Re: Windows CE 5.0 exception error, but not if message box is in place. Help!?!

You're starting the application from Explorer? *Not* at startup of the
device? My first guess is that the application/run-time is trying to do
something that is not yet ready to be done, as far as the operating system
is concerned.

Paul T.

"JaffaB" <jaffa_brown@xxxxxxxxxxx> wrote in message
news:b82d4894-9161-4010-add1-82c50ffa54e2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
All,

I have a visual Studio 2003 application which has worked for years on
Windows CE devices 3.5 to 4.0. Recently, I have started running in on
a new device running Windows CE 5.0, and in one form, after the form
has been drawn, I get the following error appear in a pop-up error
message:

A native exception occurred.
ExceptionCode: 0xc0000005
ExceptionAddress: 0x013146ac
Reading: 0x14000028

Now, the application continues to run, so if I tap on my application
to bring it to the foreground, it will continue without any other
errors (with the pop-up Exception error still on screen, but behind
all the other windows so you cant see it).

What is making this really difficult to trace is that if I change my
code, so that after the screen has been drawn, and just before the 1st
prompt on screen is given focus to say produce a trace message such
as:

MessageBox.Show("Here", "", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);


The here pop-up ?Here? message appears, and no Exception error.
Without this pop-up, I get the exception error.

I have tried putting a pause and a refresh in place of the ?Here?
message (such as):

System.Threading.Thread.Sleep(1000);
this.Refresh();

In this case, whilst the screen appears ok, the exception still
appears.

This only occurs in Windows CE 5.0 devices.

Does anybody know what is going on, and how I can locate and remove
this exception error?

Many thanks in advance

Jaffa


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