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Tuesday 23 June 2009

[CodeProject] Newsletter (22 Jun 2009)

For comments or enquiries please contact webmaster@codeproject.com View online Monday, June 22, 2009

Welcome to this week's newsletter from The Code Project.

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Site News

The top articles of June have been voted and we're proud to announce some very worthy winners:

Best overall article of May 2009
M.M.Al-Farooque Shubho - Forms authentication and Role based authorization: a quicker, simpler, and correct approach
Prizes: DXperience™ ASP.NET Subscription - Developer Express; InstallAware 8 Express, - InstallAware; REALbasic Professional Edition, - REAL Software; DevForce Silverlight - IdeaBlade;
 
Best VB.NET article of May 2009
_Khallaf - Custom GMail Vacation Auto-Responder
Prizes: iGrid.NET - 10Tec; Dundas Chart for .NET Pro - Dundas Software Ltd.; .Net Dashboard Suite - Perpetuumsoft; Nevron User Interface for .NET (Professional edition) - Nevron Software; Klik! EntryLib.Net (WinForms) - Klik! Software; Shell MegaPack.Net 2009 - LogicNP Software; The latest VB books from Apress - Apress; SmartOutline 2010 - SmartOutline;
 
Best ASP.NET article of May 2009
M.M.Al-Farooque Shubho - Forms authentication and Role based authorization: a quicker, simpler, and correct approach
Prizes: Report Sharp-Shooter - Perpetuumsoft; Dundas Chart for .NET Pro (Web) - Dundas Software Ltd.; Nevron Chart for .NET (Professional edition) - Nevron Software; The latest ASP.NET books from Apress - Apress; SmartOutline 2010 - SmartOutline;
 
Best C# article of May 2009
Daniel Vaughan - Calcium: A modular application toolset leveraging the Composite Application Library (PRISM) – Part 1
Prizes: Dundas Chart for .NET Pro - Dundas Software Ltd.; iGrid.NET - 10Tec; Nevron Chart for .NET (Professional edition) - Nevron Software; Klik! EntryLib.Net (WinForms) - Klik! Software; Shell MegaPack.Net 2009 - LogicNP Software; The latest C# books from Apress - Apress; SmartOutline 2010 - SmartOutline; Report Sharp-Shooter for Silverlight - Perpetuumsoft;
 
Best C++/MFC article of May 2009
programmersmind - An Introduction to "Iterator Traits"
Prizes: iGrid.NET - 10Tec; Codejock Xtreme ToolkitPro - Codejock Software; Nevron 3DChart for ActiveX - Nevron Software; The latest C++ books from Apress - Apress; SmartOutline 2010 - SmartOutline; CryptoLicensing For MFC - Enterprise Edition - LogicNP Software;

Well done guys!

And remember that you have just over a week to get your entries in for the Smart Client contest. We've thrown a little extra into the pot with two prizes of $1000 USD each to the highest-rated blog articles so get writing!

The Code Project Offers

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- Graphical XML Schema Editor with all the XML tools you need.
- Integrates with Visual Studio®, C++, C#, Silverlight Code Generation.
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Security vendor - SecuTech seeks worldwide connection
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Weekly Poll Results

Are you doing or plan to do any mobile application development?

Survey period: 15 Jun 2009 to 22 Jun 2009

Are you working on or planning to work on apps for mobile phones, etc.? If yes, please choose the technologies you're using or plan to use.

OptionVotes% 
Nope, no wireless for me41541.01415 votes, 41.01%
Windows Mobile41140.61411 votes, 40.61%
iPhone17116.90171 votes, 16.90%
Google Android10910.77109 votes, 10.77%
J2ME767.5176 votes, 7.51%
Symbian666.5266 votes, 6.52%
RIM Blackberry585.7358 votes, 5.73%
Other (please specify)333.2633 votes, 3.26%
WebOS252.4725 votes, 2.47%
Brew151.4815 votes, 1.48%
Responses1009  1012 votes
This is a multiple choice question. Totals may not add up to 100%

View optional text answers (40 answers)

Most popular new Job Vacancies 23 May 2009 - 22 Jun 2009

Most popular new articles 15 Jun 2009 - 22 Jun 2009

Latest Additions

140 articles overall 100 new, 59 updated, 5 moved. 52 were edited, 88 unedited
Article topics listed: All Topics

Too many articles? Visit your profile page to change your newsletter article filters.

