/// <summary>
 /// Writes the attributes to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 internal override void WriteAttributesToXml(EwsServiceXmlWriter writer)
 {
     if (this.serviceObjType == ServiceObjectType.Item)
     {
         writer.WriteAttributeValue(XmlAttributeNames.Traversal, this.Traversal);
     }
 }

        /// <summary>
        /// Write to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void InternalWriteViewToXml(EwsServiceXmlWriter writer)
        {
            base.InternalWriteViewToXml(writer);

            writer.WriteAttributeValue(XmlAttributeNames.Offset, this.Offset);
            writer.WriteAttributeValue(XmlAttributeNames.BasePoint, this.OffsetBasePoint);
        }

 /// <summary>
 /// Internals the write search settings to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 /// <param name="groupBy">The group by clause.</param>
 internal override void InternalWriteSearchSettingsToXml(EwsServiceXmlWriter writer, Grouping groupBy)
 {
     if (groupBy != null)
     {
         groupBy.WriteToXml(writer);
     }
 }

 /// <summary>
 /// Writes elements to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
 {
     writer.WriteElementValue(
         XmlNamespace.Types,
         XmlElementNames.StartDate,
         EwsUtilities.DateTimeToXSDate(this.StartDate));
 }

 /// <summary>
 /// Writes elements to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
 {
     if (this.Content != null && this.Content.Length > 0)
     {
         writer.WriteBase64ElementValue(this.Content);
     }
 }

        /// <summary>
        /// Writes to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        /// <param name="propertyBag">The property bag.</param>
        /// <param name="isUpdateOperation">Indicates whether the context is an update operation.</param>
        internal override void WritePropertyValueToXml(
            EwsServiceXmlWriter writer,
            PropertyBag propertyBag,
            bool isUpdateOperation)
        {
            object value = propertyBag[this];

            if (value != null)
            {
                if (writer.Service.RequestedServerVersion == ExchangeVersion.Exchange2007_SP1)
                {
                    ExchangeService service = writer.Service as ExchangeService;
                    if (service != null && service.Exchange2007CompatibilityMode == false)
                    {
                        MeetingTimeZone meetingTimeZone = new MeetingTimeZone((TimeZoneInfo)value);
                        meetingTimeZone.WriteToXml(writer, XmlElementNames.MeetingTimeZone);
                    }
                }
                else
                {
                    base.WritePropertyValueToXml(
                        writer,
                        propertyBag,
                        isUpdateOperation);
                }
            }
        }

 /// <summary>
 /// Writes elements to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
 {
     if (null != this.clientExtension)
     {
         this.clientExtension.WriteToXml(writer, XmlNamespace.Types, XmlElementNames.ClientExtension);
     }
 }

        /// <summary>
        /// Writes the elements to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            writer.WriteStartElement(XmlNamespace.Types, XmlElementNames.Mailbox);
            writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.Address, this.SmtpAddress);
            writer.WriteEndElement(); // Mailbox

            this.OofSettings.WriteToXml(writer, XmlElementNames.UserOofSettings);
        }

        /// <summary>
        /// Writes XML elements.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            writer.WriteStartElement(XmlNamespace.Messages, XmlElementNames.Manifest);

            writer.WriteBase64ElementValue(manifestStream);
            
            writer.WriteEndElement();
        }

        /// <summary>
        /// Writes elements to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            base.WriteElementsToXml(writer);

            writer.WriteElementValue(
                XmlNamespace.Types,
                XmlElementNames.DateTime,
                this.dateTime);
        }

 /// <summary>
 /// Writes the elements to XML.
 /// </summary>
 /// <param name="writer">The writer.</param>
 internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
 {
     foreach (byte[] item in this.content)
     {
         writer.WriteStartElement(XmlNamespace.Types, ByteArrayArray.ItemXmlElementName);
         writer.WriteBase64ElementValue(item);
         writer.WriteEndElement();
     }
 }

