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MFC Logging Example documentation
=================================
by Craig Rodrigues <crodrigu@bbn.com>
2002/08/02
The example in this directory is a Microsoft Foundation Class (MFC)
example which illustrates how to write an ACE_Log_Msg_Callback which
can send debug output to the Microsoft debugger console.
This is very useful when debugging an MFC GUI-based application which
uses ACE.
NOTES
=====
- Make sure that $ACE_ROOT/ace/acemfcd.lib is built before building this
example. Follow the instructions in $ACE_ROOT/ACE-INSTALL.html for building
ACE with Visual C++. Do a Batch Build of ACE, and make sure that you build
the target "ACE DLL - Win32 MFC Debug".
- We must call ACE::init() and ACE::fini() in the right places
otherwise we will get strange crashes and memory leaks
when invoking ACE_Log_Msg::instance().
A good place to invoke these methods is in the method which overrides
CWinApp::InitInstance().
In this example, we invoke these methods in CLog_Msg_MFCApp::InitInstance().
- We must set the ACE_Log_Msg singleton to use our callback with:
ACE_Log_Msg::instance()->msg_callback( &m_mfc_logger );
ACE_Log_Msg::instance()->set_flags( ACE_Log_Msg::MSG_CALLBACK );
This is also done in CLog_Msg_MFCApp::InitInstance().
THANKS
======
Thanks to the following people who provided assistance on the ACE
mailing list:
Chris Hafey <chafey@stentor.com>
Don Hinton <dhinton@ieee.org>
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