package ienumeventobject

import (
	"context"
	"fmt"
	"strings"
	"unicode/utf16"

	dcerpc "github.com/oiweiwei/go-msrpc/dcerpc"
	errors "github.com/oiweiwei/go-msrpc/dcerpc/errors"
	uuid "github.com/oiweiwei/go-msrpc/midl/uuid"
	dcom "github.com/oiweiwei/go-msrpc/msrpc/dcom"
	comev "github.com/oiweiwei/go-msrpc/msrpc/dcom/comev"
	iunknown "github.com/oiweiwei/go-msrpc/msrpc/dcom/iunknown/v0"
	ndr "github.com/oiweiwei/go-msrpc/ndr"
)

var (
	_ = context.Background
	_ = fmt.Errorf
	_ = utf16.Encode
	_ = strings.TrimPrefix
	_ = ndr.ZeroString
	_ = (*uuid.UUID)(nil)
	_ = (*dcerpc.SyntaxID)(nil)
	_ = (*errors.Error)(nil)
	_ = dcom.GoPackage
	_ = iunknown.GoPackage
	_ = comev.GoPackage
)

var (
	// import guard
	GoPackage = "dcom/comev"
)

var (
	// IEnumEventObject interface identifier f4a07d63-2e25-11d1-9964-00c04fbbb345
	EnumEventObjectIID = &dcom.IID{Data1: 0xf4a07d63, Data2: 0x2e25, Data3: 0x11d1, Data4: []byte{0x99, 0x64, 0x00, 0xc0, 0x4f, 0xbb, 0xb3, 0x45}}
	// Syntax UUID
	EnumEventObjectSyntaxUUID = &uuid.UUID{TimeLow: 0xf4a07d63, TimeMid: 0x2e25, TimeHiAndVersion: 0x11d1, ClockSeqHiAndReserved: 0x99, ClockSeqLow: 0x64, Node: [6]uint8{0x0, 0xc0, 0x4f, 0xbb, 0xb3, 0x45}}
	// Syntax ID
	EnumEventObjectSyntaxV0_0 = &dcerpc.SyntaxID{IfUUID: EnumEventObjectSyntaxUUID, IfVersionMajor: 0, IfVersionMinor: 0}
)

// IEnumEventObject interface.
type EnumEventObjectClient interface {

	// IUnknown retrieval method.
	Unknown() iunknown.UnknownClient

	// The Clone method clones the underlying collection into another DCOM object implementing
	// the IEnumEventObject interface.
	//
	// Return Values: An HRESULT specifying success or failure. All success codes MUST be
	// treated the same, and all failure codes MUST be treated the same.
	Clone(context.Context, *CloneRequest, ...dcerpc.CallOption) (*CloneResponse, error)

	// The Next method gets up to a specified number of items from the collection, if they
	// are available, starting at the current enumerator position.
	//
	// Return Values: An HRESULT specifying success or failure. All success codes other
	// than S_FALSE MUST be treated the same, and all failure codes MUST be treated the
	// same.
	//
	//	+--------------------+------------------------+
	//	|       RETURN       |                        |
	//	|     VALUE/CODE     |      DESCRIPTION       |
	//	|                    |                        |
	//	+--------------------+------------------------+
	//	+--------------------+------------------------+
	//	| 0x00000001 S_FALSE | End of the collection. |
	//	+--------------------+------------------------+
	Next(context.Context, *NextRequest, ...dcerpc.CallOption) (*NextResponse, error)

	// The Reset method resets the enumerator back to the first element in the collection.
	//
	// This method has no parameters.
	//
	// Return Values: An HRESULT specifying success or failure. All success codes other
	// than S_FALSE MUST be treated the same, and all failure codes MUST be treated the
	// same.
	//
	//	+--------------------+-------------------------------------------------------------------------------+
	//	|       RETURN       |                                                                               |
	//	|     VALUE/CODE     |                                  DESCRIPTION                                  |
	//	|                    |                                                                               |
	//	+--------------------+-------------------------------------------------------------------------------+
	//	+--------------------+-------------------------------------------------------------------------------+
	//	| 0x00000001 S_FALSE | The enumeration sequence was reset, but there are no items in the enumerator. |
	//	+--------------------+-------------------------------------------------------------------------------+
	Reset(context.Context, *ResetRequest, ...dcerpc.CallOption) (*ResetResponse, error)