New articles added Last week

Files and Folders

Grid & Data Controls

List Controls

  • Double-buffered tree and list views - Eugene Sichkar
    Implementing native WinForms flicker-free TreeView and ListView descedants (Unedited)
    C#, Windows, .NET (.NET 2.0), Win32, Win64, WinForms

Printing

  • DataGridView Print/Print Preview Solution - Part II - Alessandro Lentini
    This article is the second one of two articles in which I want to show a solution for the Print Preview of the DataGridView object. One of the goals of my solution is to print the DataGridView keeping its styles automatically.
    C# (C# 1.0, C# 2.0, C# 3.0), Dev

Smart Client

  • SongBird - a Twitter hybrid smart client - Pete O'Hanlon
    Using the WCF RESTful services to create a Twitter hybrid smart client. (Unedited)
    C# (C# 3.0), .NET (.NET 3.5, .NET 4.0), Win2003, Vista, Win2008, Win 7, WCF, WPF, Dev

  • Genesis Hybrid Smart Client Framework part VI - Stephan Johnson
    This is part II of a VII part series. This article covers how to manage the hosted applications, user interface and security using the Genesis Management System (Unedited)
    C# (C# 3.0), Windows (Win2003, Vista, Win2008, Win 7), Architect, DBA, Dev, SysAdmin

Applications & Tools

ASP.NET

ASP.NET Controls

Silverlight

Office Development

  • Outlook Automation - Rolf_atSC
    This article shows how to automate Outlook using VS2008 rather than VSTO or VBA
    C#, Windows, .NET (.NET 2.0), Office, Visual Studio (VS2008), Dev

GDI+

Database

  • How to integrate an OLE object with SQL Server. - Md. Marufuzzaman
    This article will demonstrate on how we can integrate T-SQL with external application. (Unedited)
    C# (C# 2.0, C# 3.0, C# 4.0), .NET (.NET 2.0, .NET 3.0, .NET 3.5), SQL Server (SQL 2000, SQL 2005, SQL CE, SQL 2008), Visual Studio (VS2008), COM, COM+

  • Working with SQL Server Logins - Mohammad Elsheimy
    Learn the details of how to work with SQL Server logins. (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0, C# 4.0), SQL, .NET (.NET 1.0, .NET 1.1, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0), SQL Server (SQL 2000, SQL 2005, SQL CE, SQL 2008), Visual Studio, ADO.NET, DBA

  • Sum of previous row values in SqlServer - S.Vinothkumar
    Sum of previous row values in SqlServer (Unedited)
    SQL Server (SQL 2005), Architect, DBA, Dev

.NET Framework

  • Trigger Based Rule Engine - Deepak-VS
    Simple Rule Engine with Triggers to apply the rule
    C# (C# 1.0, C# 2.0, C# 3.0), WPF, WinForms, Dev, Design

  • Writing the read only application-scoped settings - freedeveloper
    A method to programmatically write the application-scoped setting in NET Framework (Unedited)
    C# (C# 2.0, C# 3.0), .NET (.NET 2.0, .NET 3.0, .NET 3.5), Visual Studio (VS2005, VS2008), WinForms, LINQ, Architect, Dev, Design

  • A New Way to Approach APM in .NET - mahosi1
    A wrapper for the Asynchronous Progamming Model in .NET
    C#, .NET (.NET 3.5), Visual Studio (VS2008), WinForms, WebForms

Game Development

  • Multi-Threaded Game Server Browser - Greenhorn999
    A project that allows users to query Source and Half-Life-based master servers and individual servers
    VB, .NET (.NET 3.5) Topics, Architect, Dev, QA, Design, SysAdmin

