Re: Win98 resources

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Jim Carlock (anonymous_at_127.0.0.1)
Date: 05/09/04 

Date: Sat, 8 May 2004 22:41:02 -0400

I've recently converted a program from VB3 to VB6 and
going all the way back to VB3. It had code built in to trap
an out of memory error:

If Err.Number = 7 Then Resume Next

I kept the in place for a while in the VB6 conversion process,
and the apps ran just fine. It was used when creating a new
form to display data, and the error did pop up a few times
while working with the code. Eventually the problem went
away, and I took out that particular trap.

I don't know what exactly fixed the problem. The error code
that was trapped was Error Code 7 (Out of Memory ?).

You might want to put the following code in place and try
it out and see if it adversely affects anything:

  'blah blah blah
  End Sub
LocalErr:
  If Err.Number = 7& Then Resume Next
  gSubError Err.Number, Err.Description, "modName/NewFormSub"
  Err.Clear
End Sub 

-- 
Jim Carlock
http://www.microcosmotalk.com/
Post replies to the newsgroup.
<New@aol.com> wrote:
Thanks for your response.  I do not mean to beat this the point to
death and if I was not so stubborn or curious to see if I could do it
then I would have given up.
This is not a revenue issue nor a "worth the work issue" nor am I
concern about piracy since neither are a factor here.  If I had an
optional way of doing it I may consider recoding that section of the
program.
It is hard for me to describe directly why there are so many boxes
because of the type of work involved. So I rather give you an analogy
Think of 50 bins each can contain between 1 and five boxes each boxes
can be 1 of  five colors.   The program reads the database and on a
page you see 50 bins and what ever colors boxes are present in each of
the bins a color rectange appears.
This information can change and therefore over a period of time all
250 rectangles will have been enabled and visible
What I cannot figurre out is there a way to reduce the 250 elements to
lower the Gui load and still mantain the grahic layout of the form. It
is actually 300 elements because each bin has a rectangle two and in
fact it consits of  600 elements because when the state changes the
program shows the previous state and the current state
I could possible eliminate 100 rectanges by changing them to 400 lines
and that is very easy to fo. do What I do not know is how much memory
that eill free up
BTW when I talk of memory i am not talking about computer memory these
are running on 1 gig machines..I refering to the GUI memory (64K)
limit imposed by all Win9X operating systems. (but you knew that...)
Again thanks for your help
On Sat, 08 May 2004 16:23:55 -0500, Duane Bozarth
<dp_bozarth@swko.dot.net> wrote:
>Duane Bozarth wrote:
>>
>> New@aol.com wrote:
>> >
>> > Out of my control - program may be used outside this country in third
>> > world areas
>>
>> Or not... :)
>>
>> > As i said the chief element is a colored rectangle and there are a lot
>> > of them (over 250) and they cannot be reduced
>
>Why?  As a general observation there's almost nothing that is absolutely
>the most parsimonious way of implementing/representing something---now
>whether it's more costly to implement it in another fashion is a
>different question.  But, w/o knowing anything at all about what the app
>is or the rectangles are representative of, I'm having a hard time
>conceiving/visualizing it...seems like it would be terribly busy if
>nothing else.
>
>The last graphic intensive thing I worked with before VB was built on a
>GUI interface in PB7 that was done all via LINE, etc.  It looked good
>and worked well, but it was a lot of effort by the coder (thankfully,
>not me, I did the part of the app that did the "real" work, not the UI)
>so, as Jim Deutch says, it <can> be done.  That gets back to the other
>point of whether it's worth the effort to support older platforms that
>may not produce much in the way of actual revenue (I'm guessing as the
>3rd world is even more notorious than we for pirating anything they want
>rather than buying it...)

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