VC获取打印机与打印作业的状态

VC 获取打印机与打印作业的状态
#pragma comment(lib, "winspool.lib")
#include "stdafx.h"
#include <winspool.h>
#ifndef _MAX_PATH
#define _MAX_PATH 260
#endif
TCHAR m_tchPrinterMessage[_MAX_PATH];///< 打印结果的返回信息
 
/// 获取打印作业的状态
BOOL GetJobs(HANDLE hPrinter,
    JOB_INFO_2 **ppJobInfo,
    int *pcJobs,          
    DWORD *pStatus)       
{
 DWORD       cByteNeeded, nReturned, cByteUsed;
 JOB_INFO_2          *pJobStorage = NULL;
 PRINTER_INFO_2       *pPrinterInfo = NULL;
 
 if (!GetPrinter(hPrinter, 2, NULL, 0, &cByteNeeded))
 {
  DWORD dwErrorCode = ::GetLastError();
  if (dwErrorCode != ERROR_INSUFFICIENT_BUFFER)
   return FALSE;
 }
 pPrinterInfo = (PRINTER_INFO_2 *)malloc(cByteNeeded);
 if (!(pPrinterInfo))
 
  return FALSE;
 
 if (!GetPrinter(hPrinter,
  2,
  (LPBYTE)pPrinterInfo,
  cByteNeeded,
  &cByteUsed))
 {
 
  free(pPrinterInfo);
  pPrinterInfo = NULL;
  return FALSE;
 }
 
 if (!EnumJobs(hPrinter,
  0,
  pPrinterInfo->cJobs,
  2,
  NULL,
  0,
  (LPDWORD)&cByteNeeded,
  (LPDWORD)&nReturned))
 {
  if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
  {
   free(pPrinterInfo);
   pPrinterInfo = NULL;
   return FALSE;
  }
 }
 pJobStorage = (JOB_INFO_2 *)malloc(cByteNeeded);
 if (!pJobStorage)
 {
 
  free(pPrinterInfo);
  pPrinterInfo = NULL;
  return FALSE;
 }
 ZeroMemory(pJobStorage, cByteNeeded);
 
 if (!EnumJobs(hPrinter,
  0,
  pPrinterInfo->cJobs,
  2,
  (LPBYTE)pJobStorage,
  cByteNeeded,
  (LPDWORD)&cByteUsed,
  (LPDWORD)&nReturned))
 {
  free(pPrinterInfo);
  free(pJobStorage);
  pJobStorage = NULL;
  pPrinterInfo = NULL;
  return FALSE;
 }
 
 *pcJobs = nReturned;
 *pStatus = pPrinterInfo->Status;
 *ppJobInfo = pJobStorage;
 free(pPrinterInfo);
 return TRUE;
}
 
/// 检测打印机的状态
/// hPrinter表示打印机Handle
BOOL CheckPrinterStatus(HANDLE hPrinter)
{
 BOOL bResult = PRINT_NOT_EXIST;
 if(NULL == hPrinter)
 {
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机不存在！"));
  return bResult;
 }
 bResult = PRINT_FALSE;
 JOB_INFO_2  *pJobs;
 int         cJobs,i;
 DWORD       dwPrinterStatus;
 
 if (!GetJobs(hPrinter, &pJobs, &cJobs, &dwPrinterStatus))
 {
  _tcscpy(m_tchPrinterMessage,_TEXT("打印失败！"));
  return bResult;
 }
 //
 //if (dwPrinterStatus &
 // (PRINTER_STATUS_ERROR |     //打印出错
 // PRINTER_STATUS_PAPER_JAM |        //卡纸
 // PRINTER_STATUS_PAPER_OUT |
 // PRINTER_STATUS_PAPER_PROBLEM |   //打印纸出现问题
 // PRINTER_STATUS_OUTPUT_BIN_FULL |  //打印输出已满
 // PRINTER_STATUS_NOT_AVAILABLE |   //打印机不可用
 // PRINTER_STATUS_NO_TONER |    //没有墨粉
 // PRINTER_STATUS_OUT_OF_MEMORY |   //打印内存出错
 // PRINTER_STATUS_OFFLINE |    //未联机
 // PRINTER_STATUS_DOOR_OPEN))    //打印机的门是开的
 //{
 // free( pJobs );
 // _tcscpy(m_tchPrinterMessage,_TEXT("打印出错！"));
 // return bResult;
 //}
 /// 正在打印
 if(dwPrinterStatus & PRINTER_STATUS_PRINTING)
 {
  _tcscpy(m_tchPrinterMessage,_TEXT("正在打印..."));
  bResult = PRINT_GOING;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_PAUSED)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印暂停中..."));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_BUSY)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机繁忙，/n被临时占用"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_WAITING)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印等待中..."));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_SERVER_OFFLINE)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("未连接打印机服务器"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_ERROR)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印出错！"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_PAPER_JAM)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机卡纸"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_PAPER_OUT)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印纸位置不正确"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_PAPER_PROBLEM)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印纸出现问题"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_OUTPUT_BIN_FULL)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印输出已满"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_NOT_AVAILABLE)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机不可用"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_TONER_LOW)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机墨粉不足"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_NO_TONER)
 {
  free( pJobs );
  _tcscpy(m_tchPrinterMessage,_TEXT("打印机没有墨粉"));
  return bResult;
 }
 else if(dwPrinterStatus & PRINTER_STATUS_OUT_OF_MEMORY)
 {
  free( pJobs );
  _tcscpy

补充：软件开发 , Vc ,

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