Generate moc_predefs.h
  xmlprojectmanager.cpp
d:\projects\cpp\qtnoveldesc\libprojectmanager\xmlprojectmanager.h(10): error C2653: “ProjectManager”: 不是类或命名空间名称
d:\projects\cpp\qtnoveldesc\libprojectmanager\xmlprojectmanager.h(10): error C2504: “ProjectManager”: 未定义基类