Answer Questions

• Altrix WWF Designer Hosting

  i want to host WWF foundation on web application, so can plz guid me now i get the following error System.Security.SecurityException: That assembly does not allow partially trusted callers. I have a sample on my blog of using it as a control in a html page and also generating an image from it (for visibility purposes ) http://www.masteringbiztalk.com/blogs/jon/PermaLin ...Show All

• Andreas Kanon Dynamic Choice List for a Custom Activity Property

  I'm new to the IDE integration bits and a little confused about how to populate a drop-down list for a property on a custom activity. The situation is the same as the "MethodName" property on the CallExternalMethod activity. I have figured out how to setup the "InterfaceType" property and use the TypeBrowserEditor. But I have not figured out how to push the list of method names into the property editor. Do I implement this th ...Show All

• BoseMK How to use ValidationOption

  I want to validate activity properties by using the attribute [ValidationOptionAttribute(...)] . Here is a simple activity containing the property Text . public   class Activity1 : System.Workflow.ComponentModel. Activity {   public static DependencyProperty TextProperty = System.Workflow.ComponentModel. DependencyProperty .Register( "Text" , typeof ( string ), typeof ( Activity1 ));   [ ValidationOptionAttribute ...Show All

• Jerry L. Winn WF and Office 2007 beta2

  Is it possible to create a workflow in visual studio and utilize it in SharePoint If yes, how to I depoyit to SharePoint Do I need to use a SharePoint activity library Mikael Please use the newsgroups at http://www.microsoft.com/office/preview/community/newsgroups.mspx for questions about Office 2007 Beta 2. ...Show All

• Tom Leeson Video Trimming using DirectShow

  Hi, I am new to DirectShow programming. My current project requirement is to trim the video file of any type and save the trimmed data in a different file, with the same format as source video file. I am unable to save a file with trimmed data. Could anyone helps me out with sample source code. Thanks in advance Regards Gopalakrishna Rao Hi Etienne, Thank you for your reply.First we would like to know about the ...Show All

• GraemeP Does Dec CTP have updated Ink analysis?

  Does the Dec CTP of the Windows SDK include the pieces that were in the Mobile and Tablet SDK   In particular the new Ink Analysis APIs To be more precise I am looking for the equivelant of IAWinFX.dll that was in the Sept Mobile and Tablet PC SDK. It looks like the SDK includes the ink analysis DLLs, but is missing IALoaser assembly. Could not load file or assembly 'IALoader, Version=1.7.5333.0, Culture=neutral, PublicKeyTo ...Show All

• EmadH Casting property value in activity reference

  Hello, I have two activitites. One exposes a DataSet through a property. A second activity takes a string property. I would like to set an activity reference to the first activity, getting the value of a particular row and column in the dataset. I can use the activity reference dialog to drill down on the Dataset property to get to a particular data value but this returns an object of type System.Object. The property that I'm trying to set on ...Show All

• Paminboston WorkflowPersistence simple question

  Hi there, I'm writing my own workflow persistence service to support another database. I have following two save methods to override in my service: SaveCompletedContextActivity(Activity root) SaveWorkflowInstanceState(Activity root, bool unlock) The question is quite simple, how do I find in these two methods when I need to INSERT workflow record in database and when I need to UPDATE workflow record in database I can't find any b ...Show All

• MJTNET Rendering video from network

  Hi Can anybody suggest a method to get live video from a network device.(A video server) either by using DirectShow or WMFSDk Hello We had alreadt bought a video server which will be attached to the video camera we are buying. The video server is from a comapny called Acti. IT is a small device. I have to write the program to get video(in mpeg-4 format) using a program and must display it in the user interface i had alread ...Show All

• Paul Coddington Designer and the Toolbox

  We are working on integrating the workflow desinger into our suite of tools. Our shell currently has a toolbox that implements the IToolboxService interface. When we create the DesignSurface for the Workflow designer, we pass in our root service provider (which contains our toolbox service). However, the Workflow designer never asks our service provider for the IToolboxService (though it does ask for many other services). How does the list of av ...Show All

• oananiev Statemachine not Stable !!!!

  I checked in several constellations. Rasing Events works between 1 - 20 times than I get by random Event can not be deliverd. By seeing the unanswerd request here in the Forum I think it's not working. If yes some good Ideas are always well come. Wolfram If you want to raise your events based on status transitions, try waiting for "Entering" rather than "Started&quo ...Show All

• Bob Boehler Is WF incompatible with WPF Applications?

  I am trying to host WF runtime in a WPF windows application and getting an InvalidOperationException. The exception message is copied below. To test if we can host a WF runtime in a WPF application I am only creating the runtime in the App class. In order to reduce the chance of error on my part, I am just creating the runtime in the WPF application and not doing anything else, it is still giving this exception public partial class App : A ...Show All

• onewnan save xoml file without build...

  I have a workflow with two custom activities from an activities library. I run this workflow from another console app. From what i understood, if i change the order of the activities on th xoml file and save it, the change should take place without building. anyhow, it's not working for me. (I have code activity in the custom activities which print me the activity name so i can see if there is a change in the order. Any suggestions ...Show All

• Pachacutec EventHandler won't fire in state machine when calling event from host

  Hi, I have written a simple state machine which is very similar to the order example comes with WWF Jan Lab Beta 2. I created the following service public class NavigationService : INavigationService { public event EventHandler < NavigationEventArgs > StartPageStart; public void RaiseStartPageStartEvent( Guid instanceId) { if (StartPageStart != null ) //StartPage is null when host calling ...Show All

• Hooman How do you handle Persistence with WWF Beta 2.2?

  Tom, I am unable to raise events in WWF Beta 2.2 (unlike WWF Beta 2.0). When I set UnloadOnIdle = " false " (from "true"), I am able to raise the first event without an error, but am unable to get the XOML only State workflow assembly reference via persistence. The problem is that I am unable to persist a State XOML workflow when using WWF Beta 2.2. Everything worked fine with WWF Beta 2.0 State workflows (non XOML on ...Show All