	// The Skip method skips ahead in the collection by the number of elements specified.
	//
	// Return Values: An HRESULT specifying success or failure. All success codes other
	// than S_FALSE MUST be treated the same, and all failure codes MUST be treated the
	// same.
	//
	//	+--------------------+--------------------------------------------------------------------------+
	//	|       RETURN       |                                                                          |
	//	|     VALUE/CODE     |                               DESCRIPTION                                |
	//	|                    |                                                                          |
	//	+--------------------+--------------------------------------------------------------------------+
	//	+--------------------+--------------------------------------------------------------------------+
	//	| 0x00000001 S_FALSE | The number of elements skipped was not the same as the number requested. |
	//	+--------------------+--------------------------------------------------------------------------+
	Skip(context.Context, *SkipRequest, ...dcerpc.CallOption) (*SkipResponse, error)

	// AlterContext alters the client context.
	AlterContext(context.Context, ...dcerpc.Option) error

	// Conn returns the client connection (unsafe)
	Conn() dcerpc.Conn

	// IPID sets the object interface identifier.
	IPID(context.Context, *dcom.IPID) EnumEventObjectClient
}

type xxx_DefaultEnumEventObjectClient struct {
	iunknown.UnknownClient
	cc   dcerpc.Conn
	ipid *dcom.IPID
}

func (o *xxx_DefaultEnumEventObjectClient) Unknown() iunknown.UnknownClient {
	return o.UnknownClient
}

func (o *xxx_DefaultEnumEventObjectClient) Clone(ctx context.Context, in *CloneRequest, opts ...dcerpc.CallOption) (*CloneResponse, error) {
	op := in.xxx_ToOp(ctx, nil)
	if _, ok := dcom.HasIPID(opts); !ok {
		if o.ipid != nil {
			opts = append(opts, dcom.WithIPID(o.ipid))
		} else {
			return nil, fmt.Errorf("%s: ipid is missing", op.OpName())
		}
	}
	if err := o.cc.Invoke(ctx, op, opts...); err != nil {
		return nil, err
	}
	out := &CloneResponse{}
	out.xxx_FromOp(ctx, op)
	if op.Return != int32(0) {
		return out, fmt.Errorf("%s: %w", op.OpName(), errors.New(ctx, op.Return))
	}
	return out, nil
}

func (o *xxx_DefaultEnumEventObjectClient) Next(ctx context.Context, in *NextRequest, opts ...dcerpc.CallOption) (*NextResponse, error) {
	op := in.xxx_ToOp(ctx, nil)
	if _, ok := dcom.HasIPID(opts); !ok {
		if o.ipid != nil {
			opts = append(opts, dcom.WithIPID(o.ipid))
		} else {
			return nil, fmt.Errorf("%s: ipid is missing", op.OpName())
		}
	}
	if err := o.cc.Invoke(ctx, op, opts...); err != nil {
		return nil, err
	}
	out := &NextResponse{}
	out.xxx_FromOp(ctx, op)
	if op.Return != int32(0) {
		return out, fmt.Errorf("%s: %w", op.OpName(), errors.New(ctx, op.Return))
	}
	return out, nil
}

func (o *xxx_DefaultEnumEventObjectClient) Reset(ctx context.Context, in *ResetRequest, opts ...dcerpc.CallOption) (*ResetResponse, error) {
	op := in.xxx_ToOp(ctx, nil)
	if _, ok := dcom.HasIPID(opts); !ok {
		if o.ipid != nil {
			opts = append(opts, dcom.WithIPID(o.ipid))
		} else {
			return nil, fmt.Errorf("%s: ipid is missing", op.OpName())
		}
	}
	if err := o.cc.Invoke(ctx, op, opts...); err != nil {
		return nil, err
	}
	out := &ResetResponse{}
	out.xxx_FromOp(ctx, op)
	if op.Return != int32(0) {
		return out, fmt.Errorf("%s: %w", op.OpName(), errors.New(ctx, op.Return))
	}
	return out, nil
}

