🚀 go-pugleaf

Albert

> In Windows 95, 98 & Me, I can send raw text directly to a Generic/Text
Only
> Windows printer using TPrinter but this doesn't work in XP & 2000.  Does
> anyone know of a solution to this?
>
> If I can't use TPrinter to print, does anyone know how to find out the
port
> name from a Windows printer?  I tried TPrinter::GetPrinter() but I got
junk
> except for ADevice.  I also tried GetPrinter() but I just got blank
strings
> for the strings in PRINTER_INFO_2.

You can print to a printer on any version of windows in RAW mode as below
(not tested). Note however that not all printers support RAW mode,
particularly the really cheap inkjets.

Peter


#define BIG_BUFFER (1024*32)

  int PrintFileRaw(char *cPrinterName, char *cFileName)
{
 int rVal = -1;
 char bigBuffer[BUG_BUFFER];
 HANDLE  hPrinter, hFile ;
  DOC_INFO_1 DocInfo ;
  DWORD nRead, nWritten, rVal = -1 ;
    if ( OpenPrinter(cPrinterName, &hPrinter, NULL) != 0 ) {
        DocInfo.pDocName = cFileName ;
      DocInfo.pOutputFile = NULL ;
      DocInfo.pDatatype = "RAW" ;
      if ( StartDocPrinter(hPrinter,1,(char *) &DocInfo) != 0 ) {
        if ( StartPagePrinter(hPrinter) != 0 ) {
          hFile =
CreateFile(cFileName,GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL
,NULL)   ;
          if (hFile != INVALID_HANDLE_VALUE ) {
            while (ReadFile(hFile, printBuffer, BIG_BUFFER, &nRead, NULL) &&
(nRead > 0))
              WritePrinter(hPrinter, printBuffer, nRead, &nWritten) ;
            rVal = 1 ;
            CloseHandle(hFile) ;
          }
          else
            rVal= -6 ;
          EndPagePrinter(hPrinter) ;  // 28/11/2001 10:16
        }
        else
          rVal = -4 ;
        EndDocPrinter(hPrinter);
      }
      else
        rVal= -3 ;
      ClosePrinter(hPrinter) ;
    }
    else
       rVal= -2 ;
  }
  return(rVal) ;
}