C++ (Cpp) CWinApp::DoPrintDialog Examples

Example #1

File: viewprnt.cpp Project: pixelspark/corespark

BOOL CView::DoPreparePrinting(CPrintInfo* pInfo)
{
	ASSERT(pInfo != NULL);
	ASSERT(pInfo->m_pPD != NULL);

	if (pInfo->m_pPD->m_pd.nMinPage > pInfo->m_pPD->m_pd.nMaxPage)
		pInfo->m_pPD->m_pd.nMaxPage = pInfo->m_pPD->m_pd.nMinPage;

	// don't prompt the user if we're doing print preview, printing directly,
	// or printing via IPrint and have been instructed not to ask

	CWinApp* pApp = AfxGetApp();
	if (pInfo->m_bPreview || pInfo->m_bDirect ||
		(pInfo->m_bDocObject && !(pInfo->m_dwFlags & PRINTFLAG_PROMPTUSER)))
	{
		if (pInfo->m_pPD->m_pd.hDC == NULL)
		{
			// if no printer set then, get default printer DC and create DC without calling
			//   print dialog.
			if (!pApp->GetPrinterDeviceDefaults(&pInfo->m_pPD->m_pd))
			{
				// bring up dialog to alert the user they need to install a printer.
				if (!pInfo->m_bDocObject || (pInfo->m_dwFlags & PRINTFLAG_MAYBOTHERUSER))
					if (pApp->DoPrintDialog(pInfo->m_pPD) != IDOK)
						return FALSE;
			}

			if (pInfo->m_pPD->m_pd.hDC == NULL)
			{
				// call CreatePrinterDC if DC was not created by above
				if (pInfo->m_pPD->CreatePrinterDC() == NULL)
					return FALSE;
			}
		}

		// set up From and To page range from Min and Max
		pInfo->m_pPD->m_pd.nFromPage = (WORD)pInfo->GetMinPage();
		pInfo->m_pPD->m_pd.nToPage = (WORD)pInfo->GetMaxPage();
	}
	else
	{
		// otherwise, bring up the print dialog and allow user to change things
		// preset From-To range same as Min-Max range
		pInfo->m_pPD->m_pd.nFromPage = (WORD)pInfo->GetMinPage();
		pInfo->m_pPD->m_pd.nToPage = (WORD)pInfo->GetMaxPage();

		if (pApp->DoPrintDialog(pInfo->m_pPD) != IDOK)
			return FALSE;       // do not print
	}

	ASSERT(pInfo->m_pPD != NULL);
	ASSERT(pInfo->m_pPD->m_pd.hDC != NULL);
	if (pInfo->m_pPD->m_pd.hDC == NULL)
		return FALSE;

	pInfo->m_nNumPreviewPages = pApp->m_nNumPreviewPages;
	VERIFY(pInfo->m_strPageDesc.LoadString(AFX_IDS_PREVIEWPAGEDESC));
	return TRUE;
}