- if (wxMessageBox(wxString::Format("Are you sure you want to delete the calendar %s from the %s account?", calendarInfo.calendarName, calendarInfo.accountName), "Delete calendar", wxYES_NO|wxICON_QUESTION) == wxNO){
+ if (wxMessageBox(wxString::Format("Are you sure you want to delete the calendar %s from the %s account?", wxString(calendarInfo.calendarName.c_str(), wxConvUTF8), wxString(calendarInfo.accountName.c_str(), wxConvUTF8)), "Delete calendar", wxYES_NO|wxICON_QUESTION) == wxNO){