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641 lines
18 KiB
641 lines
18 KiB
/***************************** MODULE HEADER ********************************
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* qryprint.c
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* Implementes QueryPrint() function for spooler. Returns TRUE if
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* the nominated printer can print the job specified by the
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* DEVMODE structure passed in.
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*
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*
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* Copyright (C) 1992 Microsoft Corporation
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*
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****************************************************************************/
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#include "rasuipch.h"
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#pragma hdrstop("rasuipch.h")
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#include <regkeys.h>
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LPWSTR
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SelectFormNameFromDevMode(
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HANDLE hPrinter,
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PDEVMODEW pDevModeW,
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LPWSTR pFormName
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);
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#define DM_MATCH( dm, sp ) ((((sp) + 50) / 100 - dm) < 15 && (((sp) + 50) / 100 - dm) > -15)
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#define DM_PAPER_WL (DM_PAPERWIDTH | DM_PAPERLENGTH)
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/**************************** Function Header *******************************
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* DevQueryPrint
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* Determine whether this printer can print the job specified by the
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* DEVMODE structure passed in.
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*
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* RETURNS:
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* TRUE/FALSE, FALSE being a serious error, else TRUE. If there is
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* a reason for not printing, it is returned in *pdwResID, which is
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* cleared to 0 if can print.
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*
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* HISTORY:
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* 09:29 on Thu 09 Apr 1992 -by- Lindsay Harris [lindsayh]
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* Start.
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*
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****************************************************************************/
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LPWSTR
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SelectFormNameFromDevMode(
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HANDLE hPrinter,
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PDEVMODEW pDevModeW,
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LPWSTR pFormName
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)
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/*++
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Routine Description:
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This function pick the current form associated with current devmode and
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return a form name pointer
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Arguments:
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hPrinter - Handle to the printer object
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pDevModeW - Pointer to the unicode devmode for this printer
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FormName - Pointer to the formname to be filled
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Return Value:
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Either a pointer to the FormName passed in if we do found one form,
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otherwise it return NULL to signal a failue
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Author:
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21-Mar-1995 Tue 16:57:51 created -by- Daniel Chou (danielc)
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Revision History:
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--*/
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{
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DWORD cb;
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DWORD cRet;
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LPFORM_INFO_1 pFIBase;
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LPFORM_INFO_1 pFI;
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//
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// 1. If the DM_FORMNAME is turned on, then we want to check this bit first
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// because it only specific to the NT which using form. The form name
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// supposed set by any NT driver but not win31 or Win95
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//
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if ( (pDevModeW->dmFields & DM_FORMNAME)
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&& (!(pDevModeW->dmFields & (DM_PAPERSIZE |
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DM_PAPERLENGTH |
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DM_PAPERWIDTH) )) ) {
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wcscpy(pFormName, pDevModeW->dmFormName);
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return(pFormName);
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}
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//
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// For all other cases we need to get forms data base first, but we want
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// to set the form name to NULL so that we can check if we found one
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//
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cb =
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cRet = 0;
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pFIBase =
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pFI = NULL;
