Hello,

I try to get a Gid23 from an appointment, using this XML:

<GetItem xmlns="http://schemas.microsoft.com/exchange/services/2006/
messages">
      <ItemShape>
        <t:BaseShape>IdOnly</t:BaseShape>
        <t:AdditionalProperties>
           <t:ExtendedFieldURI
PropertySetId="6ED8DA90-450B-101B-98DA-00AA003F1305"
PropertyName="Gid23" PropertyType="Binary"/> <!-- first try -->
           <t:ExtendedFieldURI
PropertySetId="6ED8DA90-450B-101B-98DA-00AA003F1305"
PropertyId="00030102" PropertyType="Binary"/> <!-- second try -->
           <t:ExtendedFieldURI
PropertySetId="6ED8DA90-450B-101B-98DA-00AA003F1305"
PropertyId="30102" PropertyType="Binary"/> <!-- third try -->
        </t:AdditionalProperties>
      </ItemShape>

The XML is accepted by the Exchange 2007 server (Success response),
but the required propertie is not returned,

Does anyone have any idea about that ?

Thanks,

Dom.

If its a custom property that GUID doesn't look right you should be using
the PublicStrings GUID 00020329-0000-0000-C000-000000000046 or its easier
just to use the DistinguishedPropertySetId eg

<t:ExtendedFieldURI DistinguishedPropertySetId="PublicStrings"
PropertyName="Gid23" PropertyType="Integer"/>

You might want to try confirming this using a mapi editor first

Cheers
Glen



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Hello Glen,

I've tried all this combinations:

           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings" PropertyName="Gid23"
PropertyType="Binary"/>
           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings"
PropertyName="cleanglobalobjid" PropertyType="Binary"/>
           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings" PropertyName="global_objid"
PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="cleanglobalobjid"
PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="global_objid" PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="Gid23" PropertyType="Binary"/>

but the Exchange 2007 Server's bahaviour remains the same: "Success
response", but no propertie returned.....

Dom.

What does the full xml of your request look like in your previous post you
had the shape set to IdOnly you might want to try changing this to Default
or AllProperties.

Cheers
Glen


I
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Here is the full XML of my request:

<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xmlns:xsd="http://www.w3.org/2001/XMLSchema"
               xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
               xmlns:t="http://schemas.microsoft.com/exchange/services/
2006/types">
  <soap:Body>
    <GetItem xmlns="http://schemas.microsoft.com/exchange/services/
2006/messages">
      <ItemShape>
        <t:BaseShape>AllProperties</t:BaseShape>
        <t:AdditionalProperties>
           <t:ExtendedFieldURI
PropertySetId="6ED8DA90-450B-101B-98DA-00AA003F1305"
PropertyName="Gid23" PropertyType="Binary"/> <!-- first try -->
           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings" PropertyName="Gid23"
PropertyType="Binary"/>
           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings"
PropertyName="cleanglobalobjid" PropertyType="Binary"/>
           <t:ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings" PropertyName="global_objid"
PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="cleanglobalobjid"
PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="global_objid" PropertyType="Binary"/>
           <t:ExtendedFieldURI PropertySetId="00020329-0000-0000-
C000-000000000046" PropertyName="Gid23" PropertyType="Binary"/>
        </t:AdditionalProperties>
      </ItemShape>
      <ItemIds>
        <t:ItemId
Id="AQAbAHRlc3Rkb21AYWxleGNoMjAwADcuYWw2NC5jb20ARgAAA1H9bvIF4HJKp52BLKV2tAYHAPCW3xic6cNDvJShVPo
+lQAABEcAAADwlt8YnOnDQ7yUoVT6PpUAAAByqWGc9AAAAA=="
ChangeKey="DwAAABYAAADwlt8YnOnDQ7yUoVT6PpUAAHKpYfzx" />
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>

Changing the BaseShape propertie to 'Default', 'AllProperties' or
'IdOnly' has no effect on the result.

It really seems that there is a matter to get the custom properties
with GetItem method.....

Dom.

