接调用已有驱动

1.在STDAFX.H中添加#define _WIN32_WINNT 0x400

将DirectoryChanges.h(.cpp) DelayDirectoryChangeHandler.h(.cpp) Twain.h(.cpp)加入工程



2.在Main.H中：

添加(protected)：　　CDirectoryChangeWatcher　　　　　　m_DirWatcher

　　 CFileChangeMessage m_DirChangeHandler -1. In STDAFX.H add# define _WIN32_WINNT 0x400 will DirectoryChanges.h (. Cpp) DelayDirectoryChangeHandler.h (. Cpp) Twain.h (. Cpp) joined the project 2. In Main.H in: Add (protected): CDirectoryChangeWatcher m_DirWatcher　CFileChangeMessage m_DirChangeHandler