func (o *xxx_DefaultEnumEventObjectClient) Skip(ctx context.Context, in *SkipRequest, opts ...dcerpc.CallOption) (*SkipResponse, error) {
	op := in.xxx_ToOp(ctx, nil)
	if _, ok := dcom.HasIPID(opts); !ok {
		if o.ipid != nil {
			opts = append(opts, dcom.WithIPID(o.ipid))
		} else {
			return nil, fmt.Errorf("%s: ipid is missing", op.OpName())
		}
	}
	if err := o.cc.Invoke(ctx, op, opts...); err != nil {
		return nil, err
	}
	out := &SkipResponse{}
	out.xxx_FromOp(ctx, op)
	if op.Return != int32(0) {
		return out, fmt.Errorf("%s: %w", op.OpName(), errors.New(ctx, op.Return))
	}
	return out, nil
}

func (o *xxx_DefaultEnumEventObjectClient) AlterContext(ctx context.Context, opts ...dcerpc.Option) error {
	return o.cc.AlterContext(ctx, opts...)
}

func (o *xxx_DefaultEnumEventObjectClient) Conn() dcerpc.Conn {
	return o.cc
}

func (o *xxx_DefaultEnumEventObjectClient) IPID(ctx context.Context, ipid *dcom.IPID) EnumEventObjectClient {
	if ipid == nil {
		ipid = &dcom.IPID{}
	}
	return &xxx_DefaultEnumEventObjectClient{
		UnknownClient: o.UnknownClient.IPID(ctx, ipid),
		cc:            o.cc,
		ipid:          ipid,
	}
}

func NewEnumEventObjectClient(ctx context.Context, cc dcerpc.Conn, opts ...dcerpc.Option) (EnumEventObjectClient, error) {
	var err error
	if !dcom.IsSuperclass(opts) {
		cc, err = cc.Bind(ctx, append(opts, dcerpc.WithAbstractSyntax(EnumEventObjectSyntaxV0_0))...)
		if err != nil {
			return nil, err
		}
	}
	base, err := iunknown.NewUnknownClient(ctx, cc, append(opts, dcom.Superclass(cc))...)
	if err != nil {
		return nil, err
	}
	ipid, ok := dcom.HasIPID(opts)
	if ok {
		base = base.IPID(ctx, ipid)
	}
	return &xxx_DefaultEnumEventObjectClient{
		UnknownClient: base,
		cc:            cc,
		ipid:          ipid,
	}, nil
}

// xxx_CloneOperation structure represents the Clone operation
type xxx_CloneOperation struct {
	This      *dcom.ORPCThis         `idl:"name:This" json:"this"`
	That      *dcom.ORPCThat         `idl:"name:That" json:"that"`
	Interface *comev.EnumEventObject `idl:"name:ppInterface" json:"interface"`
	Return    int32                  `idl:"name:Return" json:"return"`
}

func (o *xxx_CloneOperation) OpNum() int { return 3 }

func (o *xxx_CloneOperation) OpName() string { return "/IEnumEventObject/v0/Clone" }

func (o *xxx_CloneOperation) xxx_PrepareRequestPayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareRequestPayload(context.Context) error }); ok {
		if err := hook.AfterPrepareRequestPayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_CloneOperation) MarshalNDRRequest(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareRequestPayload(ctx); err != nil {
		return err
	}
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This != nil {
			if err := o.This.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThis{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_CloneOperation) UnmarshalNDRRequest(ctx context.Context, w ndr.Reader) error {
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This == nil {
			o.This = &dcom.ORPCThis{}
		}
		if err := o.This.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_CloneOperation) xxx_PrepareResponsePayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareResponsePayload(context.Context) error }); ok {
		if err := hook.AfterPrepareResponsePayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_CloneOperation) MarshalNDRResponse(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareResponsePayload(ctx); err != nil {
		return err
	}
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That != nil {
			if err := o.That.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThat{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// ppInterface {out} (1:{pointer=ref}*(2)*(1))(2:{alias=IEnumEventObject}(interface))
	{
		if o.Interface != nil {
			_ptr_ppInterface := ndr.MarshalNDRFunc(func(ctx context.Context, w ndr.Writer) error {
				if o.Interface != nil {
					if err := o.Interface.MarshalNDR(ctx, w); err != nil {
						return err
					}
				} else {
					if err := (&comev.EnumEventObject{}).MarshalNDR(ctx, w); err != nil {
						return err
					}
				}
				return nil
			})
			if err := w.WritePointer(&o.Interface, _ptr_ppInterface); err != nil {
				return err
			}
		} else {
			if err := w.WritePointer(nil); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.WriteData(o.Return); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_CloneOperation) UnmarshalNDRResponse(ctx context.Context, w ndr.Reader) error {
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That == nil {
			o.That = &dcom.ORPCThat{}
		}
		if err := o.That.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// ppInterface {out} (1:{pointer=ref}*(2)*(1))(2:{alias=IEnumEventObject}(interface))
	{
		_ptr_ppInterface := ndr.UnmarshalNDRFunc(func(ctx context.Context, w ndr.Reader) error {
			if o.Interface == nil {
				o.Interface = &comev.EnumEventObject{}
			}
			if err := o.Interface.UnmarshalNDR(ctx, w); err != nil {
				return err
			}
			return nil
		})
		_s_ppInterface := func(ptr interface{}) { o.Interface = *ptr.(**comev.EnumEventObject) }
		if err := w.ReadPointer(&o.Interface, _s_ppInterface, _ptr_ppInterface); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.ReadData(&o.Return); err != nil {
			return err
		}
	}
	return nil
}

