Paradox [4.5,5.0][WIN] - Memory bug sol'n

Paradox [4.5,5.0][WIN] - Memory bug sol'n

Post by Scott Channell, 23652, 74-25-4 » Fri, 17 Mar 1995 03:42:46

Problem  : Heap/Stack over-run in TextStream I/O
Solution : Can be caused by overflowing the TextStream buffer
        add WriteLine() call(s) more frequently

Comments :
        Well, after much thrashing with what I had thought was
        a table search bug, it turns out that Paradox (most likely)
        doesn't flush TextStreams until a End-Of-Line condition
        is reached. If you have TextStream I/O and you exceed the
        stream buffer size you can see your variables (stack-space),
        data (heap), or even code (code-space) being corrupted.
        This may (or may not) crash the Paradox/Windows session.


Hughes Aircraft Co.             voice:  (310) 616-1059

PO Box 902, EO/E01/B125, El Segundo, Ca. 90245


1. Paradox 4.5 Win Form Difficulties in 5.0 Win

I have many forms, some that were created in Paradox for Windows 4.5 and
some that were created in Paradox for Windows 5.0. In the forms that were
created in Paradox 4.5, the text in the fields ride up to the top of the
fields and are hard to read. In forms that were created in PdoxWin 5.0,
the letters are down lower and are "normal." This is irritating as we
have to use a different font in the edit boxes than we would like to and
it isn't as nice looking. Is there any way to solve this?
Also, in 4.5 forms, the font list omits several fonts, and in 5.0 forms,
the font list is complete. What's causing this?
I am opening and viewing all these forms in PdoxWin 5.0. Is there any way
to solve this other than recreate all my old forms from scratch in
PdoxWin 5.0?

Thanks and rock Rhrp,

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