Vista API

  • Display Progress and Overlay Icons for Multiple Views from .NET in Windows 7 Taskbar - George Mamaladze
    This article describes how to use Windows 7 new taskbar features, progress indication and overlay icon, from unmanaged .NET code. The second part shows you how to manage progress indication and overlay icons in case of multiple views (windows) and provides appropriate missing classes for Windows API
    C#, Windows (Win 7), WinForms, Dev

Windows Communication Foundation

Windows Powershell

Windows Presentation Foundation

  • PhotoBooth - rudigrobler
    A article on how to create a kiosk application that displays photos received via bluetooth (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0), Windows, .NET, XAML, WPF, Dev, Design

  • ImageMagic - WPF Image Color Spaces - Doug Wyrembek
    An article on using WPF to display and manipulate image data in popular colorspaces
    C# (C# 3.0), .NET (.NET 3.5), WPF, Dev

  • WPF Glass Brush Markup Extension - LarryCharlton
    A WPF XAML markup extension with a "Glass" look. (Unedited)
    VB (VB 7.x, VB 8.0, VB 9.0, VB 6), Windows, WPF, Dev

  • XAML Graphics Series - Part 1 Silverlight 1.0 XAML Desktop Art Animation - TheArchitectualizer
    This is an introduction to creating XAML applications using Silverlight 1.0 and JavaScript. (Unedited)
    Javascript, HTML, Windows (Win2K, WinXP, Win2003, Vista, TabletPC, Win2008, Win 7), .NET (.NET 1.0, .NET 1.1, .NET 2.0, Mono, DotGNU, .NET 3.0, .NET 3.5, .NET 4.0), XAML, WPF, Silverlight, Dev, Design, SysAdmin, Sales, Marketing

Windows Workflow Foundation

C / C++ Language

C#

  • A Project Dependency Graph Utility for Visual Studio 2008 - Marc Clifton
    Review your project dependencies.
    C# 1.0, C# 2.0, C# 3.0.NET 3.5, WinForms, Dev

  • War Card Game Simulation in C# - Gary Stafford
    Windows Forms Application using LINQ expressions and Dictionary objects to recreate a classic card game
    C# (C# 3.0), Windows, .NET (.NET 3.5), Visual Studio (VS2008), Dev, Design

  • A multipanel control in C# - liron.levi
    this control acts like a tab control but without the tabs... (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0), .NET (.NET 2.0), WinForms, Dev

  • Extending Polymorphism Backward in Class Hierarchy - Stas Kashepava
    This article explains how to apply polymorphic behavior back in the class hierarchy
    C#, Windows, .NET (.NET 3.5, .NET 4.0), Visual Studio (VS2008), Dev

  • Full Outer Join of Two DataTables C# Code - dakshithaw
    This article explains how to join two data tables and get the result set into a new data table using C#. Here, this has been done without using Database Access.
    C# (C# 1.0, C# 2.0, C# 3.0), .NET (.NET 2.0), ADO.NET, Dev

  • RCM - Radical (Non)Client Modification Library - Steppenwolfe
    A complete skinning engine; modify the appearence of forms and common controls. (Unedited)
    C# 1.0, C# 2.0, C# 3.0, .NET, Dev

  • A Generic Method for Cross-thread Winforms Access - colonel720
    A convenient shortcut using generics to check for InvokeRequired on a Winforms control
    C# (C# 1.0, C# 2.0, C# 3.0), .NET (.NET 2.0, .NET 3.0, .NET 3.5), WinForms, Dev

  • Auto Ellipsis - Thomas Polaert
    Add "Auto Ellipsis" feature to any Windows Form control
    C# (C# 2.0), Windows, .NET (.NET 2.0), WinForms, Dev

Java

Other .NET Languages

Algorithms & Recipes

Bugs & Workarounds

  • How To Inspect the Content of a Program Database (PDB) File - breakpoints
    Get to know the files you use on a daily basis when debugging your application with Visual Studio or WinDbg
    C++ (VC6, VC7, VC7.1, VC8.0), C++/CLI, C, Windows (Vista), Win32, Visual Studio (VS2008), MFC, COM, Architect, Dev, Design, SysAdmin

