C++ MFC Application CEdit::ShowBalloonTip problems

C++ MFC Application CEdit::ShowBalloonTip problems

I'm coding a dialog based application and I keep hitting roadblocks from
all directions.
The latest one is this:
I'm trying to use the CEdit's ShowBalloonTip() when the user types
something wrong in the the field. The problem is that the ShowBalloonTip()
method always returns false (not showing at all) except if I add
#ifdef UNICODE
#if defined _M_IX86
#pragma comment(linker,"/manifestdependency:\"type='win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='x86' publicKeyToken='6595b64144ccf1df'
language='*'\"")
#elif defined _M_IA64
#pragma comment(linker,"/manifestdependency:\"type='win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='ia64' publicKeyToken='6595b64144ccf1df'
language='*'\"")
#elif defined _M_X64
#pragma comment(linker,"/manifestdependency:\"type='win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='amd64' publicKeyToken='6595b64144ccf1df'
language='*'\"")
#else
#pragma comment(linker,"/manifestdependency:\"type='win32'
name='Microsoft.Windows.Common-Controls' version='6.0.0.0'
processorArchitecture='*' publicKeyToken='6595b64144ccf1df'
language='*'\"")