Answer Questions

• Yu Wang Workflow Communicating back to a particular host?

  Hi all, (apollogise if this has been up before) I need to communicate back to a particular host from a workflow. So, the 'host' is a workflow that is implemented as a WS (WSRec + WSResponse). It calls the 'main' workflow through Raising Events - all cool. Now the Main Workflow needs to send it's results back to the Host (and inturn, back to the caller) Issue - how to identify the calling host from the main workflow If anyone co ...Show All

• Robby Aube How to get child workflow instanceId after calling invokeworkflow

  Hi, I have one state machine workflow, in the start of the workflow, it will call InvokeWorkflow to invoke a sub workflow which is also a state machine workflow. The question I have is how to get the sub workflow instanceId after calling InvokeWorkflow. I try to use  invokeWorkflowActivity1.InstanceId right after invokeWorkflow but that GUID is not the correct Id. Also, is that possible to fire event from child back to ...Show All

• Quadrillion InkCanvas - CPU Hungry

  I have a UI with an InkCanvas viewed through a VisualBrush. With only a few strokes on the canvas, CPU utilization approaches 60%. When I set myInkCanvas.Visibility = Visibility.Hidden then CPU utilization drops. I may be able to make a small mockup that will demonstrate the behavior, but I would hope it could be solved without that. This is a snapshot of the stack from the offending thread (which I can't make heads or tails out of): nto ...Show All

• Eugene Kogan How to pass a Parameter to a loaded workflow instance

  Hello, i'm new to the wwf, so I hope anyone can give me a tip to pass parameters to a already running wf-instance. My Szenario: I have created a new wf-instance (passed some parameters) - everything ok I use the persistence service to save the instance - ok Shout down the application Restart the application Load the wf-instance Now on loading, I want to set some properties on the wf-instance - how can I do that I ...Show All

• lextm Implications of shutting down workflowruntime..

    I am trying to do the following but dont quite know how to handle some situations here: Say I implement a window service as a host for my workflow runtime (engine). I start the run time when the service starts and then start some workflows based on inputs from other applications (conveyed in whatever manner)..The workflows are running etc. and suddenly someone decides to shutdown the host service. One sure can put some code in the s ...Show All

• Matthewsnape LoadDesignerLayout problem

  trying to use LoadDesignerLayout  to better present the layout of a statemashine workflow in the Workflow monitor sample. using ( StringWriter stringWriter = new StringWriter ()) { using ( XmlWriter layoutwriter = XmlWriter .Create(stringWriter)) { IList errors = null ; this .SaveDesignerLayout(layoutwriter, rootdesigner, out errors); string s = stringWriter.ToString(); XmlTextReader layoutReader = ...Show All

• johanc WWF Case Studies / Samples / Justifications

  Can someone point me in the right direction to find a list of case studies and sample applications (not necessarily source code) for WWF. What I've noticed so far is that every single sample I've seen has said: "This workflow is really too small to be a justification for the use of WWF ... " What I'm looking for are justifications to use WWF, a list of applications that could greatly benefit from integration with WWF. What I've seen ...Show All

• cyb3rb0y_gr USB prot printing: WritefileEX

  Hi, I have been trying to solve one USB print problem: Problem is as state below: I have problem in printing data on usb port. The code I am using is like this: m_hPrinter = CreateFile (deviceInterfaceDetailData->DevicePath, GENERIC_READ | GENERIC_WRITE, // Only read access 0, // FILE_SHARE_READ | FILE_SHARE_WRITE NULL, // no SECURITY_ATTRIBUTES structure OPEN_EXISTING, // No special cr ...Show All

• Surreal Speech recognition in other languages than US English

  I tried speech recognition. It didn't work, but resulted in an error message "Run a DLL as an App stopped working" ( ). Then I realized that in Regional Settings I selected "Dutch (Nederlands)". When I changed that back to "English (United States)", the default, speech recognition worked! Obviously Dutch is not supported in the February Beta of Vista, build 5308. But will it be supported in the final release version ...Show All

• dlausch MSDN Problem..,

  In MSDN WinFX Software Developer Kit, In class Library Reference.., If I go to System.Workflow.Activities namespace, I can't able to view the webpages.., http://winfx.msdn.microsoft.com/library/default.asp url=/library/en-us/cpref/html/N_System_Workflow_Activities.asp Can anyone of you say why it is not working Remaining and all namespaces are working properly but only System.workflow namespace is not woriking properly. Sekhar Ragu ...Show All

• The Villager Sharing Data between Activities

  I have a workflow that is hosting many custom activities and I want those activities to be able to get/set some common properties. I created a DependencyProperty but can't get the get/set to work. 1. I have a simple sequence activity public partial class ActivitySaveEmployee : SequenceActivity 2. I added 1 property and the DependencyProperty for it: public static DependencyProperty MyEmployeeIDProperty = System.Wo ...Show All

• melissanator Editing XOML in VS2005 and other designer problems

  First problem is: I experience extreme lags (like 5 seconds delays) while editing (typing a character) XOML file as a source code in VS2005. The problem is reproducable on my office VS installation as well as on my home one. The XOML file contains state machine workflow. I'm using WF-extensions for VS2005 beta 2.2. Is this known issue Second problem - designer is not really ready for use: The WF-designer code is very slow. I exper ...Show All

• dpeeth Bug Report(blue screen/can't install netfx 2.0)

  1. I'd installed a Virtual CD tool named daemon-tools(version 3.47), it'll cause blue screen in either vista beta1 or beta2 5270, either in safe mode or vga mode. I had to re-install vista again and again... 2.I can't install vs2005 in vista beta1(shipped in 2005.7.31), so I want to install the " problem-reporting tool ", but it prompt me to download and install .net framework 2.0. I download the nf 2.0, unfortunately, error occured:Er ...Show All

• MarkJohnson update to m3edia centre 5270 problem

  can someone email me the 32 bit update asabowes@hotmail.com There is a patch released my MS for m3edia centre 5270 problem. It's hardly 1.4MB patch available on MS downloads site. ...Show All

• mjwigham Interested in collaborating on a solution-level schema for workflow solutions?

  Is anyone interested in collaborating on solution-level schema for describing workflow solutions   I'm particularly interested in capturing the complete description of a StateMachine workflow ...including the layout, etc. I've started a discussion here: http://groups.yahoo.com/group/windowsworkflow/ . ...you can also send an email to: windowsworkflow@yahoogroups.com . I'm imagining a fairly straight forward schema would capture all of the ...Show All