Programming Tips

Threads, Processes & IPC

  • Testing distributed memory pools - Valery Grebnev
    This article describes a simple approach and test results when creating distributed pools of objects for high-performance applications on a Multi-core PC.
    VC6, VC7, VC7.1, VC8.0, Dev

Design and Architecture

Book Chapters

  • Chapter 3: JavaFX Primer3 - Prentice_Hall
    JavaFX Script blends declarative programming concepts with object orientation. This provides a highly productive, yet flexible and robust, foundation for applications. However, with this flexibility comes responsibility from the developer.
    Java, Java, Dev

Scrapbook

Articles updated added Last week

Combo & List Boxes

Files and Folders

  • Multithreaded File/Folder Finder - Roger500
    File Find is fast, especially if you have multiple physical drives
    C# (C# 1.0, C# 2.0, C# 3.0), Windows (WinXP, Vista), Dev, SysAdmin

Miscellaneous

  • Programming Microsoft Agent in Windows Forms - Mohammad Elsheimy
    Learn how to program with Microsoft Agent in Windows Forms applications (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0, C# 4.0).NET 1.0, .NET 1.1, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, WinForms

Printing

  • Another DataGridView Printer - aureolin
    DataGridView printing encapsulated in a stand-alone object. Very easy to use! Updated to allow printing columns wider than one page.
    C# (C# 2.0), Windows, .NET (.NET 2.0), Visual Studio (VS2005), Dev

Smart Client

  • Genesis Hybrid Smart Client Framework part II - Stephan Johnson
    This is part II of a VII part series. This article covers the basics of what the Genesis Smart Client is and serves as required reading before reading parts III - VII (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0)

  • Genesis Hybrid Smart Client Framework part III - Stephan Johnson
    This is part III of a VII part series. This article covers the back-end of the Genesis Smart Client Framework including the database design. (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0)

  • Genesis Hybrid Smart Client Framework part IV - Stephan Johnson
    This is part IV of a VII part series. This article covers the windows client of the Genesis Smart Client Framework (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0)

  • Genesis Hybrid Smart Client Framework part V - Stephan Johnson
    This is part V of a VII part series. This article covers the programming concepts that are involved in writing code for the Genesis Smart Client Framework (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0)

  • Genesis Hybrid Smart Client Framework - Part I - Stephan Johnson
    This is part I of VII in a series of articles describing the Genesis Smart Client Framework. This article covers an overview of all the articles available in the series.
    C# (C# 1.0, C# 2.0, C# 3.0)

Ajax and Atlas

ASP.NET Controls

  • ASP.NET PartialHyperLink Control - Uwe Keim
    Introducing a small user control to simplify localization of literal text with contained hyperlinks
    C#, HTML, XHTML, ASP, ASP.NET, WebForms, Ajax

Web Services

  • ExtJS and .NET Web Services - Rafal Ziolkowski
    How to use .NET Web Services in ExtJS
    C# (C# 2.0), Javascript, .NET (.NET 2.0), ASP.NET, Dev

SharePoint Server

Audio and Video

Database

  • Overview of XQuiSoft Data using the provider pattern (open source) - Mike Lang
    A data abstraction layer for .net applications. Write your application code to be database neutral. Swap out the type of database your application uses without updating or even recompiling your business components. (Unedited)
    C#, Windows, .NET, SQL Server, Visual Studio, ADO.NET, Oracle, Architect, DBA, Dev

  • Fast and Easy Data Access with oSo.SimpleSql - Charles T II
    A Data Access Framework using Generics, Lambda Expressions, Fluent Interfaces, and the SqlProviderFactory.
    C# (C# 3.0), .NET (.NET 3.5), ASP.NET, ADO.NET, Dev

  • SqlMetalPlus- A VS Add-in to Manage Custom Changes to DBML - Azeet
    This add-in adds easily accessible context menu commands to your DBML files to either apply custom changes or to refresh the whole DBML file with the latest changes from the database.
    XML, C# 1.0, C# 2.0, C# 3.0WinXP, Vista, LINQ, VS2008, DBA, Dev

