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5 Articles match "Windows","Windows Workflow Foundation"
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Essential Windows Workflow Foundation
Understand activity objects and how they relate to Windows WF workflows Host Windows WF workflows Organize data flow by using workflow activities Communicate with Windows WF workflows from the outside world Work with the built-in persistence and tracking services that ship with Windows WF Integrate Windows WF with web services Use Windows WF rules to separate business logic from flow control in your applications Create both Sequential as well as State Machine workflow Develop your own custom workflow runtime services Re-host the Workflow Designer in your own applications Essential Windows Workflow
DevelopMentor Courses
- Friday, June 12, 2009
Essential Windows Workflow Foundation 4 - WF4
Gain understanding of the strengths and weaknesses of Windows Workflow Foundation 4. Understand how workflow activities work and what their role is. Discover what part of your application is best suited to use Windows Workflow Foundation and why. Learn how you can empower Understand what the best way is to host your workflows in the various execution environments .NET NET is found.
DevelopMentor Courses
- Tuesday, November 17, 2009
Service-Orientation Today and Tomorrow
In Deutsch , klicken Sie hier Based on the ranges of topics below, you will be able to take the first steps in the world of Service-Orientation and Cloud Computing with confidence and above all be prepared for future projects: Service-Orientation Cloud and Cloud Computing Identity Management and Claims-Based Identity Windows Communication Foundation (WCF) Windows Workflow Foundation (WF) Azure Services Platform (with Windows Azure and .NET Come experience Service-Orientation Today and Tomorrow with a trend-setting group of topics, including Cloud Computing
DevelopMentor Courses
- Friday, June 12, 2009
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39 Articles match "Windows","Windows Workflow Foundation"
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Loading XAML Workflows in WF4
RC 1 Most of the time I used compiled workflows in Windows Workflow Foundation 4. Its nice and easy, you design the workflow, compile it and at runtime there is a .NET NET type you use to create and run workflows. The main drawback Note: This blog post is written using the .NET NET framework 4.0
The Problem Solver
- Sunday, March 7, 2010
NativeActivity – A Tricky Beast
Windows Workflow Foundation 4.0 EndExecute) to perform short lived async operations where you do not want the workflow
persisted This gives you full access to the power of the workflow execution engine. the delay but this would not be good for the workflow engine: we block a thread
it I’m writing Essential
Windows with Maurice for DevelopMentor .
One
.NET Meanderings
- Tuesday, February 9, 2010
Bookmarked Activities in WF4
Beta 2 Windows Workflow Foundation 4 introduces the concept of bookmarks to temporarily pause activities. The result is that the workflow runtime doesn’t consider an activity to be finished until all its bookmarks are either resumed or removed. That last statement isn’t completely true though as it is only the case when the optional BookmarkOptions aren’t specified or specified as None. Running the workflow and resuming a bookmark Note: This blog post is written using the .NET NET framework 4.0
The Problem Solver
- Tuesday, January 26, 2010
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The Best from DevelopMentor
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Getting started with Windows Workflow Foundation 4
As you may have heard Windows Workflow Foundation 4 is not an upgrade from Windows Workflow Foundation 3 (or 3.5). In fact Windows Workflow Foundation 3 was the first version and 3.5 And as WF 4 is a complete rewrite we should approach it as a new product and forget just about everything we already know about WF 3. That might be a bit surprising, after all we still have activities The version numbers might suggest that the previous version was quite mature but in fact it refers to the version of the .NET NET framework.
The Problem Solver
- Monday, June 22, 2009
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The new Windows Workflow Foundation 4 runtime
With WF3 there was a central workflow runtime environment called the WorkflowRuntime and used to manage the lifetime of workflow instances. In WF4 this central class no longer exists and we manage individual workflows. To compare the two, this is what a minimal console application looks like in WF3. It basically runs a workflow and prints a message when done: static void Main( string [] args)
{ quot; );
};
WorkflowInstance instance = workflowRuntime.CreateWorkflow( typeof (WorkflowConsoleApplication1.Workflow1));
instance.Start();
Console.WriteLine( "Waiting for the workflow to complete."
The Problem Solver
- Tuesday, June 23, 2009
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Windows Workflow Foundation 4 and persistence
The whole persistence model has changed quite a but for WF4. The persistence class out of the box is called SqlWorkflowInstanceStore and as the name suggests it saves workflow data in either SQL Server 2005 or 2008. It is based on the InstanceStore class to if you prefer some other store all you need to do is subclass the InstanceStore and create your own. So what can we do with the SqlWorkflowInstanceStore? We can attach it to either a WorkflowApplication or a WorkflowServiceHost and persist workflows when we want. Notice I left out the WorkflowInvoker. This can
The Problem Solver
- Thursday, November 19, 2009
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Data and Windows Workflow Foundation 4
One thing that has completely changed in Windows Workflow Foundation is the way we work with data in a workflow. Dependency properties left the way data was stored to be handled by the workflow runtime but in our program we could use them just like any other property. The actual data is stored somewhere inside of the workflow using a LocationEnvironment. In WF 3 we used properties to store data. We could use regular .NET
The Problem Solver
- Monday, July 20, 2009
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Using Windows Workflow Foundation 4 Receive from an non WF client
In a previous blog post I described how to use the WorkflowServiceHost and host a workflow with a Receive activity that waits for WCF messages. However a lot of clients out there are not going to be workflows but “regular” code that calls into out workflow. In our workflow the operation is named “Operation1” and our service contact name was “MyService” with the default namespace of “ [link] ”. I also added a WF4 client that called the service and received a response.
The Problem Solver
- Wednesday, August 19, 2009
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Passing data into a Windows Workflow Foundation 4 workflow
Passing parameters into a workflow is similar in WF4 as it was in WF3. In both case a Dictionary is passed in when creating the workflow instance object. basically on the outside you have to create a dictionary with as key something inside of the workflow. keep in mind that workflows tend to be complex and long running things not very well suited to unit testing. Starting a workflow with a parameter: Alternatively when using the WF4 WorkflowInvoker you can pass it into the Invoke() method. This is quite simple but I have never been a fan of the very loose coupling here.
The Problem Solver
- Tuesday, June 30, 2009
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What does Windows Workflow Foundation 4 mean for existing workflow developers?
The question of what Windows Workflow Foundation version 4 means for developers currently developing using WF recently came up. In WF 3 there was a choice between state machine and sequential workflows. That said, a number of state machine workflows could very well be done using a flow chart. As far as backward compatibility the story is a bit more complicated. As I mentioned before WF 4 is a complete rewrite and doesn’t use any of the existing WF 3 classes. The design of WF 4 is even quite different from the design of WF 3. So are WF 3 developers completely
The Problem Solver
- Friday, July 3, 2009
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