Windows Workflow Foundation
Introduction Windows Workflow Foundation (WF) is the programming model, engine and tools for quickly building workflow enabled applications on Windows.</note> <note>What is a Workflow? A workflow is a model of a human or system process which is defined as a map of activities. An activity is a step in a workflow and is the unit of execution, re-use and composition for a workflow. A workflow is designed by laying out activities and is compiled to a .NET assembly that is executed on the workflow runtime and the Common Language Runtime (CLR). </note> Upgrade a Class Library to Enable Worflows Activities I tried to open the design surface for the activity. It said in part: The service 'System.Workflow.ComponentModel.Design.IIdentifierCreationService' must be installed for this operation to succeed. Ensure that this service is available. The first entry that’s necessary belongs in the <PropertyGroup> and is: <code><ProjectTypeGuids>{14822709-B5A1-...