Для ясности (компилируется без ошибок):
| Код |
#include <windows.h>
#include <fstream>
using std::ofstream;
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
PRINTER_INFO_2 *Pr;
DWORD byteNeed = 0,prCount=0;//Кол-во необходимых байт, количество принтеров
//Делаем первый вызов с буфером NULL, чтоб узнать нужный размер буфера
JOB_INFO_1 *pInfoPrinter;
DWORD m_NonberJob, byteNeed1 = 0, byteUsed;//Кол-во необходимых байт, количество принтеров
//ADDJOB_INFO_1 *pAddJob;
DWORD byteNeed2 = 0;
EnumPrinters(PRINTER_ENUM_CONNECTIONS|PRINTER_ENUM_LOCAL, NULL, 2, NULL, 0, &byteNeed,&prCount);
//Создаем буфер
Pr = new PRINTER_INFO_2 [byteNeed];
//Делаем второй вызов уже с нужным буфером
if(!EnumPrinters(PRINTER_ENUM_CONNECTIONS|PRINTER_ENUM_LOCAL, NULL, 2, (LPBYTE)Pr, byteNeed,&byteNeed,&prCount))
{
MessageBox(NULL, "Error", "Принтер", MB_OK);
}
//LPCTSTR m_PrinterNane;
ofstream out;
out.open("1.txt");
HANDLE hHandlePrinter=NULL;
HANDLE hSignal=NULL;
DWORD dwRet;
int i;
for (i=0; i<(int)prCount; i++)
{
if( Pr[i].Attributes != PRINTER_ATTRIBUTE_LOCAL )
{
/* out << (char *) Pr[i].pPortName << '\n';
out << (char *) Pr[i].pPrinterName << '\n';
out << '\n'<< '\n'<< '\n'<< '\n'<< '\n';*/
if (!strcmp(Pr[i].pPrinterName, "HP Deskjet F300 series") )
{
if ( OpenPrinter(Pr[i].pPrinterName, &hHandlePrinter, NULL))
{
//hSignal = FindFirstPrinterChangeNotification( hHandlePrinter, PRINTER_CHANGE_WRITE_JOB, NULL, NULL);
//if (hSignal != INVALID_HANDLE_VALUE )
{
// dwRet = WaitForSingleObject( hSignal, INFINITE);
// if (dwRet == WAIT_FAILED ) MessageBox(NULL, "Error", "Error", NULL);
// else
{
while (1)
{
Sleep(10);
if (!GetPrinter(hHandlePrinter, 2, (LPBYTE)Pr, byteNeed, &prCount))
{
MessageBox(NULL, "Error GetPrinter","Error", MB_OK);
}
//EnumJobs(hHandlePrinter, 0, Pr->cJobs, 1, NULL, 0,&byteNeed1, &m_NonberJob);
//int t = GetLastError();
pInfoPrinter = new JOB_INFO_1[100];
if (!EnumJobs(hHandlePrinter, 0, Pr->cJobs, 1, (LPBYTE)pInfoPrinter, 1000,&byteNeed1, &m_NonberJob))
{
MessageBox(NULL, "Error EnumJobs","Error", MB_OK);
}
if (pInfoPrinter->Status == JOB_STATUS_PRINTING)
{
out << (char *)pInfoPrinter->pPrinterName ;
}
delete pInfoPrinter;
}
}
}
FindClosePrinterChangeNotification(hSignal);
}
ClosePrinter(hHandlePrinter);
}
}
}
delete Pr;
//delete pAddJob;
return 0;
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