.NET Framework

  • Silver JukeBox with an Alternative Client - disore
    An article on how to connect Silverlight 2 with web services in order to create a music library application with browse, search and download features.
    C# (C# 3.0), .NET (.NET 3.5), XAML, WPF, LINQ, Silverlight, Dev

  • Enterprise Library Wrapper Class to Implement Run-time Dynamic Connection Strings Without Using Config File - Raja.Lakshman
    Enterprise Library wrapper class to implement run-time dynamic connection strings without using config file
    VB (VB 7.x, VB 8.0, VB 9.0, VB 6), .NET, ASP.NET, ADO.NET, Dev

  • Changing Display Settings Programmatically - Mohammad Elsheimy
    Learn how to change display settings programmatically via API and .NET Framework (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0, C# 4.0), .NET (.NET 1.0, .NET 1.1, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0), Win32, WinForms, Hardware Topics, Dev

  • Clearing the Console Screen using API - Mohammad Elsheimy
    Learn how to clear the console screen via API calls. In addition, learn some console techniques such as moving the text around the screen. (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0), .NET (.NET 1.0, .NET 1.1, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0), Win32, WinForms

Win32/64 SDK & OS

Windows Communication Foundation

Windows Presentation Foundation

  • WPF/xaml NotifyIcon and Taskbar (system tray) popup window - Murray Foxcroft
    Integrating WPF and XAML with the windows forms NotifyIcon control to produce a slick, styled popup window when the mouse is moved over the NotifyIcon (Unedited)
    C# (C# 3.0), Windows (WinXP, Win2003, Vista, TabletPC, Win2008, Win 7), .NET (.NET 3.0, .NET 3.5, .NET 4.0), XAML, WPF, WinForms, Architect, Dev, Design

  • WPF Menu using ViewModel - Part 1 - Visu.v
    Implementation of WPF menus using View Model approach
    C# (C# 1.0, C# 2.0, C# 3.0), WPF

Windows Workflow Foundation

  • State Machine Work Flow Discussion - Shivprasad koirala
    State Machine Work Flow Discussion (Unedited)
    C# (C# 1.0, C# 2.0, C# 3.0), .NET (.NET 3.0, .NET 3.5), ASP.NET, Architect

C / C++ Language

C#

VB.NET

  • File Association in VB.NET - Nickr5
    Easily associate your programs with file types (.jpg, .html, .mp3) with just 2 lines of Visual Basic code.
    VB (VB 8.0, VB 9.0), Windows (WinXP, Vista), .NET (.NET 2.0, .NET 3.0), Visual Studio (VS2005), WinForms, Dev

Algorithms & Recipes

DLLs & Assemblies

Internet / Network

  • A Simple C++ Client/Server in CORBA - Carlos Jiménez de Parga
    An introduction to the Visual C++ CORBA development
    C++ (VC6, VC7, VC7.1, VC8.0), C++/CLI, C, Windows (Win2K, WinXP), Win32, Visual Studio (VS2005), Architect, Dev, Design

  • Programming control point application using the UPnP Control Point API - amatecki
    The article describes how to use the Microsoft's UPnP Control Point API for finding and controlling UPnP devices, and includes a description of simple library to facilitate the application of Control Point API in your own programs, together with an example of MFC and WinForms applications. (Unedited)
    C++, C++/CLI, C#, Windows (WinXP, Win2003, Vista), Win Mobile, .NET (.NET 2.0), Win32, Visual Studio (VS.NET2003, VS2008), MFC, ATL, STL, COM, WinForms, Dev

Programming Tips

Design and Architecture

  • Showing Dialogs When Using MVVM Pattern - disore
    One solution on how to solve the problem of opening dialogs from a ViewModel when using the MVVM pattern
    C# (C# 3.0), .NET (.NET 3.5), XAML, WPF, Dev

Technical blogs added Last week

Document / View

  • Styling A ScrollViewer/Scrollbar In WPF - Sacha Barber
    A while back I was looking at the Infragistics WPf showcase,Tangerine and I was quite jealous about the scrollbars that they managed to use. I mean styling a Button is one thing, but the ScrollBar is made of lost of nasty different control parts, (Part_XXX elements). Incidently I wrote an article ab (Unedited)
    C++, Windows, COM

