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Wednesday, May 07, 2008 5:00 AM

Generating Types with Lists

I have a data contract that contains a collection type but the generated proxy appears as an array. How can I make the proxy use a collection type as well? I've talked in the past about how the representation of a type in metadata is decoupled from the
Posted by Nicholas Allen | 1 Comments
Monday, May 05, 2008 5:00 AM

Private Data Members

Why does a data contract with private or internal members generate a proxy with public fields? The obvious answer is that the representation for data contracts doesn't contain information about member visibility but that just leads to the question of
Posted by Nicholas Allen | 1 Comments
Friday, April 25, 2008 5:00 AM

Messaging Additions in Orcas

I've had scattered posts in the past talking about the messaging features and enhancements in Orcas. Over the next few days I'm going to be doing a bit of consolidating to organize that information into a few listings of the top changes using reasonably
Posted by Nicholas Allen | 6 Comments
Wednesday, April 23, 2008 5:00 AM

Manual Context Management

How do I manually manage the context when sharing a client object? The default mode when using a context binding is for the context to be managed internally by the context channel underneath the client proxy. This is similar to how by default cookies
Posted by Nicholas Allen | 1 Comments
Friday, April 11, 2008 5:00 AM

Passing Around Endpoints

Can I construct a proxy object on one machine and pass it to another? No, there's no concept in WCF of sending a fully constructed proxy object from one place to another. Consider that there are two different things that "passing" a proxy object could
Posted by Nicholas Allen | 1 Comments
Thursday, January 31, 2008 5:00 AM

Differences in Guid Serialization

Why do the guids in my contract turn into strings when generating a client? You're probably mixing different types of serializers between the client and service. There's nothing wrong with this and the generated client will work correctly but you don't
Posted by Nicholas Allen | 5 Comments
Monday, January 28, 2008 5:00 AM

A Proxy Proxy Factory

I have a system that sometimes uses a fast local object and sometimes needs to communicate over a network. I have built a proxy object that wraps the proxy factory for creating typed proxies together with a proxy factory for creating local objects. Are
Posted by Nicholas Allen | 3 Comments
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Wednesday, December 26, 2007 5:00 AM

Sharing Contracts Across Services

I've deployed several services that share some of their data contracts. When I build a client application that calls more than one of the services, each service contributes a copy of the data contract during proxy generation. This causes a compile error
Posted by Nicholas Allen | 3 Comments
Tuesday, October 30, 2007 5:00 AM

Better Proxy Clients

I was in a meeting last week with a few WCF users at Microsoft when they asked about performance issues creating client proxies. The first service pack for WCF, which ships at the same time as Orcas, includes some performance fixes for the most frequently
Posted by Nicholas Allen | 0 Comments
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Monday, August 13, 2007 5:00 AM

Service Contract Generation

In the post on custom namespaces a few days ago, I used svcutil to generate the service WSDL and schema description. This use of svcutil is apparently not as well understood so I thought I'd give some more details. The typical use of these programs is
Posted by Nicholas Allen | 1 Comments
Thursday, August 09, 2007 5:00 AM

Calling Services Without a Contract

Contracts are largely an illusion about the kinds of messages that can be exchanged between a client and a server. From a practical perspective, a service can describe itself using any contract it likes but the true measure of compatibility comes from
Posted by Nicholas Allen | 4 Comments
Tuesday, August 07, 2007 5:00 AM

Increasing the Maximum Fault Size

When the service sends a fault message with a large detail, my client is unable to read the fault. Changing the standard settings for the maximum message size doesn't help. How can I read large fault messages? Fault messages have their own special quota
Posted by Nicholas Allen | 1 Comments
Thursday, July 19, 2007 5:00 AM

Svcutil Tips

Two answers in one today on the subject of svcutil. How do I merge together configuration files like Visual Studio does with multiple web references? Use svcutil.exe with the /mergeConfig option. How do I pass credentials when accessing metadata from
Posted by Nicholas Allen | 2 Comments
Monday, July 16, 2007 5:00 AM

Local Settings and Policy

You have talked in the past about how a service has both local settings and settings that are shared through policy. How can I transmit all settings through policy to the client? The two types of settings are clearly distinguishable. Shared settings are
Posted by Nicholas Allen | 1 Comments
Tuesday, July 10, 2007 5:00 AM

ChannelFactory Behaviors

How do I attach a custom behavior to a dynamically generated proxy object? This one should be easy if you've read the past two articles about modifying a ChannelFactory after creation. Although behaviors can't be specified while creating the ChannelFactory,
Posted by Nicholas Allen | 5 Comments
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