Load Print propertie from C++/CLI

Load Print propertie from C++/CLI

void OnProperties()
{
HANDLE hPrinter = NULL;
int sizeOfDevMode = 0;
DWORD dwRet = 0;
DEVMODE *pDevMode1 = NULL;
PRINTER_DEFAULTS pd;
BOOL bFlag;
LONG lFlag;

System::Drawing::Printing::PrinterSettings^ printerSettings = gcnew System::Drawing::Printing::PrinterSettings();
std::string pDevice = m_CWPFDlgPrintPreview->GetPrinterName();
System::String^ pPrinterName = gcnew System::String( pDevice.c_str() );

printerSettings->PrinterName = pPrinterName;

HWND pHWND = NULL;
System::IntPtr pHandle = System::IntPtr::Zero;
pHWND = m_CWPFDlgPrintPreview->GetHWND();

if( pHWND )
pHandle = (System::IntPtr)pHWND;

//pd.DesiredAccess = PRINTER_ALL_ACCESS;
pd.DesiredAccess = PRINTER_ACCESS_USE;
System::IntPtr thPrinter = (System::IntPtr)hPrinter;

if( !OpenPrinter(pPrinterName, thPrinter, pd) )
return;


IntPtr hDevMode = printerSettings->GetHdevmode();
IntPtr pDevMode = GlobalLock(hDevMode);
Int32 fMode = 0;
int sizeNeeded = DocumentPropertiesSize(pHandle, thPrinter, pPrinterName, pDevMode, pDevMode, fMode);
IntPtr devModeData = Marshal::AllocHGlobal(sizeNeeded);

//fMode = DM_OUT_BUFFER;

fMode = DM_IN_BUFFER | DM_PROMPT | DM_OUT_BUFFER;

DocumentProperties(pHandle, thPrinter, pDevice, devModeData, pDevMode, fMode);
GlobalUnlock(hDevMode);
printerSettings->SetHdevmode(devModeData);
printerSettings->DefaultPageSettings->SetHdevmode(devModeData);
GlobalFree(hDevMode);
Marshal::FreeHGlobal(devModeData);

}