// CloneRequest structure represents the Clone operation request
type CloneRequest struct {
	// This: ORPCTHIS structure that is used to send ORPC extension data to the server.
	This *dcom.ORPCThis `idl:"name:This" json:"this"`
}

func (o *CloneRequest) xxx_ToOp(ctx context.Context, op *xxx_CloneOperation) *xxx_CloneOperation {
	if op == nil {
		op = &xxx_CloneOperation{}
	}
	if o == nil {
		return op
	}
	op.This = o.This
	return op
}

func (o *CloneRequest) xxx_FromOp(ctx context.Context, op *xxx_CloneOperation) {
	if o == nil {
		return
	}
	o.This = op.This
}
func (o *CloneRequest) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRRequest(ctx, w)
}
func (o *CloneRequest) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_CloneOperation{}
	if err := _o.UnmarshalNDRRequest(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// CloneResponse structure represents the Clone operation response
type CloneResponse struct {
	// That: ORPCTHAT structure that is used to return ORPC extension data to the client.
	That *dcom.ORPCThat `idl:"name:That" json:"that"`
	// ppInterface: If the function returns a success HRESULT, this MUST contain the interface
	// pointer of the clone DCOM object supporting the IEnumEventObject interface.
	Interface *comev.EnumEventObject `idl:"name:ppInterface" json:"interface"`
	// Return: The Clone return value.
	Return int32 `idl:"name:Return" json:"return"`
}

func (o *CloneResponse) xxx_ToOp(ctx context.Context, op *xxx_CloneOperation) *xxx_CloneOperation {
	if op == nil {
		op = &xxx_CloneOperation{}
	}
	if o == nil {
		return op
	}
	op.That = o.That
	op.Interface = o.Interface
	op.Return = o.Return
	return op
}

func (o *CloneResponse) xxx_FromOp(ctx context.Context, op *xxx_CloneOperation) {
	if o == nil {
		return
	}
	o.That = op.That
	o.Interface = op.Interface
	o.Return = op.Return
}
func (o *CloneResponse) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRResponse(ctx, w)
}
func (o *CloneResponse) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_CloneOperation{}
	if err := _o.UnmarshalNDRResponse(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// xxx_NextOperation structure represents the Next operation
type xxx_NextOperation struct {
	This             *dcom.ORPCThis  `idl:"name:This" json:"this"`
	That             *dcom.ORPCThat  `idl:"name:That" json:"that"`
	RequestElemCount uint32          `idl:"name:cReqElem" json:"request_elem_count"`
	Interface        []*dcom.Unknown `idl:"name:ppInterface;size_is:(cReqElem);length_is:(cRetElem)" json:"interface"`
	ReturnElemCount  uint32          `idl:"name:cRetElem" json:"return_elem_count"`
	Return           int32           `idl:"name:Return" json:"return"`
}

func (o *xxx_NextOperation) OpNum() int { return 4 }

func (o *xxx_NextOperation) OpName() string { return "/IEnumEventObject/v0/Next" }