  • WPF Flow Document For Beginners - Sacha Barber
    As part of an article that I am creating for www.codeproject.com I decided to look into using the System.Windows.Documents namespace and have a look at seeing if I could make a semi-cool’ish looking document.Now when you use FlowDocuments, there are several container WPF container controls wh (Unedited)
    C++, Windows, COM

Ajax and Atlas

  • ASP.NET AJAX-based Source Code Browser - Jeremy Likness
    This project started out when I began searching for an quick way to put source code on my website to make it easy for guests to browse projects. Time is very valuable so I don't always like downloading a zipped archive and then exploding it to see it - I'd rather have a space online. (Unedited)
    C#, Windows, .NET (.NET 3.5), ASP.NET, GDI+, Ajax, Architect, Dev

Custom Controls

  • Custom Tab Style - Sacha Barber
    A little while ago I mentioned about how important I thought it was to create a brand, and I showed you that you can create some interesting looking controls by Templating/Styling the standard System.Windows controls to create a brand.I also showed you a ScrollViewer and a Tab control which I had a (Unedited)
    Windows

  • Creating Custom Panels In WPF - Sacha Barber
    WPF has a number of layout Panels that you could use straight out the box, there isWrapPanelStackPanelGridCanvasDockPanelAll of which are great, but occasionally you want something a little bit special. Whilst its probably true that you make most creations using a combination of the existing (Unedited)
    Windows

  • Writing Custom LINQ Extension Methods - Sacha Barber
    Microsoft have done a great job with LINQ IMHO. However there are times when it might be handy to create your own LINQ extension methods. LINQ extension methods can be applied to any type provided that the source is of type IEnumerable<T>, so thats really the only requirement.So how do we w (Unedited)
    Windows

  • Direct Input Custom Action Mapping (refresh) - Inaki Ayucar
    ManagedDirectx is quite a bit outdated, and no longer supported by Microsoft, but it will make it for this example on custom action mapping. I´d suggest you to go XNA or SlimDX if you want to do some serious .Net graphics or game development. What´s this post about? It´s about having a decent cont (Unedited)
    Windows

Silverlight

  • Code Browser Take 2: Silverlight - Jeremy Likness
    After publishing an AJAX-based source code browser last week, I decided to do an iteration with Silverlight support. Our company is exploring this technology, so it was the perfect "proof of concept" project to get familiar with Silverlight before wiring it in at the office.Download the Source Code (Unedited)
    C# (C# 3.0), .NET (.NET 3.5), ASP.NET, Silverlight Topics, Architect, Dev

  • Exposing Bindings as Properties of a Control - Colin Eberhardt
    Demonstrates how to create versatile controls which expose bindings for the elements which they contain internally. (Unedited)
    C#, WPF

Web Services

  • Using SoapExtension to manage sessions - Diego Resnik
    If you don't really need a big session management solution that will cost you in performance (no matter what..) and you only want 2-3 parameters that will help you identify some user's preference without all the fuss, consider - soap extension. (Unedited)
    C# (C# 2.0), Windows, .NET (.NET 2.0), ASP.NET, IIS, Architect, Dev

Database

  • SQL. How to find holes in sequences. - Anton Burtsev
    Hello,Did you ever been asked to find all holes in document numbers (docs are sequentially numbered)? I had to do this search twice. Once for auditing purposes: holes may mean some sort of forgery. And now customers want to reuse numbers of deleted docs. And how do you think holes can be found using (Unedited)
    WCF

  • SQL. Running Totals. - Anton Burtsev
    Running totals... Accountants like them so much. But there is no way in SQL to make efficient query that calculate running total. Why? What is running total? It is just previous running total plus current value. But SQL syntax does not give an access to previous rows. (Unedited)
    WCF

.NET Framework

  • MSBuild: Factorial! - Stephen Cleary
    Using MSBuild Targets as general-purpose functions, complete with parameters and return values. (Unedited)
    XML, Windows, .NET Topics, Dev

