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Wednesday, December 16, 2009 12:15 PM

SYSK 375: Visual Studio Add-In for Managing Configuration Files Across Environments

One of common customer questions/requests I get is about industry best practices and recommendations on managing configuration file settings when deploying code across environments. There are several options to change different configuration settings
Posted by irenak | 1 Comments
Attachment(s): ConfigAddIn.zip
Wednesday, December 02, 2009 7:05 AM

SYSK 374: Role Based Authorization for WCF Services through Configuration Files

Traditionally, to implement role based authorization in .NET you would use PrincipalPermission attributes, e.g.: [ PrincipalPermission ( SecurityAction .Demand, Name = "YourDomain\\User1" , Role = "YourDomain\\Role1" )] public void MethodX( ... ) { .
Posted by irenak | 0 Comments
Wednesday, December 02, 2009 6:27 AM

SYSK 373: How to Impersonate the Original Caller When Calling the WCF Service in ASP.NET by Configuration Only

If your WCF services use role based authorization, and you need to pass the identity of the end user (original caller), you have a few options: 1. Use <identity impersonate=”true” /> in web.config This is not my preference since there is quite a
Posted by irenak | 0 Comments
Friday, February 22, 2008 9:47 AM

SYSK 365: How to get your unit tests (test project in Visual Studio 2008, a.k.a. MSTest) run multithreaded

If you want to test code that requires an MTA threading model (e.g. the code being tested uses WaitHandle.WaitAll), you need to change the .testrunconfig file manually and change the threading model from STA to MTA. There are other posts that say for
Posted by irenak | 2 Comments
Friday, October 12, 2007 10:53 AM

SYSK 362: The cost of try/catch

Since I’m still coming across a lot of conflicting recommendations on the “best practices for structure exception handling” (including those coming from different folks from Microsoft), I decided to write a blog post on the topic. So, what are the benefits
Posted by irenak | 4 Comments
Friday, August 10, 2007 8:50 AM

SYSK 361: On the importance of signing assemblies from the versioning perspective

There are many reasons for signing your assemblies (security being at the top of my list), but in this post I’d like to address the importance of using a key to sign your assemblies from the versioning point of view. Now, let’s assume for the sake of
Posted by irenak | 0 Comments
Sunday, August 05, 2007 5:06 PM

SYSK 359: How to Purge Workflow Tracking Data Inserted By SqlTrackingService

To my great surprise, after doing a search for a script that would delete the events logged by the almighty SqlTrackingService service, I didn’t find one… So, I quickly created it (see below), and it seems to do the job just fine given the current table
Posted by irenak | 1 Comments
Sunday, August 05, 2007 12:38 PM

SYSK 358: Run Rules Automatically When an Event Is Triggered

Imagine this: you’re writing a custom user control and you’d like to execute a WWF ruleset when a certain event happens, e.g. a data context changes. Of course, you could create a delegate for the event and write a few lines of code to validate and execute
Posted by irenak | 1 Comments
Friday, July 20, 2007 3:13 PM

SYSK 356: How To Execute A Workflow Synchronously Without waitHandle.WaitOne()

Consider the following code snippet frequently found in sample applications, code snippets and published articles: using ( WorkflowRuntime wr = new WorkflowRuntime ( "WorkflowRuntimeConfig" )) { wr.StartRuntime(); using (System.Threading. AutoResetEvent
Posted by irenak | 2 Comments
Tuesday, July 10, 2007 8:12 AM

SYSK 353: What’s New in "Orcas" (next version of Visual Studio)

This is first in the series of small posts about new features in Orcas… 1. Orcas can be installed and will run side-by-side with Visual Studio 2005 (even with the beta 1 release currently available) 2. You can use Orcas to create projects (i.e. target)
Posted by irenak | 6 Comments
Tuesday, June 26, 2007 11:31 AM

SYSK 352: Windows Workflow Foundation Runtime Footprint

After seeing presentations that assert that “Workflow runtime is lightweight” and not finding any concrete numbers to support that claim I decided to do some of my own profiling. Here is what I’ve done, measuring memory utilization after every step (the
Posted by irenak | 1 Comments
Friday, May 11, 2007 5:03 AM

SYSK 348: InvokeRequired No More…

By now, we all have learned to call Control.InvokeRequired to avoid the following error when updating UI from another thread or calling other apartment threaded objects that expect to be called on a thread they were created on: The calling thread cannot
Posted by irenak | 2 Comments
Wednesday, May 09, 2007 6:34 AM

SYSK 346: How WPF Commands Make Programmer’s Life Easier

Yesterday, I came across the following example demonstrating the power of WPF commands written by Adam Nathan and published in his book “Windows Presentation Foundation Unleashed” (I’ve made some small formatting changes): < Window x:Class = " WPFWinApp.Window1
Posted by irenak | 0 Comments
Monday, May 07, 2007 5:05 AM

SYSK 344: Learning WPF – What Are All These PreviewX Events?

Did you notices that there are a lot of events that start with word ‘Preview’, and all of them seem to have a “buddy” event with same name but without the ‘Preview’ prefix? For example, the following paired events are defined by the System.Windows.Window
Posted by irenak | 0 Comments
Thursday, May 03, 2007 4:51 AM

SYSK 342: Learning WPF – Logical and Visual Element Tree

Whether you’re dealing with routed events or trying to figure out why your styling is not working quite as expected, you’ll need to understand these two new concepts in WPF… So, here it goes… Consider the following XAML: < Window x:Class = " WPFWinApp.Window1
Posted by irenak | 0 Comments
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