func (o *xxx_NextOperation) xxx_PrepareRequestPayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareRequestPayload(context.Context) error }); ok {
		if err := hook.AfterPrepareRequestPayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_NextOperation) MarshalNDRRequest(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareRequestPayload(ctx); err != nil {
		return err
	}
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This != nil {
			if err := o.This.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThis{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// cReqElem {in} (1:{alias=ULONG}(uint32))
	{
		if err := w.WriteData(o.RequestElemCount); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_NextOperation) UnmarshalNDRRequest(ctx context.Context, w ndr.Reader) error {
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This == nil {
			o.This = &dcom.ORPCThis{}
		}
		if err := o.This.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// cReqElem {in} (1:{alias=ULONG}(uint32))
	{
		if err := w.ReadData(&o.RequestElemCount); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_NextOperation) xxx_PrepareResponsePayload(ctx context.Context) error {
	if o.Interface != nil && o.ReturnElemCount == 0 {
		o.ReturnElemCount = uint32(len(o.Interface))
	}
	if hook, ok := (interface{})(o).(interface{ AfterPrepareResponsePayload(context.Context) error }); ok {
		if err := hook.AfterPrepareResponsePayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_NextOperation) MarshalNDRResponse(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareResponsePayload(ctx); err != nil {
		return err
	}
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That != nil {
			if err := o.That.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThat{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// ppInterface {out} (1:{pointer=ref}*(1)[dim:0,size_is=cReqElem,length_is=cRetElem]*(1))(2:{alias=IUnknown}(interface))
	{
		dimSize1 := uint64(o.RequestElemCount)
		if err := w.WriteSize(dimSize1); err != nil {
			return err
		}
		sizeInfo := []uint64{
			dimSize1,
		}
		dimLength1 := uint64(o.ReturnElemCount)
		if dimLength1 > sizeInfo[0] {
			dimLength1 = sizeInfo[0]
		} else {
			sizeInfo[0] = dimLength1
		}
		if err := w.WriteSize(0); err != nil {
			return err
		}
		if err := w.WriteSize(dimLength1); err != nil {
			return err
		}
		for i1 := range o.Interface {
			i1 := i1
			if uint64(i1) >= sizeInfo[0] {
				break
			}
			if o.Interface[i1] != nil {
				_ptr_ppInterface := ndr.MarshalNDRFunc(func(ctx context.Context, w ndr.Writer) error {
					if o.Interface[i1] != nil {
						if err := o.Interface[i1].MarshalNDR(ctx, w); err != nil {
							return err
						}
					} else {
						if err := (&dcom.Unknown{}).MarshalNDR(ctx, w); err != nil {
							return err
						}
					}
					return nil
				})
				if err := w.WritePointer(&o.Interface[i1], _ptr_ppInterface); err != nil {
					return err
				}
			} else {
				if err := w.WritePointer(nil); err != nil {
					return err
				}
			}
		}
		for i1 := len(o.Interface); uint64(i1) < sizeInfo[0]; i1++ {
			if err := w.WritePointer(nil); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// cRetElem {out} (1:{pointer=ref}*(1))(2:{alias=ULONG}(uint32))
	{
		if err := w.WriteData(o.ReturnElemCount); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.WriteData(o.Return); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_NextOperation) UnmarshalNDRResponse(ctx context.Context, w ndr.Reader) error {
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That == nil {
			o.That = &dcom.ORPCThat{}
		}
		if err := o.That.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// ppInterface {out} (1:{pointer=ref}*(1)[dim:0,size_is=cReqElem,length_is=cRetElem]*(1))(2:{alias=IUnknown}(interface))
	{
		sizeInfo := []uint64{
			0,
		}
		for sz1 := range sizeInfo {
			if err := w.ReadSize(&sizeInfo[sz1]); err != nil {
				return err
			}
		}
		for sz1 := range sizeInfo {
			if err := w.ReadSize(&sizeInfo[sz1]); err != nil {
				return err
			}
			if err := w.ReadSize(&sizeInfo[sz1]); err != nil {
				return err
			}
		}
		if sizeInfo[0] > uint64(w.Len()) /* sanity-check */ {
			return fmt.Errorf("buffer overflow for size %d of array o.Interface", sizeInfo[0])
		}
		o.Interface = make([]*dcom.Unknown, sizeInfo[0])
		for i1 := range o.Interface {
			i1 := i1
			_ptr_ppInterface := ndr.UnmarshalNDRFunc(func(ctx context.Context, w ndr.Reader) error {
				if o.Interface[i1] == nil {
					o.Interface[i1] = &dcom.Unknown{}
				}
				if err := o.Interface[i1].UnmarshalNDR(ctx, w); err != nil {
					return err
				}
				return nil
			})
			_s_ppInterface := func(ptr interface{}) { o.Interface[i1] = *ptr.(**dcom.Unknown) }
			if err := w.ReadPointer(&o.Interface[i1], _s_ppInterface, _ptr_ppInterface); err != nil {
				return err
			}
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// cRetElem {out} (1:{pointer=ref}*(1))(2:{alias=ULONG}(uint32))
	{
		if err := w.ReadData(&o.ReturnElemCount); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.ReadData(&o.Return); err != nil {
			return err
		}
	}
	return nil
}

