好象是这样的, 按文档, 应这样调用:<br>LONG RegSetKeySecurity( HKEY hKey, // open handle of key to set<br> SECURITY_INFORMATION SecurityInformation, // descriptor contents<br> PSECURITY_DESCRIPTOR pSecurityDescriptor // address of descriptor for key<br>);<br><br>我的想法是: 先RegGetKeySecurity把SecurityInformation放到一临时变量中,<br>然后用RegSetKeySecurity更改此SecurityInformation, 用REGSETVALUE更改<br>后再RegSetKeySecurity恢复安全设置.<br><br>