The following works okay for me to retrieve a custom property which is a
string


<?xml version="1.0" encoding="utf-8"?><soap:Envelope
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><GetItem
xmlns="http://schemas.microsoft.com/exchange/services/2006/messages"><ItemShape><BaseShape
xmlns="http://schemas.microsoft.com/exchange/services/2006/types">AllProperties</BaseShape><AdditionalProperties
xmlns="http://schemas.microsoft.com/exchange/services/2006/types"><ExtendedFieldURI
DistinguishedPropertySetId="PublicStrings" PropertyName="MycustomProp"
PropertyType="String" /></AdditionalProperties></ItemShape><ItemIds><ItemId
Id="AAAm=" ChangeKey="DwAAACREmDP"
xmlns="http://schemas.microsoft.com/exchange/services/2006/types"
/></ItemIds></GetItem></soap:Body></soap:Envelope>

proxy Code


                        PathToExtendedFieldType epExPath1 = new
PathToExtendedFieldType();
                        epExPath1.DistinguishedPropertySetId =
DistinguishedPropertySetType.PublicStrings;
                        epExPath1.DistinguishedPropertySetIdSpecified =
true;
                        epExPath1.PropertyName = "MycustomProp";
                        epExPath1.PropertyType =
MapiPropertyTypeType.String;

                        GetItemType giRequest = new GetItemType();
                        ItemIdType iiItemId = new ItemIdType();
                        iiItemId.Id = miMailboxItem.ItemId.Id;
                        iiItemId.ChangeKey = miMailboxItem.ItemId.ChangeKey;
                        ItemResponseShapeType giResponseShape = new
ItemResponseShapeType();
                        giResponseShape.BaseShape =
DefaultShapeNamesType.AllProperties;
                        giResponseShape.IncludeMimeContent = true;
                        giRequest.ItemShape = giResponseShape;
                        giRequest.ItemShape.AdditionalProperties = new
BasePathToElementType[1];
                        giRequest.ItemShape.AdditionalProperties[0] =
epExPath1;
                        giRequest.ItemIds = new ItemIdType[1];
                        giRequest.ItemIds[0] = iiItemId;
                        giRequest.ItemShape.BaseShape =
DefaultShapeNamesType.AllProperties;

                        GetItemResponseType giResponse =
esb.GetItem(giRequest);
                        if
(giResponse.ResponseMessages.Items[0].ResponseClass ==
                        ResponseClassType.Error)
                        {
                            Console.WriteLine("Error Occured");
                            Console.WriteLine(giResponse.ResponseMessages.Items[0].MessageText);
                        }
                        else
                        {
                            ItemInfoResponseMessageType rmResponseMessage =
                            giResponse.ResponseMessages.Items[0] as
ItemInfoResponseMessageType;
                            CalendarItemType ciCalentry =
(CalendarItemType)rmResponseMessage.Items.Items[0];
                            Console.WriteLine(ciCalentry.ExtendedProperty[0].Item.ToString());
                        }


Cheers
Glen'

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Your XML works ok for me too, i can retrieve a custom propertie that i
had created with the UpdateItem xml for example.

Maybe i'm wrong when i use 'PublicStrings' to access the propertie i
want to retrieve: the Global Object Id.

Does this propertie belongs to the 'PublicStrings' namespace ? if so,
what's her name ?
And if not, how can it be retrived with ews ?

Thanks,

Dom.

Hi,

the global object id (when referring tot the calendar item global object id)
lives in another namespace.

Property-ID: 0x3
PropertySet: DistinguishedPropertySetType.Meeting

Kind regards,
Henning Krause

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Thank you very much Henning, it's exactly what i was looking for, and
my request works fine now !!
(thanks Glen too)

An ultimate question: how did you do to find this answer ? in other
words, is there a way to know the EWS namespaces corresponding to the
other properties ?

Thanks a lot,

Dom.

Hi Dom,

those are just MAPI properties which have been around for years.

In Exchange 2003, the notation was different, but the identifiers were the
same.

Kind regards,
Henning Krause

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migrate 2003 to 2007
Adding disclaimer
Store Event Sink in Exchange 2007 using CDOEX
Exchange 2007 appointment creation using a POST request return HTTP 403 (forbiden)
Exchange 2007 - problem retrieving timezone