void CWordPadApp::NotifyPrinterChanged(BOOL bUpdatePrinterSelection)
{
if (bUpdatePrinterSelection)
UpdatePrinterSelection(FALSE);
POSITION pos = m_listPrinterNotify.GetHeadPosition();
while (pos != NULL)
{
HWND hWnd = m_listPrinterNotify.GetNext(pos);
::SendMessage(hWnd, m_nPrinterChangedMsg, 0, 0);
}
}
BOOL CWinApp::GetPrinterDeviceDefaults( PRINTDLG *pPrintDlg )
/***********************************************************/
{
UpdatePrinterSelection( FALSE );
if( m_hDevMode == NULL || m_hDevNames == NULL ) {
return( FALSE );
}
pPrintDlg->hDevMode = m_hDevMode;
pPrintDlg->hDevNames = m_hDevNames;
return( TRUE );
}
BOOL CWinApp::GetPrinterDeviceDefaults(PRINTDLG* pPrintDlg)
{
UpdatePrinterSelection(m_hDevNames == NULL); //force default if no current
if (m_hDevNames == NULL)
return FALSE; // no printer defaults
pPrintDlg->hDevNames = m_hDevNames;
pPrintDlg->hDevMode = m_hDevMode;
::GlobalUnlock(m_hDevNames);
::GlobalUnlock(m_hDevMode);
return TRUE;
}
int CWinApp::DoPrintDialog(CPrintDialog* pPD)
{
UpdatePrinterSelection(FALSE);
pPD->m_pd.hDevMode = m_hDevMode;
pPD->m_pd.hDevNames = m_hDevNames;
int nResponse = pPD->DoModal();
// if OK or Cancel is selected we need to update cached devMode/Names
while (nResponse != IDOK && nResponse != IDCANCEL)
{
switch (::CommDlgExtendedError())
{
// CommDlg cannot give these errors after NULLing these handles
case PDERR_PRINTERNOTFOUND:
case PDERR_DNDMMISMATCH:
case PDERR_DEFAULTDIFFERENT:
if (pPD->m_pd.hDevNames != NULL)
{
ASSERT(m_hDevNames == pPD->m_pd.hDevNames);
AfxGlobalFree(pPD->m_pd.hDevNames);
pPD->m_pd.hDevNames = NULL;
m_hDevNames = NULL;
}
if (pPD->m_pd.hDevMode)
{
ASSERT(m_hDevMode == pPD->m_pd.hDevMode);
AfxGlobalFree(pPD->m_pd.hDevMode);
pPD->m_pd.hDevMode = NULL;
m_hDevMode = NULL;
}
break;
default:
return nResponse; // do not update cached devMode/Names
}
nResponse = pPD->DoModal();
}
// refresh current CWinApp cache of printer device information
m_hDevMode = pPD->m_pd.hDevMode;
m_hDevNames = pPD->m_pd.hDevNames;
return nResponse;
}
