[MSW 2.8.6] DLL & event handling

[Exadrina]

I'm trying to build an application with logging capabilities.
The applicatione is composed of a main window, displaying record
retrieved from a DB, and a log window, popping when an error is
sent to it. Both windows are built using wxWidgets 2.8.6 for MS
Windows.

The logger is a "Singleton"  contained inside a DLL exposing
a "C" interface. The logger is realized with a window (derived
from wxFrame) having a StcEditCtrl control to display rows of
text. This window has a menu bar with few items (file, options
and help): any item has its event handler.

Main Window has a wxListCtrl control, a menu bar and few other
controls (a toolbar and a status bar).

Without attaching the logger dll, main windows works perfectly
and any event is managed in the right way. When I link the dll,
main window's event handling stop working properly.

I wasn't able to understand the reason of this behaviour, can
anyone help me?

I can supply the complete logger code and a test Main Window
to track this problem.

Tnx

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