// NextRequest structure represents the Next operation request
type NextRequest struct {
	// This: ORPCTHIS structure that is used to send ORPC extension data to the server.
	This *dcom.ORPCThis `idl:"name:This" json:"this"`
	// cReqElem: The number of elements requested by the client to return from the collection.
	RequestElemCount uint32 `idl:"name:cReqElem" json:"request_elem_count"`
}

func (o *NextRequest) xxx_ToOp(ctx context.Context, op *xxx_NextOperation) *xxx_NextOperation {
	if op == nil {
		op = &xxx_NextOperation{}
	}
	if o == nil {
		return op
	}
	op.This = o.This
	op.RequestElemCount = o.RequestElemCount
	return op
}

func (o *NextRequest) xxx_FromOp(ctx context.Context, op *xxx_NextOperation) {
	if o == nil {
		return
	}
	o.This = op.This
	o.RequestElemCount = op.RequestElemCount
}
func (o *NextRequest) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRRequest(ctx, w)
}
func (o *NextRequest) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_NextOperation{}
	if err := _o.UnmarshalNDRRequest(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// NextResponse structure represents the Next operation response
type NextResponse struct {
	// XXX: cReqElem is an implicit input depedency for output parameters
	RequestElemCount uint32 `idl:"name:cReqElem" json:"request_elem_count"`

	// That: ORPCTHAT structure that is used to return ORPC extension data to the client.
	That *dcom.ORPCThat `idl:"name:That" json:"that"`
	// ppInterface: If the function returns a success HRESULT, this MUST contain an array
	// of interface pointers of size cRetElem. Each element in the array MUST be either
	// a DCOM object supporting the IEventClass2 interface if the underlying collection
	// is of EventClasses or the element MUST be a DCOM object supporting IEventSubscription
	// DCOM interface if the underlying collection is of subscriptions.
	Interface []*dcom.Unknown `idl:"name:ppInterface;size_is:(cReqElem);length_is:(cRetElem)" json:"interface"`
	// cRetElem: If the function returns a success HRESULT, this MUST contain a number of
	// items returned in the array contained in ppInterface.
	ReturnElemCount uint32 `idl:"name:cRetElem" json:"return_elem_count"`
	// Return: The Next return value.
	Return int32 `idl:"name:Return" json:"return"`
}

func (o *NextResponse) xxx_ToOp(ctx context.Context, op *xxx_NextOperation) *xxx_NextOperation {
	if op == nil {
		op = &xxx_NextOperation{}
	}
	if o == nil {
		return op
	}
	// XXX: implicit input dependencies for output parameters
	if op.RequestElemCount == uint32(0) {
		op.RequestElemCount = o.RequestElemCount
	}

	op.That = o.That
	op.Interface = o.Interface
	op.ReturnElemCount = o.ReturnElemCount
	op.Return = o.Return
	return op
}

func (o *NextResponse) xxx_FromOp(ctx context.Context, op *xxx_NextOperation) {
	if o == nil {
		return
	}
	// XXX: implicit input dependencies for output parameters
	o.RequestElemCount = op.RequestElemCount

	o.That = op.That
	o.Interface = op.Interface
	o.ReturnElemCount = op.ReturnElemCount
	o.Return = op.Return
}
func (o *NextResponse) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRResponse(ctx, w)
}
func (o *NextResponse) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_NextOperation{}
	if err := _o.UnmarshalNDRResponse(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// xxx_ResetOperation structure represents the Reset operation
type xxx_ResetOperation struct {
	This   *dcom.ORPCThis `idl:"name:This" json:"this"`
	That   *dcom.ORPCThat `idl:"name:That" json:"that"`
	Return int32          `idl:"name:Return" json:"return"`
}

