Re: Launching pdf from VC

From:
"Doug Harrison [MVP]" <dsh@mvps.org>
Newsgroups:
microsoft.public.vc.mfc
Date:
Fri, 08 Feb 2008 11:04:29 -0600
Message-ID:
<r32pq3lkjt98hplov0a0vtq574soevsghm@4ax.com>
On Fri, 8 Feb 2008 07:49:34 -0800 (PST), DBC User <dbcuser@gmail.com>
wrote:

I have a vc1.52 code and there I am trying to launch a PDF file. This
is the code I have

/* SYSTEM.C: This program uses
* system to TYPE its source file.
*/
#include <stdio.h>
#include <process.h>
void main( int argc, char *argv[] )
{
   char cmd[256];
   int i=0;
    for(i=0;i<argc;i++)
        printf("%d - %s\n", i, argv[i]);
    if (argc > 0)
   {
      system( argv[1] );

If invoked without arguments, argc == 1, and this will be a no-op.

   }
   else
   {
    printf("No help file to show. Please contact support");
   }
}

I run the program like the following

test.exe test.pdf

when I run it gives an error 'bad command or file name', but when I
type just the name test,pdf in the dos mode, it opens up the pdf
properly. What am I doing wrong here?


You're using VC 1.52, which is the last 16 bit version of the compiler. Go
here and download the Express Edition of VC 2008:

http://msdn2.microsoft.com/en-us/visualc/default.aspx

Compiled with VC 2008, your program works for me in Vista. Maybe the 16-bit
CRT is invoking the 16-bit command shell, and it doesn't do everything the
32-bit shell does, such as look up file associations.

--
Doug Harrison
Visual C++ MVP

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