· ☕ 4 min read
· ✍️ oser
同步异步的两种用法 FILE_FLAG_OVERLAPPED异步打开参数 在CreateFile打开设备对象时 1 2 3 4 5 6 7 8 9 HANDLE CreateFile( LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, //FILE_FLAG_OVERLAPPED HANDLE hTemplateFile ); 加入FILE_FLA