> My current project seems to eat memory when it runs for long periods
(over
> night).  I'de appreciate any pointers etc. after you read the following
> description of my project and problem.

> My project is a small program that poles a com port every 10 seconds
(using
> timer control).  It reads a register from an isdn terminal adapter and if
that
> register has a certain value it will read several other registers and
display
> the results in one of two text boxes on my form (caller id program).

> All that is on my form are the two text boxes...they are simply updated
with
> text1.text = text1.text & newtext & vbCrLf.

> Before I start my program I check CPanel/System/Performance tab and it
reports
> 97% free resources.  After I start my program I check again and it
reports 92%
> free resources.  I let the program run for several hours and check it
> again...still 92%.

> What could be happening overnite?  My hard drives spin down after an hour
or
> so...could this somehow affect my program?

> My code has several subroutines and functions...several are
public...nothing
> unusual.  I thought that after a sub was called its temporary variables
where
> destroyed?

> thanks,
> russ

> --------------------
> Russell W. Patterson
> Tennessee Valley Authority
> Transmission/Power Supply,  System Protection
> Chattanooga, Tennessee, USA (Eastern Time Zone)
> phone: 423-751-6857,  fax: 423-751-2110

>  --> sci.engr.electrical.sys-protection <--
> http://www.tva.gov/progroup/seesuse/homepage.htm

>Russell,

>With the statement " text1.text = text1.text & newtext & vbCrLf" in the
>application, you're going to run into a problem at some point.  The textbox
>is going to fill up.  If every 10 seconds your adding text1 to text1 even
>if you only get 1 register result it's going to multiply...

>John

>> Hi:

>> My current project seems to eat memory when it runs for long periods
>(over
>> night).  I'de appreciate any pointers etc. after you read the following
>> description of my project and problem.

>> My project is a small program that poles a com port every 10 seconds
>(using
>> timer control).  It reads a register from an isdn terminal adapter and if
>that
>> register has a certain value it will read several other registers and
>display
>> the results in one of two text boxes on my form (caller id program).

>> All that is on my form are the two text boxes...they are simply updated
>with
>> text1.text = text1.text & newtext & vbCrLf.

>> Before I start my program I check CPanel/System/Performance tab and it
>reports
>> 97% free resources.  After I start my program I check again and it
>reports 92%
>> free resources.  I let the program run for several hours and check it
>> again...still 92%.

>> What could be happening overnite?  My hard drives spin down after an hour
>or
>> so...could this somehow affect my program?

>> My code has several subroutines and functions...several are
>public...nothing
>> unusual.  I thought that after a sub was called its temporary variables
>where
>> destroyed?

>> thanks,
>> russ

>> --------------------
>> Russell W. Patterson
>> Tennessee Valley Authority
>> Transmission/Power Supply,  System Protection
>> Chattanooga, Tennessee, USA (Eastern Time Zone)
>> phone: 423-751-6857,  fax: 423-751-2110

>>  --> sci.engr.electrical.sys-protection <--
>> http://www.tva.gov/progroup/seesuse/homepage.htm

>Did you overlook a form unload + set form = nothing somewhere ?

> Hi:

> My current project seems to eat memory when it runs for long periods (over
> night).  I'de appreciate any pointers etc. after you read the following
> description of my project and problem.

> My project is a small program that poles a com port every 10 seconds (using
> timer control).  It reads a register from an isdn terminal adapter and if that
> register has a certain value it will read several other registers and display
> the results in one of two text boxes on my form (caller id program).

> All that is on my form are the two text boxes...they are simply updated with
> text1.text = text1.text & newtext & vbCrLf.

...snip...
> My code has several subroutines and functions...several are public...nothing
> unusual.  I thought that after a sub was called its temporary variables where
> destroyed?

> thanks,
> russ

> --------------------
> Russell W. Patterson
> Tennessee Valley Authority

>Russ,
>This is just a shot in the dark, but are you unintentionally causing
>recursive events. Something like using a DO loop to wait for time to
>pass in an event routine that is triggered by something external and
>never exiting the event routine. This can cause stack overflows as well
>as not releasing memory allocated to local variables until the program
>ends.

>HTH
>Dave Smythia

>> Hi:

>> My current project seems to eat memory when it runs for long periods (over
>> night).  I'de appreciate any pointers etc. after you read the following
>> description of my project and problem.

>> My project is a small program that poles a com port every 10 seconds (using
>> timer control).  It reads a register from an isdn terminal adapter and if
that
>> register has a certain value it will read several other registers and
display
>> the results in one of two text boxes on my form (caller id program).

>> All that is on my form are the two text boxes...they are simply updated with
>> text1.text = text1.text & newtext & vbCrLf.

>...snip...
>> My code has several subroutines and functions...several are public...nothing
>> unusual.  I thought that after a sub was called its temporary variables
where
>> destroyed?

>> thanks,
>> russ

>> --------------------
>> Russell W. Patterson
>> Tennessee Valley Authority