pInf is an array of DS_DOMAIN_CONTROLLER_INFO_1 or DS_DOMAIN_CONTROLLER_INFO_2 dependent on InfoLevel

    public struct DS_DOMAIN_CONTROLLER_INFO_2

        NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2[] DCinfos;

        IntPtr pDCinfos; // pointer to array of DS_DOMAIN_CONTROLLER_INFO_2

            DCinfos = new NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2[nInfo];

            NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2 OneInfo;

                OneInfo = (NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2)Marshal.PtrToStructure(

                typeof(NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2)

                 Marshal.SizeOf(typeof(NtdsHelper.DS_DOMAIN_CONTROLLER_INFO_2)));

struct DS_DOMAIN_CONTROLLER_INFO_2 {

Structure DS_DOMAIN_CONTROLLER_INFO_2