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if ((!EnumForms(hPrinter, 1, NULL, 0, &cb, &cRet)) &&
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(GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
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(pFIBase = (LPFORM_INFO_1)LocalAlloc(LPTR, cb)) &&
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(EnumForms(hPrinter, 1, (LPBYTE)pFIBase, cb, &cb, &cRet))) {
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//
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// 2. If user specified dmPaperSize then honor it, otherwise, it must
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// be a custom form, and we will check to see if it match one of
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// in the database
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//
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if ((pDevModeW->dmFields & DM_PAPERSIZE) &&
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(pDevModeW->dmPaperSize >= DMPAPER_FIRST) &&
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(pDevModeW->dmPaperSize <= (SHORT)cRet)) {
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//
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// We go the valid index now
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//
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pFI = pFIBase + (pDevModeW->dmPaperSize - DMPAPER_FIRST);
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} else if ((pDevModeW->dmFields & DM_PAPER_WL) == DM_PAPER_WL) {
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LPFORM_INFO_1 pFICur = pFIBase;
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while (cRet--) {
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if ((DM_MATCH(pDevModeW->dmPaperWidth, pFICur->Size.cx)) &&
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(DM_MATCH(pDevModeW->dmPaperLength, pFICur->Size.cy))) {
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//
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// We found the match which has discern size differences
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//
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pFI = pFICur;
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break;
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}
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pFICur++;
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}
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}
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}
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//
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// If we found the form then copy the name down, otherwise set the
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// formname to be NULL
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//
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if (pFI) {
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wcscpy(pFormName, pFI->pName);
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} else {
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*pFormName = L'\0';
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pFormName = NULL;
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}
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if (pFIBase) {
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LocalFree((HLOCAL)pFIBase);
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}
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return(pFormName);
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}
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BOOL
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DevQueryPrintEx(
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PDEVQUERYPRINT_INFO pDQPInfo
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)
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/*++
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Routine Description:
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Arguments:
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Return Value:
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Author:
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09-Feb-1996 Fri 11:57:38 created -by- Daniel Chou (danielc)
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Revision History:
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--*/
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{
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HANDLE hPrinter;
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DEVMODE *pDM;
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int iI; /* Loop index */
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DWORD cbNeeded; /* Count of bytes needed */
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DWORD dwType; /* Type of data requested from registry */
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BOOL bFound; /* Set when form name is matched */
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WCHAR awchBuf[ 128 ]; /* For form name from spooler */
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WCHAR FormName[32]; /* Form Name to test for */
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int iRemBuffSize = 0 ; /* Used size of the Buffer */
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WCHAR *pwchBuffPtr = NULL ; /* buffer Pointer */
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WCHAR *pwchHeapPtr = NULL ; /* Heap Pointer,Needed for Freeing */
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DWORD dwErrCode = 0; /* Error Code from GetPrinterData */
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DWORD ErrorID = 0;
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BOOL bCanPrint = TRUE;
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/*
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* First step is to turn the hPrinter into more detailed data
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* for this printer. Specifically we are interested in the
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* forms data, as we cannot print if the selected form is not
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* available.
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*/
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/* Enter the Critical section before doing any querying */
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EnterCriticalSection(&RasdduiCriticalSection);
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hPrinter = pDQPInfo->hPrinter;
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pDM = (DEVMODE *)pDQPInfo->pDevMode;
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/*
