anthrax3 / rehosted-workflow-designer

.NET Workflow Designer Rehosting & Custom Activity Library Example

.NET Rehosted Workflow Designer

The solution contains:

WPF Desktop Application

• Workflow Designer - Rehosting in a WPF Aplication
• ToolboxControl - Loading Workflow Activities from Assemblies
• Workflow Execution - retrieve real-time Execution Log (TrackData) and Execution Output(s)
• Workflow Management - New / Open / Save / Run / Stop

Activity Library - Custom Activities

• ShowMessageBox - displays in a MessageBox the Value of the InputData argument
• GetGroupMembers - retrieves the Member Names and Count for a specified Meetup.Com Group
• GetRSVPmembers - retrieves the Member Names and Count for a specified Meetup.Com Event

Demo Workflows

AzureVmPowerOperations.xaml

• InArguments - VM & Service names
• OutArguments - ActionPerformed
• the workflow connects to Azure & changes the VM power state: if Powered On it will be power off, else powered on

LocalWinServicesCSV.xaml

• InArguments - Status (default is "running")
• the workflow retrieves the local windows services with the status defined by the inargument, writes the list to a file & opens it

SvcMonitoring.xaml

• InArguments - Service
• OutArguments - Log
• the state machine workflows monitors the state of the specified windows service; if the state changes, the user gets notified via SMS

Meetup.xaml

• InArguments - Meetup.COM REST API Key and RSVP (true / false)
• If RSVP = false - the Workflow outputs a list with the Members of a Meetup.Com Group
• If RSVP = true - the Workflow outputs a list with the Attending Members of a Meetup.Com Event

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Links

• Windows Workflow Foundation and .Net Core
• Windows Workflow Foundation in 2017 (overview)
• blog post about the WF Designer demo - Windows Workflow Foundation Rehosted Designer
• my WF presentation at Microsoft Summit 2015 Introduction to Windows Workflow Foundation
• project showcased at Microsoft Summit 2015 & Timisoara .NET Meetup 2
• Twitter @orosandrei

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• MSDN Windows Workflow Foundation
• MSDN What's new in WF 4.5
• Roslyn C# Expression Editor
• Custom Expression Editor
• Expression Editing Mechanics
• Avalon Edit
• Core Workflow (.net core runtime)