SetNamedSecurityInfo

[DllImport("Advapi32.dll", SetLastError = true)][return: MarshalAs(UnmanagedType.U4)]
public static extern uint SetNamedSecurityInfo(
   string pObjectName,
   SE_OBJECT_TYPE ObjectType,
   SECURITY_INFORMATION SecurityInfo,
   byte[] psidOwner,
   byte[] psidGroup,
   IntPtr pDacl,
   IntPtr pSacl
);

Microsoft documentation: Link

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