察看各位大大的贴，可惜没有一个合适的结果；
有人说：可以提高使用者权限；但是事实上好像不是很好用；
经过艰苦.艰苦.艰艰苦苦;终于在msdn上找到了一些好动动；
不敢独享,(哎，我可不想某人，好东西藏到自己都忘了的地方)
整理出来一些对某些人有用的东西:嘿嘿,代码如下:
严重建议:大家都把好东西往上贴吧!!!!!!

欢迎来信探讨: [email protected]

    //开始重新配置使用注册表的权限------------------------------------------------

    LPTSTR lpObjectName;
    SE_OBJECT_TYPE ObjectType;        //#include <aclapi.h>

    PACL OldDACL,NewDACL;
    PSECURITY_DESCRIPTOR SD;
    EXPLICIT_ACCESS ea;

    lpObjectName = "MACHINE\\SYSTEM\\ControlSet001\\Enum\\Root";

    ObjectType =SE_REGISTRY_KEY;

    //建立一个空的ACL;
    if (SetEntriesInAcl(0, NULL, NULL, &OldDACL)!=ERROR_SUCCESS)
        return;

    if (SetEntriesInAcl(0, NULL, NULL, &NewDACL)!=ERROR_SUCCESS)
        return;

    //获取现有的ACL列表到OldDACL
    if(GetNamedSecurityInfo(lpObjectName, ObjectType,
                          DACL_SECURITY_INFORMATION,
                          NULL, NULL,
                          &OldDACL,
                          NULL, &SD) != ERROR_SUCCESS)
          Application->MessageBox("指定的键不存在！","提示",MB_OK);

    //设置用户名"Everyone"对指定的键有所有操作权到结构ea
    ZeroMemory(&ea, sizeof(EXPLICIT_ACCESS));

    BuildExplicitAccessWithName(&ea,
                                "Everyone",      // name of trustee
                                GENERIC_ALL,     // type of access
                                SET_ACCESS,      // access mode
                                SUB_CONTAINERS_AND_OBJECTS_INHERIT); //让自健继承他的权限; inheritance mode

    
    //合并结构ea和OldDACL的权限列表到新的NewDACL
    if(SetEntriesInAcl(1, &ea, NULL, &NewDACL) != ERROR_SUCCESS)
          goto Cleanup;

    //把新的ACL写入到指定的键
    SetNamedSecurityInfo(lpObjectName, ObjectType,
          DACL_SECURITY_INFORMATION,
          NULL, NULL,
          NewDACL,
          NULL);


    ///////开始操作注册表//////////////////////////////////////////////////////////
    //...................................................
    ////////////////////////////////////////////////////////////////////////////

    //恢复注册表的权限;

    BuildExplicitAccessWithName(&ea,
                                "Everyone",      // name of trustee
                                GENERIC_READ,     // type of access
                                SET_ACCESS,      // access mode
                                NO_INHERITANCE); //让自健继承他的权限; inheritance mode

    if(SetEntriesInAcl(1, &ea, NULL, &OldDACL) != ERROR_SUCCESS)
       goto Cleanup;

    //把旧的ACL写入到指定的键
    SetNamedSecurityInfo(lpObjectName, ObjectType,
          DACL_SECURITY_INFORMATION,
          NULL, NULL,
          OldDACL,
          NULL);

       //释放指针
    Cleanup:
    if(SD != NULL)
          LocalFree((HLOCAL) SD);
    if(NewDACL != NULL)
          LocalFree((HLOCAL) NewDACL);
    if(OldDACL != NULL)
          LocalFree((HLOCAL) OldDACL);