HOWTO: How to Print a Single Line Without Formfeed

   // The Abort Procedure for printing (a generic AbortProc)
   // This procedure needs to listed be in the Exports section
   //    of the .def file
   BOOL CALLBACK AbortProc( HDC hDC, int Error )
   {
     MSG msg;

    while(PeekMessage(&msg, NULL, 0, 0, TRUE))
    {
       TranslateMessage(&msg);
       DispatchMessage(&msg);
     }
     return TRUE;
   }

   // The function that prints one line without formfeed
   BOOL PrintLineNow( char *pData, WORD cbBytes )
   {
     #define   LINEBUFFER_LENGTH 80 //or dynamically alloc enough space
     HDC       hDC;
     char      pOutput[LINEBUFFER_LENGTH+sizeof(WORD)];
     DOCINFO   di;
     ABORTPROC lpfnAbortProc;

     // Buffer size is LINEBUFFER_LENGTH bytes
     if( cbBytes > LINEBUFFER_LENGTH )
        return FALSE;

     // Get the DC using the RAW.DRV driver
     if( (hDC = CreateDC( "RAW", NULL, "LPT1", NULL ) ) == NULL )
       return FALSE;

     // Set up an Abort Procedure
     if((lpfnAbortProc = MakeProcInstance(AbortProc, hInst)) == NULL)
       {
         DeleteDC( hDC );
         return FALSE;
       }
     if( SetAbortProc( hDC, lpfnAbortProc ) <= 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // Start a Document
     di.cbSize = sizeof( DOCINFO );
     di.lpszDocName = "MyDoc";
     di.lpszOutput = NULL;
     if( StartDoc( hDC, &di ) <= 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // The start of a page
     if( StartPage( hDC ) <= 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // Put data in the buffer and send to the printer
     *(WORD *)pOutput = cbBytes;
     memcpy( &(pOutput[sizeof(WORD)]), pData, cbBytes );
     if( Escape( hDC, PASSTHROUGH, 0, pOutput, NULL ) <= 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // The end of the page
     if( EndPage( hDC ) < 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // End the Document
     if( EndDoc( hDC ) < 0 )
       {
         DeleteDC( hDC );
         FreeProcInstance( lpfnAbortProc );
         return FALSE;
       }

     // Clean up
     DeleteDC( hDC );
     FreeProcInstance( lpfnAbortProc );
     return TRUE;   // Success
   }