Contents tagged with WCF
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Hosting WCF service in Windows Service
When building Windows services we often need a way to communicate with them. The natural way to communicate to service is to send signals to it. But this is very limited communication. Usually we need more powerful communication mechanisms with services. In this posting I will show you how to use service-hosted WCF web service to communicate with Windows service.
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Silverlight 5 announced!
Just finished watching Silverlight Firestarter event where ScottGu made a keynote where he told about the future of Silverlight. There were some demos of Silverlight by SAP and IIS Media Server 4.0 new features by Chris Knowlton who demoed how to stream webcam pic to desktop, Windows Phone 7 and iPad. There was also demo about system called dayforce. But let’s go to new stuff now. In this postingI will introduce you fresh news I just got about Silverlight 5 new features.
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WCF: The maximum message size quota for incoming messages (65536) has been exceeded
When using WCF services you may get the following error: "The maximum message size quota for incoming messages (65536) has been exceeded. To increase the quota, use the MaxReceivedMessageSize property on the appropriate binding element." This error is given because of size limits set to responses in your application configuration.
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Example: Creating workflow to request songs from radio station
Today I played with WF 4.0 declarative workflows. This posting shows you simple workflow that you can extend to add songs to online radio station queue. My main focus here is workflow and I will provide here no logic for actual queue implementation. You can find here also Visual Studio 2010 sample solution.
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There is no context attached to the incoming message for the service and the current operation is not marked with "CanCreateInstance = true"
I got this error when testing my example WF 4.0 workflow that runs on WCF. To get over this error just open your workflow, select Receive activity and make check to checkbox called CanCreateInstance (click on image at right to see it at original size).