映射文件的使用源码实例

HANDLE hFileMap = CreateFileMapping(hFile, NULL, PAGE_READWRITE, 0, 0, NULL); if (hFileMap == NULL) { TRACE("创建文件映射对象失败,错误代码:%drn", GetLastError()); return; } // 得到系统分配粒度 SYSTEM_INFO SysInfo; GetSystemInfo(&SysInfo); DWORD dwGran = SysInfo.dwAllocationGranularity;