Microsoft KB Archive/27139

= WIDTH Over 255 Not Trapped as Error in Version 4.00 Editor =

Article ID: 27139

Article Last Modified on 11/21/2006



This article was previously published under Q27139



SYMPTOMS
If a width greater than 255 is used in the WIDTH statement, no error is generated within the QuickBasic editor. No error is given by either the editor or BC.EXE if the width is specified using a variable.



STATUS
Microsoft has confirmed this to be a bug in QuickBasic Versions 4.00, 4.00b, and 4.50, and in Microsoft Basic Compiler Versions 6.00 and 6.00b for MS-DOS and MS OS/2 (buglist6.00, buglist6.00b). This problem was corrected in Microsoft Basic Professional Development System (PDS) Version 7.00 for MS-DOS and MS OS/2 (fixlist7.00).



MORE INFORMATION
The maximum allowable width that can be specified using the WIDTH statement is 255. If a number greater than that is given, the error &quot;Math overflow&quot; should be generated. However, this message is not given when running in the editor or when the WIDTH argument is assigned to a variable.

Results of testing with previous versions indicate that an error message is correctly given in the Version 3.00 editor.

The following is a code example: open &quot;cons:&quot; for output as #1 a = 400 width #1, a  ' If 400 is used instead of &quot;a&quot;, the error is correctly ' flagged when compiled with BC.EXE.

Additional query words: QuickBas BasicCom B_BasicCom buglist4.00 buglist4.00b buglist4.50

Keywords: KB27139

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