Win32/64 SDK & OS

  • WPF GlassEffect For Non Vista OS - Sacha Barber
    For those of us fortunate enough to own Windows Vista we can now see transparent windows that show the content behind our window through a glass window. This is down to the Desktop Windows Manager ability to extend the glass effect into the client area. This is however only possible on Windows Vista (Unedited)
    C#

Windows Presentation Foundation

  • Binding To The WPF Visibility Property - Jay Peer
    Click Here to Goto my Blog HomeTargeting visual studio 2008; wpf, xbap, silverlightRecently I had a business need to hide specific XAML elements based off of whether an xml node was present in a bound XML Document. Note though that I did not want to hide the element when I was formatting it in (Unedited)
    VB (VB 9.0), .NET (.NET 3.0), Visual Studio (VS2008), XAML, Dev

C#

  • C#. Static cache and multithreading. - Anton Burtsev
    A few months ago I had to optimize web portal (classified ad). The portal was built on asp.net 1.1. It seemed that portal had 2 main problems: It failed when it was more than 1 user (Collection was modified, etc.)It returned different data for the same page when I setup more than 1 IIS worker proces (Unedited)
    C#

C++ / CLI

  • How To Create A WCF Client Proxy Without Having a Deployed WCF Service - Sacha Barber
    At work we are currently using a very very Agile process, which involves 1/4 hourly builds, which was all going brilliantly with a WPF solution and some Mocks and some NUnit test projects. Then we got to the point where we had to start building our WCF service and have the WPF project obtain a [...] (Unedited)
    VB, Windows, .NET

Algorithms & Recipes

  • Asynchronous Callback Contexts - Stephen Cleary
    End-users do not expect components to raise events after they have been disposed. One major issue when designing asynchronous components is the difficulty of cancellation, particularly during object disposal. (Unedited)
    .NET Topics

Date and Time

  • Creating classes at runtime - S1mm0t
    I've been working on an application that has a number of forms that need to be laid out based on configuration data in the database, this enables the application to meet the requirements of many different customers. Laying out the forms based on the configuration data is relatively trivial - it (Unedited)
    XML, Windows

  • Calling Method Asynchronously With A Timeout - Sacha Barber
    As part of an ongoing project I am just about to finish, I had a need to use a 3rd party web service. Now I am quite an cautious sort of chap when it comes to using web services. So I generally try and ensure that I try and make my code as robust as [...] (Unedited)
    XML, Windows

Internet / Network

  • Detection of Half-Open (Dropped) TCP/IP Socket Connections - Stephen Cleary
    How to detect a dropped TCP/IP connection. (Unedited)
    Windows, .NET CF, .NET Topics, Dev

  • TCP/IP Protocol Design: Message Framing - Stephen Cleary
    (This post is part of the TCP/IP .NET Sockets FAQ)The ProblemOne of the most common beginner mistakes for people designing protocols for TCP/IP is that they assume that message boundaries are preserved. For example, they assume a single "Send" will result in a single "Receive".Some TCP/IP docu (Unedited)
    All Topics, Dev

Threads, Processes & IPC

  • Threadsafe Events - Stephen Cleary
    When writing components in a multithreaded world, one question that commonly crops up is, "how do I make my events threadsafe?" The asker is usually concerned with threadsafe subscription and unsubscription, but threadsafe raising must also be taken into consideration. (Unedited)
    C#, .NET CF, .NET, Dev

  • ThreadSafeObservableCollection - Sacha Barber
    As part of an ongoing article I am just about to finish, I needed a thread safe ObservableCollection<T>. Now the native .NET framework doesn’t have one of those, but luckily it supplies you with the right job to create one using some of the Threading APIs.Here is what I came up with. (Unedited)
    C++, Windows, MFC

Design and Architecture

  • Singleton Pattern - bmwz9
    Sometimes it's important to have only one instance for a class. For instance, there should be only one window manager (or only a file system or only a print spooler) in a system. Usually singletons are used for centralized management of internal or external resources and (Unedited)
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Uncategorised Technical Blogs

