Very abrupt crash (no exception messages) on PPC 2003

[tcarvin]

Can anyone think of any kind of error that would cause an extremely abrupt
(but otherwise silent) crash on a Pocket PC 2003 device?

Here a few details:

1. This seems specific to PPC 2003, our 2002 units haven't had this problem
before.

2. We have seen it on a Dell Axium and a Symbol MC900.

3. It seems releated to the interaction between our GUI thread and our main
work thread. We ARE Invoking to marshall into the GUI thread. It happens
when a status form is shown. (Currently that form is being recreated and
closed for each usage).

4. The work occuring that is updating the status form is a file transfer
from a PC. It happens whether we use TCP/IP or Serial as our communication
medium.

5. One user has reported that it happens AFTER the status form dismisses.

6. The status form has nothing fancy in it. It is borderless (so it won't be
fill screen) and simulates a border in the OnPaint(). It also has a DoEvents
in each of the Invoked routines that updates the screen to allow the form
time to repaint.

Does any of this ring any bells?

Many Thanks!
Tom

 

[tcarvin]

Found the answer in another thread. When you set the Min and Max of a
Progress Bar to the same value (zero in this case) it causes an abnormal
program termination.

Tom