枚舉計(jì)算機(jī)的所有打印機(jī)

#include <winspool.h>
PRINTER_INFO_5* prninfo = NULL;
void CMFCApplication1Dlg::OnBnClickedButton8()
{
DWORD dwNeeded=0, dwReturned=0;
EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5, NULL, 0, &dwNeeded, &dwReturned);
prninfo = (PRINTER_INFO_5*)GlobalAlloc(GPTR, dwNeeded);
if (EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5, (LPBYTE)prninfo, dwNeeded,
&dwNeeded, &dwReturned))
{
for (DWORD i = 0; i < dwReturned; i++, prninfo++)
{
TRACE(_T("x = %s\n"), prninfo->pPrinterName);
TRACE(_T("x = %s\n"), prninfo->pPortName);
}
}
}2.設(shè)置默認(rèn)打印機(jī)
TCHAR szPrinterName[1024] = { 0 };
GetDlgItemText(IDC_EDIT1, szPrinterName, 1024);
BOOL ret = FALSE;
ret = SetDefaultPrinter(szPrinterName);
if (ret == FALSE)
AfxMessageBox(_T("設(shè)置默認(rèn)打印機(jī)失敗"));
else
AfxMessageBox(_T("設(shè)置默認(rèn)打印機(jī)成功"));3.啟動(dòng)打印機(jī)服務(wù)
SHELLEXECUTEINFO ShExecInfo = { 0 };
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = NULL;
ShExecInfo.lpFile = _T("cmd");
ShExecInfo.lpParameters = _T("/C net start spooler");
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_HIDE;
ShExecInfo.hInstApp = NULL;
ShellExecuteEx(&ShExecInfo);
WaitForSingleObject(ShExecInfo.hProcess, INFINITE);4.獲取指定打印機(jī)的所有紙張
TCHAR szPaperName[30000] = {0};
TCHAR str[650] = {0};
void CMFCApplication1Dlg::Printerdo1()
{
BYTE* pBuffer = NULL;
DWORD dwSize = 0;
DWORD dwNum = 0;
//獲得緩沖區(qū)大小
::EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5, pBuffer, dwSize, &dwSize, &dwNum);
pBuffer = new BYTE[dwSize];
//枚舉打印機(jī)
::EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5, pBuffer, dwSize, &dwSize, &dwNum);
if (dwNum != 0)
{
//獲得打印機(jī)信息
PRINTER_INFO_5* pPrinterInfo = (PRINTER_INFO_5*)pBuffer;
LPHANDLE phandle;
HANDLE handle;
handle = malloc(sizeof(HANDLE));
phandle = &handle;
PRINTER_DEFAULTS *printer_defaults;
printer_defaults = (PRINTER_DEFAULTS *)malloc(sizeof(PRINTER_DEFAULTS));
LPWSTR str_printername, str_portname, papername2;
//添加打印機(jī)名及端口
str_printername = pPrinterInfo->pPrinterName;
str_portname = pPrinterInfo->pPortName;
int nNeeded = 0;
nNeeded = DeviceCapabilities(str_printername, str_portname, DC_PAPERNAMES,
NULL, NULL);
DeviceCapabilities(str_printername, str_portname, DC_PAPERNAMES,
szPaperName,NULL);
for (int i = 0, j=0; i < nNeeded && szPaperName[j] != 0;)
{
wmemcpy_s(str, 64, (LPCWSTR)(&szPaperName)+j,64);
m_ListPrinter.AddString(str);
TRACE(_T("%s\n"), str);
j += 64;
}
}
}5.獲取所有紙張的尺寸
CPoint pt[107]; DeviceCapabilities(str_printername, str_printername, DC_PAPERSIZE, (LPWSTR)&pt, NULL);
6.獲取默認(rèn)打印機(jī)的默認(rèn)紙型和大小
void CMFCApplication1Dlg::OnBnClickedButton13()
{
// TODO: 在此添加控件通知處理程序代碼
PRINTDLG FAR * pPrintDlg = new PRINTDLG;
//獲取當(dāng)前打印機(jī)的設(shè)置
if (AfxGetApp()->GetPrinterDeviceDefaults(pPrintDlg))
{
//獲取打印機(jī)的兩個(gè)設(shè)置信息結(jié)構(gòu)
DEVNAMES FAR*lpDevNames=(DEVNAMES FAR *)::GlobalLock(pPrintDlg->hDevNames);
DEVMODE FAR*lpDevMode =(DEVMODE FAR *)::GlobalLock(pPrintDlg->hDevMode);
//獲取相關(guān)信息:驅(qū)動(dòng)服務(wù)名,打印機(jī)名,端口號(hào)
CString szDriver((LPTSTR)lpDevNames +lpDevNames->wDriverOffset);
CString szDevice((LPTSTR)lpDevNames +lpDevNames->wDeviceOffset);
CString szOutput((LPTSTR)lpDevNames +lpDevNames->wOutputOffset);
HANDLE hPrinter;
::OpenPrinter((LPWSTR)(LPCWSTR)szDevice, &hPrinter, NULL);
::DocumentProperties(NULL,hPrinter,(LPWSTR)(LPCWSTR)szDevice,lpDevMode,
lpDevMode, DM_IN_BUFFER | DM_OUT_BUFFER);
// 結(jié)構(gòu)解鎖
::GlobalUnlock(pPrintDlg->hDevNames);
::GlobalUnlock(pPrintDlg->hDevMode);
}
delete pPrintDlg;
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