        /// <summary>
        /// Writes this view to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal virtual void InternalWriteViewToXml(EwsServiceXmlWriter writer)
        {
            int? maxEntriesReturned = this.GetMaxEntriesReturned();

            if (maxEntriesReturned.HasValue)
            {
                writer.WriteAttributeValue(XmlAttributeNames.MaxEntriesReturned, maxEntriesReturned.Value);
            }
        }

        /// <summary>
        /// Writes attributes to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteAttributesToXml(EwsServiceXmlWriter writer)
        {
            writer.WriteAttributeValue(XmlAttributeNames.SetClientExtensionActionId, this.setClientExtensionActionId);

            if (!string.IsNullOrEmpty(this.extensionId))
            {
                writer.WriteAttributeValue(XmlAttributeNames.ClientExtensionId, this.extensionId);
            }
        }

            /// <summary>
            /// Write properties to XML.
            /// </summary>
            /// <param name="writer">The writer.</param>
            internal override void InternalWritePropertiesToXml(EwsServiceXmlWriter writer)
            {
                base.InternalWritePropertiesToXml(writer);

                writer.WriteElementValue(
                    XmlNamespace.Types,
                    XmlElementNames.Interval,
                    this.Interval);
            }

        /// <summary>
        /// Writes XML elements for GetPeopleInsights request
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            writer.WriteStartElement(XmlNamespace.Messages, XmlElementNames.EmailAddresses);

            foreach (string emailAddress in this.Emailaddresses)
            {
                writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.String, emailAddress);
            }

            writer.WriteEndElement();
        }

        /// <summary>
        /// Writes the attributes to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteAttributesToXml(EwsServiceXmlWriter writer)
        {
            if (this.Traversal.HasValue)
            {
                writer.WriteAttributeValue(XmlAttributeNames.Traversal, this.Traversal);
            }

            if (this.ViewFilter.HasValue)
            {
                writer.WriteAttributeValue(XmlAttributeNames.ViewFilter, this.ViewFilter);
            }
        }

        /// <summary>
        /// Writes the elements to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            base.WriteElementsToXml(writer);

            if (this.NumberOfOccurrences.HasValue)
            {
                writer.WriteElementValue(
                    XmlNamespace.Types,
                    XmlElementNames.NumberOfOccurrences,
                    this.NumberOfOccurrences);
            }
        }

        /// <summary>
        /// Writes to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        /// <param name="propertyBag">The property bag.</param>
        /// <param name="isUpdateOperation">Indicates whether the context is an update operation.</param>
        internal override void WritePropertyValueToXml(
            EwsServiceXmlWriter writer,
            PropertyBag propertyBag,
            bool isUpdateOperation)
        {
            MeetingTimeZone value = (MeetingTimeZone)propertyBag[this];

            if (value != null)
            {
                value.WriteToXml(writer, this.XmlElementName);
            }
        }

        /// <summary>
        /// Writes elements to XML.
        /// </summary>
        /// <param name="writer">The writer.</param>
        internal override void WriteElementsToXml(EwsServiceXmlWriter writer)
        {
            writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.FlagStatus, this.FlagStatus);

            if (this.FlagStatus == ItemFlagStatus.Flagged)
            {
                writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.StartDate, this.StartDate);
                writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.DueDate, this.DueDate);
            }
            else if (this.FlagStatus == ItemFlagStatus.Complete)
            {
                writer.WriteElementValue(XmlNamespace.Types, XmlElementNames.CompleteDate, this.CompleteDate);
            }
        }

            /// <summary>
            /// Write properties to XML.
            /// </summary>
            /// <param name="writer">The writer.</param>
            internal override void InternalWritePropertiesToXml(EwsServiceXmlWriter writer)
            {
                base.InternalWritePropertiesToXml(writer);

                writer.WriteElementValue(
                    XmlNamespace.Types,
                    XmlElementNames.DaysOfWeek,
                    this.DayOfTheWeek);

                writer.WriteElementValue(
                    XmlNamespace.Types,
                    XmlElementNames.DayOfWeekIndex,
                    this.DayOfTheWeekIndex);
            }