Error Note memory leak

[budugu]

I am using the following code to display error note

if(error != KErrNone) {
	CAknErrorNote *aErrorNote = new (ELeave) CAknErrorNote();
	aErrorNote->ExecuteLD(_L("System Error ")) ;
}

but this leaks memory - I am printing out the value of user.Heap().Size() after showing this note and it keeps increasing.

If I delete the aErrorNote i get Kern-Exec 3 error, Can anyone please tell me the right way of displaying an error note.

Thanks,
Budugu

[symbianyucca]

it should not really leak, since the LD ending means that the dialog is destroyed after the is shown.

[wizard_hu_]

There can be many unseen things happening in the background:
- the note control loads a resource: it may easily happen that CCoe/EikonEnv decides to keep the resource in the memory for possible further usages - so it is an allocation, but it is not a leak
- a simpler thing which can also happen is the expansion of the Cleanup Stack.

[budugu]

Thanks for the info. I was a bit worried to see the Heap size increase whenever error note is shown, if this is the right way to show an error note then so be it.

Thanks,
Budugu

[wizard_hu_]

If memory allocation increases on every single invocation, that is not a nice thing. Note that the emulator checks for memory leaks on exiting a GUI application, so you could test the notes there.
You may have to enable the error messages first: http://wiki.forum.nokia.com/index.ph...ded_panic_code
After that you can simply try generating some test project, and putting an explicit memory leak into it (writing "User::Alloc(1);" into HandleCommandL will do the job). You should get an ALLOC panic in return.