Failed to create a ‘PointCollection’ exception in Windows Workflow Foundation

The System.Xaml.XamlObjectWriterException: Failed to create a PointCollection exception seems to happen when trying to load System.Activities.Presentation.dllSystem.Activities.Core.Presentation.dll and one of their dependencies is missing. The problem can be avoided by removing the view state information from the Workflow Xaml Definition and by excluding the SAP / SAP2010 libraries from the AppDomain when instancing the Workflow, since they are not needed at runtime for the execution:

Continue reading Failed to create a ‘PointCollection’ exception in Windows Workflow Foundation

Windows Workflow Foundation in 2017

Windows Workflow Foundation is a mature technology from the .Net Framework (full) which empowers developers to build enterprise grade workflow based products and solutions. It is easy to get started with, if offers a lot of features out of the box and it powers some of Microsoft’s key projects (Sharepoint, Azure Powershell Workflow Runbooks).

Continue reading Windows Workflow Foundation in 2017

Windows Workflow Foundation Demystified at CodeCamp Timisoara

I was a speaker at CodeCamp Timisoara, where I presented Windows Workflow Foundation. The conference took place at the West University of Timisoara.

Continue reading Windows Workflow Foundation Demystified at CodeCamp Timisoara

Workflow Foundation presentation at Microsoft Summit

I was a speaker at Microsoft Summit 2015, where I presented Windows Workflow Foundation. The conference took place in Bucharest, Romania, at the Parliament Palace.

Continue reading Workflow Foundation presentation at Microsoft Summit

Windows Workflow Foundation – Rehosting the Workflow Designer

As a presenter at Timisoara .NET Meetup #2 I thought it would be interesting to share with the local community some of my experience with a not so known technology from the .NET stack: Windows Workflow Foundation. For this purpose, I built a demo app (source code available on github) and a short introductory presentation for the topic.

Continue reading Windows Workflow Foundation – Rehosting the Workflow Designer