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* Scan through the printer data looking for a form name matching
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* that in the DEVMODE. We cannot print if the needed form is not
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* available in the printer.
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*/
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if (!SelectFormNameFromDevMode(hPrinter, pDM, FormName)) {
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RASUIDBGP(DEBUG_ERROR,("Error --Unable to retrieve form name from the DevMode\n") );
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ErrorID = IDS_NO_MEMORY;
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goto DevQueryPrintExit;
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}
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ErrorID = IDS_FORM_NOT_LOADED;
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if ( bNewkeys(hPrinter) )
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{
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dwType = REG_MULTI_SZ;
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if( ( dwErrCode = GetPrinterData( hPrinter, PP_TRAYFORMTABLE, &dwType,
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(BYTE *)pwchBuffPtr,0, &cbNeeded ) )
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!= ERROR_SUCCESS )
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{
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if( (dwErrCode != ERROR_INSUFFICIENT_BUFFER) &&
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(dwErrCode != ERROR_MORE_DATA) )
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{
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RASUIDBGP(DEBUG_ERROR,( "Rasddui!DevQueryPrint(Error):GetPrinterData(Trayforms First Call) fails: errcode = %ld\n",dwErrCode) );
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SetLastError(dwErrCode);
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ErrorID = IDS_NO_MEMORY;
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goto DevQueryPrintExit;
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}
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else if(!(pwchHeapPtr = pwchBuffPtr = (WCHAR *)HeapAlloc( hGlobalHeap, HEAP_ZERO_MEMORY, cbNeeded )) )
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{
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RASUIDBGP(DEBUG_ERROR,("Rasddui!DevQueryPrint(Error):HeapAlloc(Trayforms) failed\n") );
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ErrorID = IDS_NO_MEMORY;
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goto DevQueryPrintExit;
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}
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RASUIDBGP(DEBUG_TRACE_PP,("\nRasddui!DevQueryPrint:Size of buffer needed = %d\n",cbNeeded));
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if( ( dwErrCode = GetPrinterData( hPrinter, PP_TRAYFORMTABLE, &dwType, (BYTE *)pwchBuffPtr,
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cbNeeded, &cbNeeded ) ) != ERROR_SUCCESS )
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{
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RASUIDBGP(DEBUG_ERROR,( "Rasddui!DevQueryPrint(Error):GetPrinterData(Trayforms Second Call) fails: errcode = %ld\n",dwErrCode) );
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SetLastError(dwErrCode);
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ErrorID = IDS_NO_MEMORY;
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goto DevQueryPrintExit;
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}
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}
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Size of buffer read = %d\n",cbNeeded));
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/* iRemBuffSize is number of WCHAR */
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iRemBuffSize = cbNeeded / sizeof(WCHAR);
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for( iI = 0; iI < MAXBINS; ++iI )
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{
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WCHAR awchFormName[ MAXFORMNAMELEN ]; /* Form Name */
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WCHAR awchTrayName[ MAXPAPSRCNAMELEN ]; /* Local Buffer for Tray name */
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WCHAR awchSelectStr[ MAXSELSTRLEN ] ; /* Select String */
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ZeroMemory(awchFormName,sizeof(awchFormName) );
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ZeroMemory(awchTrayName,sizeof(awchTrayName) );
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ZeroMemory(awchSelectStr,sizeof(awchSelectStr) );
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if( iRemBuffSize)
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{
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RASUIDBGP(DEBUG_TRACE_PP,("\nRasddui!DevQueryPrint:PaperSrcName in buffer = %ws\n",pwchBuffPtr));
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vGetFromBuffer(awchTrayName,&pwchBuffPtr,&iRemBuffSize);
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved PaperSrcName = %ws\n",awchTrayName));
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:FormName in buffer = %ws\n",pwchBuffPtr));
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vGetFromBuffer(awchFormName,&pwchBuffPtr,&iRemBuffSize);
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved FormName = %ws\n",awchFormName));
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Select string in buffer = %ws\n",pwchBuffPtr));
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vGetFromBuffer(awchSelectStr,&pwchBuffPtr,&iRemBuffSize);
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved Select String is %ws\n",awchSelectStr));
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}
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else
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continue;
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/* Got a name, so scan the forms data for this one. */
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if( wcscmp( FormName, awchFormName ) == 0 )
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{
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/* Bingo! Remember it & skip the rest */
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ErrorID = 0;
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break;
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}
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}
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}
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else
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{