func (o *xxx_ResetOperation) OpNum() int { return 5 }

func (o *xxx_ResetOperation) OpName() string { return "/IEnumEventObject/v0/Reset" }

func (o *xxx_ResetOperation) xxx_PrepareRequestPayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareRequestPayload(context.Context) error }); ok {
		if err := hook.AfterPrepareRequestPayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_ResetOperation) MarshalNDRRequest(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareRequestPayload(ctx); err != nil {
		return err
	}
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This != nil {
			if err := o.This.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThis{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_ResetOperation) UnmarshalNDRRequest(ctx context.Context, w ndr.Reader) error {
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This == nil {
			o.This = &dcom.ORPCThis{}
		}
		if err := o.This.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_ResetOperation) xxx_PrepareResponsePayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareResponsePayload(context.Context) error }); ok {
		if err := hook.AfterPrepareResponsePayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_ResetOperation) MarshalNDRResponse(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareResponsePayload(ctx); err != nil {
		return err
	}
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That != nil {
			if err := o.That.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThat{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.WriteData(o.Return); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_ResetOperation) UnmarshalNDRResponse(ctx context.Context, w ndr.Reader) error {
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That == nil {
			o.That = &dcom.ORPCThat{}
		}
		if err := o.That.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.ReadData(&o.Return); err != nil {
			return err
		}
	}
	return nil
}

// ResetRequest structure represents the Reset operation request
type ResetRequest struct {
	// This: ORPCTHIS structure that is used to send ORPC extension data to the server.
	This *dcom.ORPCThis `idl:"name:This" json:"this"`
}

func (o *ResetRequest) xxx_ToOp(ctx context.Context, op *xxx_ResetOperation) *xxx_ResetOperation {
	if op == nil {
		op = &xxx_ResetOperation{}
	}
	if o == nil {
		return op
	}
	op.This = o.This
	return op
}

func (o *ResetRequest) xxx_FromOp(ctx context.Context, op *xxx_ResetOperation) {
	if o == nil {
		return
	}
	o.This = op.This
}
func (o *ResetRequest) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRRequest(ctx, w)
}
func (o *ResetRequest) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_ResetOperation{}
	if err := _o.UnmarshalNDRRequest(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// ResetResponse structure represents the Reset operation response
type ResetResponse struct {
	// That: ORPCTHAT structure that is used to return ORPC extension data to the client.
	That *dcom.ORPCThat `idl:"name:That" json:"that"`
	// Return: The Reset return value.
	Return int32 `idl:"name:Return" json:"return"`
}

func (o *ResetResponse) xxx_ToOp(ctx context.Context, op *xxx_ResetOperation) *xxx_ResetOperation {
	if op == nil {
		op = &xxx_ResetOperation{}
	}
	if o == nil {
		return op
	}
	op.That = o.That
	op.Return = o.Return
	return op
}

func (o *ResetResponse) xxx_FromOp(ctx context.Context, op *xxx_ResetOperation) {
	if o == nil {
		return
	}
	o.That = op.That
	o.Return = op.Return
}
func (o *ResetResponse) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRResponse(ctx, w)
}
func (o *ResetResponse) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_ResetOperation{}
	if err := _o.UnmarshalNDRResponse(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// xxx_SkipOperation structure represents the Skip operation
type xxx_SkipOperation struct {
	This          *dcom.ORPCThis `idl:"name:This" json:"this"`
	That          *dcom.ORPCThat `idl:"name:That" json:"that"`
	SkipElemCount uint32         `idl:"name:cSkipElem" json:"skip_elem_count"`
	Return        int32          `idl:"name:Return" json:"return"`
}

func (o *xxx_SkipOperation) OpNum() int { return 6 }

func (o *xxx_SkipOperation) OpName() string { return "/IEnumEventObject/v0/Skip" }

