Answer Questions

• Ramyakeerthi How to store more information using persistence/tracking service

  Hi, I downloaded the examples of using Persistence and Tracking in ASP.NET from Tom Lake's blog and tested it. it works fine, but my question is where the eventOrder (int value) come from in UserEvent table it always is among of 5,18,31. One more question, how to store more information using persistence/tracking service for example, I want to save the user info, userID, so i need to add one more column to the table. I have to create my ow ...Show All

• Chitra EventSink Roles terminates workflow

  Currently the workflow is terminated when when an eventsink is called by somebody not added to the roles collection of the EventSink Is it possible to maybe throw an exception to the caller (or ignore the call completely) without terminating the workflow instance   Peter Have a look at lab 10, where they're using System.Workflow.Runtime.WorkflowAuthorizationException. You can use ...Show All

• Ben Haynie Sharing same workflow instance with two different WWF Runtimes

  Hi, is it possible to share the same workflow with two different workflow runtimes on two different hosts. This means both runtimes can listen to events for the same workfow instance, however each will listen to different events within the workflow instance not the same event. ok is it possible in this scenario to run one Workflow Host in the backend servers that is clustered for fail over, and run a communication service such as a Re ...Show All

• cindyding0412 EnumPrinters on WinNT 4

  Hi there, I am having trouble using the EnumPrinters function to list network printers on WinNT. (I think its version 4). I am using PRINTER_INFO_4 and the PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS flags. What I want to do is list the printers the user has installed on the machine, be it local or remote. The code works on XP, but not on NT. Any suggestions Thanks in advance. Anyone have an idea This is ...Show All

• ZychoFlow WWF 2.2 Hanging on simple app

  Attempting to run the simplest helloworld-like application using a sequential wf. Basically just following the MSDN Docs, and when running the app, it never gets to the breakpoint. It hangs, causing the processor to peg at 100% for the HelloworldWorkflow.exe app. My app is as simple as it can get. using System; using System.ComponentModel; using System.ComponentModel.Design; using System.Collections; using System.Drawing; using System.Workflow. ...Show All

• CraigH regarding passing parameters between workflow and activities

     I have created a custom activity and my workflow has a parameter, now i want to use the parameter inside my custom activity. Is it possible to do it and if so how to do it. regards ashok kumar   hai matt and Arjun     thanks for the help, actually matt's code did work and iam using only sequential workflow. but still when i try to bind a workflow parameter and a property of the custom activity& ...Show All

• twostars GetWorkflowQueueData error

  Hello, I'm calling the method GetWorkflowQueueData from an instance to inspect the workflow queues to take further action. But when I do it in the Idle event of the tracking service or in the SaveWorkflowInstanceState of the persistence service it raises the following error: InvalidOperationException Instance operation is not valid on workflow runtime thread " at System.Workflow.Runtime.InstanceLock.InstanceLockGuard.EnforceGua ...Show All

• ferhat Security permissions.

  No matter what is done to change permissions nothing happens. You can't even install apps like Incredimail as you aren't allowed access to system32 and no changes of permissions anywhere allows access. Without access the installer can't see the mfc.dll and so can't install. TTFN. I have enough trouble answering questions that are asked explicitly. Getting me to try to extrapolate questions from answers is an even riskier task. Windows Vi ...Show All

• Lionel18330 WWF Thread Safety on Windows Forms

  I would like to implement all my windows application logic based on workflows. This is, even the actions of showing forms and all possible pre and post actions. This way I could customize an application for a customer without needing to change code... The problem is that, as far as I know, the instance can only run on a different thread than the UI process... this way, for example, I can't open a MDIChild on a workflow... Can I run the workflow ...Show All

• 123666 MMDeviceapi

  Hi all, I'm trying to compile some sample codes from the white paper. The sample codes enumerates the audio end points and print out the display name. I've included mmdeviceapi.h and propkey.h but got failures. The following are the linking errors error LNK2001: unresolved external symbol _PKEY_DisplayName error LNK2001: unresolved external symbol _CLSID_MMDeviceEnumerator error LNK2001: unresolved external symbol _IID_IMMDeviceEn ...Show All

• Harold Jimenez Unloaded/Persisted Workflows.

  Aside from accessing the DB directly, is there any way to query the currently active workflows that are persisted to the DB once they are unloaded Joe, In Beta1, querying the DB is the only route. In Beta2, there is an API to make this query. Arjun Have you looked at: SqlWorkflowPersistenceService.GetAllWorkflows This will give you a list of SqlPersistenceWorkflow ...Show All

• Claudionir Silva The requested operation requires elevation.

  I am connected to wireless network in my city. The problem is that when I want to connect to city wireless I need to add a route in Command prompt. In XP it works fine, but when I type this in Vista: route -p add 10.0.0.0 mask 255.0.0.0 10.46.2.1 I recive this message: The requested operation requires elevation. I realy need to do that, otherwise I can't access any page on wireless except 10.46.2.*. ...Show All

• ServiceDVD.it WWF with .NET compact framework 2.0

  Hi ppl, My team is working on a PDA application for the Health and Safety sector. We are releasing version 1.0 after a couple of weeks. For the second version, there will be a major change in the application architecture and we are thinking to implement it as a workflow based application. WWF is the first thing that comes into my mind but I was wondering if we can use WWF with .NET compact framework 2.0. So here is a question for u guy ...Show All

• thierryb Needed help with Drop Down Box

  Hi Everyone, Needed help in cracking this: I have a Drop Down Box List on an IE page, which has a list of values. Now I have an Excel Sheet which has values that match the values on the Drop Down List. I need to pass the values from the Excel Sheet to the Drop Down List on IE page. I tried sending Keystrokes to get the value on Drop Down Lost selected, but it becomes very hectic because that needs to be done for each and every case on the ...Show All

• Harri V release-candidate?

  Are there a date for release-candidate and release version Does the release version to be slow like Windows Vista We have plans for at least one more release before the RTM of Windows Workflow Foundation. Dates for have not been annouced yet. Windows Workflow Foundation ships as part of the WinFX API's in Windows Vista. The business availability of Windows Vista was recently announced in this release as ...Show All