the WebBrowser control.
Requirements
Header: afxhtml.h