https://learn.microsoft.com/zh-tw/dotnet/api/system.security.accesscontrol.objectsecurity.setsecuritydescriptorsddlform?view=netframework-4.8.1
ObjectSecurity.SetSecurityDescriptorSddlForm Method (System.Security.AccessControl) | Microsoft...
Sets the security descriptor for this ObjectSecurity object from the specified Security Descriptor Definition Language (SDDL) string.
system securitymethodaccesscontrolmicrosoft