///返回 JOB_INFO_1 指针，和任务记录数 pLength

JOB_INFO_1* CControlPrinterDlg::ListJobsArray(LPTSTR szPrinterName,LPDWORD pLength) //CControlPrinterDlg::你的类名{        HANDLE hPrinter;	DWORD  dwNeeded,dwReturned,i;	JOB_INFO_1* pJobInfo;	if(!OpenPrinter(szPrinterName,&hPrinter,NULL)) //打开打印机	{		return NULL;	}	//	if(!EnumJobs(hPrinter,0,0xFFFFFFFF,1,NULL,0,&dwNeeded,&dwReturned))	{		if(GetLastError()!=ERROR_INSUFFICIENT_BUFFER)		{                     ClosePrinter(hPrinter);	             return NULL;		}	}	if((pJobInfo=(JOB_INFO_1*)malloc(dwNeeded))==NULL)	{		 ClosePrinter(hPrinter);		 return NULL;	}	if(!EnumJobs(hPrinter,0,0xFFFFFFFF,1,(LPBYTE)pJobInfo,dwNeeded,&dwNeeded,&dwReturned))	{		ClosePrinter(hPrinter);		free(pJobInfo);		return NULL;	}	ClosePrinter(hPrinter);	*pLength=dwReturned;	return pJobInfo;}

　　

调用：

void CControlPrinterDlg::OnSelchangePrinters() {	// TODO: Add your control notification handler code here	int nIndex=m_listbox.GetCurSel();	CString strPrinterName;	m_listBox_job.ResetContent();	if(nIndex!=CB_ERR)	{		m_listbox.GetText(nIndex,strPrinterName);		if(!strPrinterName.IsEmpty())		{			DWORD length;			JOB_INFO_1* jobs=ListJobsArray((LPTSTR)(LPCSTR)strPrinterName,&length);  //这里调用			if(jobs!=NULL)			{				for(int i=0;i