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dwType = REG_SZ; /* String data for form names */
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for( iI = 0; iI < MAXBINS; ++iI )
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{
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WCHAR awchName[ 32 ];
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wsprintf( awchName, PP_PAP_SRC, iI );
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awchBuf[ 0 ] = '\0';
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if( !GetPrinterData( hPrinter, awchName, &dwType, (BYTE *)awchBuf,
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sizeof( awchBuf ), &cbNeeded ) )
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{
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/* Got a name, so scan the forms data for this one. */
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if( wcscmp( FormName, awchBuf ) == 0 )
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{
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/* Bingo! Remember it & skip the rest */
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ErrorID = 0;
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break;
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}
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}
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}
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}
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DevQueryPrintExit:
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/* Free the Buffer */
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if( pwchHeapPtr )
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{
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HeapFree( hGlobalHeap, 0, (LPSTR)pwchHeapPtr );
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pwchHeapPtr = NULL;
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}
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if (ErrorID) {
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switch (ErrorID) {
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case IDS_FORM_NOT_LOADED:
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DQPsprintf(hModule,
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pDQPInfo->pszErrorStr,
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pDQPInfo->cchErrorStr,
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&(pDQPInfo->cchNeeded),
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L"<%s> %!",
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FormName,
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IDS_FORM_NOT_LOADED);
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break;
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case IDS_NO_MEMORY:
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DQPsprintf(hModule,
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pDQPInfo->pszErrorStr,
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pDQPInfo->cchErrorStr,
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&(pDQPInfo->cchNeeded),
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L"%!",
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ErrorID);
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break;
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}
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}
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/* If we can print this job, let the OEM decide whether it can print
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*/
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if (!ErrorID) {
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bCanPrint = OEMDevQueryPrintEx(pDQPInfo);
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} else {
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bCanPrint = FALSE;
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}
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/* Leave the Critical section before returning */
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LeaveCriticalSection(&RasdduiCriticalSection);
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return(bCanPrint);
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}
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#if 0
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BOOL
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DevQueryPrint( hPrinter, pDM, pdwResID )
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HANDLE hPrinter; /* The printer for which the test is desired */
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DEVMODE *pDM; /* The devmode against which to test */
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DWORD *pdwResID; /* Resource ID of reason for failure */
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{
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int iI; /* Loop index */
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DWORD cbNeeded; /* Count of bytes needed */
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DWORD dwType; /* Type of data requested from registry */
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BOOL bFound; /* Set when form name is matched */
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WCHAR awchBuf[ 128 ]; /* For form name from spooler */
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WCHAR FormName[32]; /* Form Name to test for */
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int iRemBuffSize = 0 ; /* Used size of the Buffer */
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WCHAR * pwchBuffPtr = NULL ; /* buffer Pointer */
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WCHAR * pwchHeapPtr = NULL ; /* Heap Pointer,Needed for Freeing */
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DWORD dwErrCode = 0; /* Error Code from GetPrinterData */
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BOOL bRet = FALSE;
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*pdwResID = 0;
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/*
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* First step is to turn the hPrinter into more detailed data
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* for this printer. Specifically we are interested in the
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* forms data, as we cannot print if the selected form is not
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* available.
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*/
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/* Enter the Critical section before doing any querying */
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EnterCriticalSection(&RasdduiCriticalSection);
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/*
