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August 2009 - Posts

HTTP polling duplex - Performance

Note: Cross posted from Sajay . Permalink Really good article on Performance of HTTP polling duplex server-side channel in Microsoft Silverlight 3 by Tomek from the ServiceModel/SL team. http://tomasz.janczuk.org/2009/08/performance-of-http-polling-duplex.htm Read More...
Posted Friday, August 28, 2009 8:41 AM by Sajay | 0 Comments

Applying behaviors on the client channel

Note: Cross posted from Sajay . Permalink When we need to modify or see the message before its sent or after its received, we generally can use a Message inspector. However sometimes we want to be a bit more granular. One such requirement was to perform Read More...
Posted Friday, August 28, 2009 12:58 AM by Sajay | 0 Comments

WCF 4: AddDefaultEndpoints

Note: Cross posted from Sajay . Permalink Here is another little goodie we have which will help in reducing configuration. You can use the ServiceHostBase.AddDefaultEndpoints which will pretty much probe your service implementation for contracts and expose Read More...
Posted Monday, August 17, 2009 5:38 PM by Sajay | 0 Comments
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How do I get the workflow InstanceId?

Note: Cross posted from Sajay . Permalink You can use a CodeActivity that returns a single result . public sealed class GetWorkflowInstanceId : CodeActivity<Guid> { protected override Guid Execute(CodeActivityContext context) { return context.WorkflowInstanceId; Read More...
Posted Friday, August 14, 2009 7:43 PM by Sajay | 0 Comments
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Hello World Workflow Service 4.0

Note: Cross posted from Sajay . Permalink Building a workflow service using 4.0 gives a very neat set of capabilities from both WF and WCF. Similar to WCF we can fully define a workflow either in code or otherwise just using Xaml. Here I chose a fully Read More...
Posted Thursday, August 13, 2009 9:53 PM by Sajay | 0 Comments

Attachment(s): Program.cs

Channel9: Monitoring WF Services

Note: Cross posted from Sajay . Permalink 10-4 Episode 24: Monitoring Workflow Services by Ron Jacobs - One of the great advantages to building services with WCF and Windows Workflow 4 is that the environment is instrumented with loads of events that Read More...
Posted Tuesday, August 04, 2009 2:27 PM by Sajay | 0 Comments

Concurrent Receives - MaxPendingReceives

Note: Cross posted from Sajay . Permalink One of the performance improvements we did with WCF 4.0 was to enable concurrent receives. This greatly helps scenarios where we need to do some kind of work like DB authentication with username passwords or custom Read More...
Posted Monday, August 03, 2009 3:15 PM by Sajay | 0 Comments
 
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