Microsoft KB Archive/118339

= PRB: DX1020 on a Call to OUTGTEXT under MS-DOS =

Article ID: 118339

Article Last Modified on 10/2/2003

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APPLIES TO


 * Microsoft FORTRAN PowerStation 1.0 Standard Edition
 * Microsoft Fortran PowerStation 1.0a for MS-DOS

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This article was previously published under Q118339



SYMPTOMS
A program running under MS-DOS (not an MS-DOS prompt in Windows) calls OUTGTEXT, and the following error message is generated:

DOSXMSF : fatal error DX1020: unhandled exception: Page fault



CAUSE
This error occurs if you have not successfully registered a font.



RESOLUTION
Check the return status of REGISTERFONTS and SETFONT. If they return -1, then do not call OUTGTEXT.



MORE INFORMATION
To generate the problem, compile and run the sample code below from MS-DOS (not from an MS-DOS prompt in Windows).

OUTGTEXT still fails if the two lines are uncommented and the directory used in REGISTERFONTS contains no .FON files or does not exist. The program runs correctly if the two lines are uncommented and the directory used in REGISTERFONTS does contain .FON files.

Sample Code
c compile options needed: none

INCLUDE 'FGRAPH.FI' INCLUDE 'FLIB.FI' INCLUDE 'FLIB.FD' INCLUDE 'FGRAPH.FD' write(*,*) setvideomode($MAXRESMODE) c     write(*,*) registerfonts("c:\f32\lib\*.fon") c     write(*,*) setfont("n1") CALL outgtext("abcde") read * END

Additional query words: 1.00 nofpsnt 1.00a

Keywords: KB118339

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