DownloadListCtrl.cpp: In member function 'virtual bool CDownloadListCtrl::ProcessEvent(wxEvent&)':
DownloadListCtrl.cpp:1914: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second:
/usr/include/wx/string.h:433: note: candidate 1: wxChar wxString::operator[](int) const
/usr/include/wx/string.h:446: note: candidate 2: wxChar& wxString::operator[](unsigned int)