func (o *xxx_SkipOperation) xxx_PrepareRequestPayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareRequestPayload(context.Context) error }); ok {
		if err := hook.AfterPrepareRequestPayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_SkipOperation) MarshalNDRRequest(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareRequestPayload(ctx); err != nil {
		return err
	}
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This != nil {
			if err := o.This.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThis{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// cSkipElem {in} (1:{alias=ULONG}(uint32))
	{
		if err := w.WriteData(o.SkipElemCount); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_SkipOperation) UnmarshalNDRRequest(ctx context.Context, w ndr.Reader) error {
	// This {in} (1:{alias=ORPCTHIS}(struct))
	{
		if o.This == nil {
			o.This = &dcom.ORPCThis{}
		}
		if err := o.This.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// cSkipElem {in} (1:{alias=ULONG}(uint32))
	{
		if err := w.ReadData(&o.SkipElemCount); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_SkipOperation) xxx_PrepareResponsePayload(ctx context.Context) error {
	if hook, ok := (interface{})(o).(interface{ AfterPrepareResponsePayload(context.Context) error }); ok {
		if err := hook.AfterPrepareResponsePayload(ctx); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_SkipOperation) MarshalNDRResponse(ctx context.Context, w ndr.Writer) error {
	if err := o.xxx_PrepareResponsePayload(ctx); err != nil {
		return err
	}
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That != nil {
			if err := o.That.MarshalNDR(ctx, w); err != nil {
				return err
			}
		} else {
			if err := (&dcom.ORPCThat{}).MarshalNDR(ctx, w); err != nil {
				return err
			}
		}
		if err := w.WriteDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.WriteData(o.Return); err != nil {
			return err
		}
	}
	return nil
}

func (o *xxx_SkipOperation) UnmarshalNDRResponse(ctx context.Context, w ndr.Reader) error {
	// That {out} (1:{alias=ORPCTHAT}(struct))
	{
		if o.That == nil {
			o.That = &dcom.ORPCThat{}
		}
		if err := o.That.UnmarshalNDR(ctx, w); err != nil {
			return err
		}
		if err := w.ReadDeferred(); err != nil {
			return err
		}
	}
	// Return {out} (1:{alias=HRESULT, names=LONG}(int32))
	{
		if err := w.ReadData(&o.Return); err != nil {
			return err
		}
	}
	return nil
}

// SkipRequest structure represents the Skip operation request
type SkipRequest struct {
	// This: ORPCTHIS structure that is used to send ORPC extension data to the server.
	This *dcom.ORPCThis `idl:"name:This" json:"this"`
	// cSkipElem: The number of elements to skip ahead in the collection.
	SkipElemCount uint32 `idl:"name:cSkipElem" json:"skip_elem_count"`
}

func (o *SkipRequest) xxx_ToOp(ctx context.Context, op *xxx_SkipOperation) *xxx_SkipOperation {
	if op == nil {
		op = &xxx_SkipOperation{}
	}
	if o == nil {
		return op
	}
	op.This = o.This
	op.SkipElemCount = o.SkipElemCount
	return op
}

func (o *SkipRequest) xxx_FromOp(ctx context.Context, op *xxx_SkipOperation) {
	if o == nil {
		return
	}
	o.This = op.This
	o.SkipElemCount = op.SkipElemCount
}
func (o *SkipRequest) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRRequest(ctx, w)
}
func (o *SkipRequest) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_SkipOperation{}
	if err := _o.UnmarshalNDRRequest(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}

// SkipResponse structure represents the Skip operation response
type SkipResponse struct {
	// That: ORPCTHAT structure that is used to return ORPC extension data to the client.
	That *dcom.ORPCThat `idl:"name:That" json:"that"`
	// Return: The Skip return value.
	Return int32 `idl:"name:Return" json:"return"`
}

func (o *SkipResponse) xxx_ToOp(ctx context.Context, op *xxx_SkipOperation) *xxx_SkipOperation {
	if op == nil {
		op = &xxx_SkipOperation{}
	}
	if o == nil {
		return op
	}
	op.That = o.That
	op.Return = o.Return
	return op
}

func (o *SkipResponse) xxx_FromOp(ctx context.Context, op *xxx_SkipOperation) {
	if o == nil {
		return
	}
	o.That = op.That
	o.Return = op.Return
}
func (o *SkipResponse) MarshalNDR(ctx context.Context, w ndr.Writer) error {
	return o.xxx_ToOp(ctx, nil).MarshalNDRResponse(ctx, w)
}
func (o *SkipResponse) UnmarshalNDR(ctx context.Context, r ndr.Reader) error {
	_o := &xxx_SkipOperation{}
	if err := _o.UnmarshalNDRResponse(ctx, r); err != nil {
		return err
	}
	o.xxx_FromOp(ctx, _o)
	return nil
}