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* Scan through the printer data looking for a form name matching
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* that in the DEVMODE. We cannot print if the needed form is not
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* available in the printer.
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*/
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bFound = FALSE; /* None yet! */
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if (!SelectFormNameFromDevMode(hPrinter, pDM, FormName)) {
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RASUIDBGP(DEBUG_ERROR,("Error --Unable to retrieve form name from the DevMode\n") );
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goto DevQueryPrintExit;
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}
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if ( bNewkeys(hPrinter) )
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{
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dwType = REG_MULTI_SZ;
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if( ( dwErrCode = GetPrinterData( hPrinter, PP_TRAYFORMTABLE, &dwType,
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(BYTE *)pwchBuffPtr,0, &cbNeeded ) )
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!= ERROR_SUCCESS )
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{
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if( (dwErrCode != ERROR_INSUFFICIENT_BUFFER) &&
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(dwErrCode != ERROR_MORE_DATA) )
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{
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RASUIDBGP(DEBUG_ERROR,( "Rasddui!DevQueryPrint(Error):GetPrinterData(Trayforms First Call) fails: errcode = %ld\n",dwErrCode) );
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SetLastError(dwErrCode);
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goto DevQueryPrintExit;
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}
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else if(!(pwchHeapPtr = pwchBuffPtr = (WCHAR *)HeapAlloc( hGlobalHeap, HEAP_ZERO_MEMORY, cbNeeded )) )
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{
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RASUIDBGP(DEBUG_ERROR,("Rasddui!DevQueryPrint(Error):HeapAlloc(Trayforms) failed\n") );
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goto DevQueryPrintExit;
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}
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RASUIDBGP(DEBUG_TRACE_PP,("\nRasddui!DevQueryPrint:Size of buffer needed = %d\n",cbNeeded));
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if( ( dwErrCode = GetPrinterData( hPrinter, PP_TRAYFORMTABLE, &dwType, (BYTE *)pwchBuffPtr,
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cbNeeded, &cbNeeded ) ) != ERROR_SUCCESS )
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{
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RASUIDBGP(DEBUG_ERROR,( "Rasddui!DevQueryPrint(Error):GetPrinterData(Trayforms Second Call) fails: errcode = %ld\n",dwErrCode) );
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SetLastError(dwErrCode);
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goto DevQueryPrintExit;
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}
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}
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RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Size of buffer read = %d\n",cbNeeded));
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/* iRemBuffSize is number of WCHAR */
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iRemBuffSize = cbNeeded / sizeof(WCHAR);
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for( iI = 0; iI < MAXBINS; ++iI )
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{
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WCHAR awchFormName[ MAXFORMNAMELEN ]; /* Form Name */
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WCHAR awchTrayName[ MAXPAPSRCNAMELEN ]; /* Local Buffer for Tray name */
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WCHAR awchSelectStr[ MAXSELSTRLEN ] ; /* Select String */
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ZeroMemory(awchFormName,sizeof(awchFormName) );
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ZeroMemory(awchTrayName,sizeof(awchTrayName) );
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ZeroMemory(awchSelectStr,sizeof(awchSelectStr) );
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if( iRemBuffSize)
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{
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|
|
RASUIDBGP(DEBUG_TRACE_PP,("\nRasddui!DevQueryPrint:PaperSrcName in buffer = %ws\n",pwchBuffPtr));
|
|
vGetFromBuffer(awchTrayName,&pwchBuffPtr,&iRemBuffSize);
|
|
RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved PaperSrcName = %ws\n",awchTrayName));
|
|
|
|
RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:FormName in buffer = %ws\n",pwchBuffPtr));
|
|
vGetFromBuffer(awchFormName,&pwchBuffPtr,&iRemBuffSize);
|
|
RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved FormName = %ws\n",awchFormName));
|
|
|
|
RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Select string in buffer = %ws\n",pwchBuffPtr));
|
|
vGetFromBuffer(awchSelectStr,&pwchBuffPtr,&iRemBuffSize);
|
|
RASUIDBGP(DEBUG_TRACE_PP,("Rasddui!DevQueryPrint:Retrieved Select String is %ws\n",awchSelectStr));
|
|
|
|
}
|
|
else
|
|
continue;
|
|
|
|
/* Got a name, so scan the forms data for this one. */
|
|
|
|
if( wcscmp( FormName, awchFormName ) == 0 )
|
|
{
|
|
/* Bingo! Remember it & skip the rest */
|
|
bFound = TRUE;
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
dwType = REG_SZ; /* String data for form names */
|
|
for( iI = 0; iI < MAXBINS; ++iI )
|
|
{
|
|
WCHAR awchName[ 32 ];
|
|
|
|
wsprintf( awchName, PP_PAP_SRC, iI );
|
|
|
|
awchBuf[ 0 ] = '\0';
|
|
|
|
if( !GetPrinterData( hPrinter, awchName, &dwType, (BYTE *)awchBuf,
|
|
sizeof( awchBuf ), &cbNeeded ) )
|
|
{
|
|
/* Got a name, so scan the forms data for this one. */
|
|
|
|
if( wcscmp( FormName, awchBuf ) == 0 )
|
|
{
|
|
/* Bingo! Remember it & skip the rest */
|
|
bFound = TRUE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if( !bFound )
|
|
{
|
|
/* Set the error code to point to resource ID of string */
|
|
*pdwResID = ER_NO_FORM;
|
|
|
|
}
|
|
|
|
bRet = TRUE;
|
|
|
|
DevQueryPrintExit:
|
|
|
|
/* Free the Buffer */
|
|
if( pwchHeapPtr )
|
|
{
|
|
HeapFree( hGlobalHeap, 0, (LPSTR)pwchHeapPtr );
|
|
pwchHeapPtr = NULL;
|
|
}
|
|
|
|
/* Leave the Critical section before returning */
|
|
|
|
LeaveCriticalSection(&RasdduiCriticalSection);
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
#endif
|