static extern bool GetAclInformation(

                GetAclInformation(pAcl, ref AclSize, (uint)Marshal.SizeOf(typeof(ACL_SIZE_INFORMATION)), ACL_INFORMATION_CLASS.AclSizeInformation);

static extern bool GetAclInformation(IntPtr pAcl, IntPtr pAclInformation, uint nAclInformationLength, ACL_INFORMATION_CLASS dwAclInformationClass);

static extern bool GetAclInformation(IntPtr pAcl, ref ACL_REVISION_INFORMATION pAclInformation, uint nAclInformationLength, ACL_INFORMATION_CLASS dwAclInformationClass);

static extern bool GetAclInformation(IntPtr pAcl, ref ACL_SIZE_INFORMATION pAclInformation, uint nAclInformationLength, ACL_INFORMATION_CLASS dwAclInformationClass);

Declare Function GetAclInformation Lib "advapi32.dll" (TODO) As TODO

Pass ACL_INFORMATION_CLASS.AclRevisionInformation to GetAclInformation to fill this struct.

Pass ACL_INFORMATION_CLASS.AclSizeInformation to GetAclInformation to fill this struct.