  • WPF: Center Child Window - mastermel
    Here’s a method I’ve found for centering a window to either its parent or the main window for the application, in WPF. It’s not too far different from how you do it in WinForms. For the child window set it’s WindowStartupLocation to “CenterOwner.” This will cause (Unedited)
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  • Useful WPF Threading Extension Method - Sacha Barber
    If you are working with WinForms or WPF you will more than likely run into some long running operation that you would like to run in a new thread. A novice may actually try and create a new Thread, which is ok, but that means you are responsible for the entire lifecycle of your new [...] (Unedited)
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  • Restyling WPF ListView Header - Sacha Barber
    Of late I have been working with Net Advantage for WPF by Infragistics, but today we didn’t really need the fully functionality of a DataGrid and needed a rather lighter weight component (basically simply sorting list, no paging, no grouping…just a list), so I turned my attention back to (Unedited)
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  • Generic Support In XAML - Sacha Barber
    I have worked with XAML/WPF for a while now, but it wasn’t until recently I thought about generic support in XAML. I had no idea if it was possible, so I decided to have a quick look into this.Luckily the WPF team thought about this and do actually enable WPF developers the correct mechanisms (Unedited)
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  • A little var love - Sacha Barber
    As we all know one of the things that LINQ gives us is anonymous types that can be used by using the selection query operator, such as  1: var x = new { DateNow = DateTime.Now };  Which will give us an anonymous type with a single DateTime property called "DateNow", which i (Unedited)
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  • How To Bind To Generic Method In XAML - Sacha Barber
    As some of you that have worked with XAML and Generics may know, there is currently no support for Generics in XAML (that is no support for direct binding of methods that use generics).So consider this problemThat I have various bits of static data that are used through out the system, that are he (Unedited)
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  • NUnit STA Threads & Testing WPF - Sacha Barber
    During the course of the WPF project we are working on at work, we decided to go down the Agile/XP/TDD/Mocks/Continuous Integration route, which means Unit tests, lots of them.We are using NUnit, which I really like, but we are also using WPF, we are obviously using the latest/greatest patterns AKA (Unedited)
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  • xamDataGrid RecordsFound Adorner - Sacha Barber
    At work we are using the Infragistics .NET Advantage For WPF, one control of which is the xamDataGrid. We had a small requirement that was to show a label over the grid whenever no records were obtained for the xamDataGrid.DataSource.Now I could have tackled this in a simple manner where I placed t (Unedited)
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  • Lookless Controls / Themes - Sacha Barber
    One of the great things about WPF is that it separates the functionality of a control from the way it looks, this has become known as “lookless controls”. Which is great, but how can we ensure that our custom controls behave and also have a default look in the first place. This mini arti (Unedited)
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  • .NET 3.5 SP1 StringFormat Binding Property Weirdness (A Rant) - Sacha Barber
    There are some great things in the .NET 3.5 SP1 for sure, one of them is very useful which is the new StringFormat Binding property, which means that you do not need to write ValueConverters any more to create a formatted value for the Binding. I really like this little addition to WPF. The o (Unedited)
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  • Reading Feeds with XLINQ - Sacha Barber
    I have done a number of projects that all parse RSS Feeds using XLINQ. Which in itself is awesome, and much easier than using old XML techniques. Where I would so something like 1: public static List<PhotoInfo> LoadLatestPictures() 2: { 3: try 4: [...] (Unedited)
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  • WPF Localization - Sacha Barber
    recently at work I was asked to look into Localization techniques when working with WPF/XAML. There are some excellent sources around that cover the various different techniques such asthis excellent article which outlines the following techniquesUsing LocbamlLocbaml is a localization tool that M (Unedited)
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  • A Moan About ImageBrush In WPF - Sacha Barber
    I am working on a 3D article in WPF, and I wanted to use an ImageBrush but was having some issues with it, so I decided to split this out into a small test app.I had the following setupAnd I simply wanted to test this out by creating an ImageBrush that I could use to [...] (Unedited)
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  • Dragging Element In A Canvas - Sacha Barber
    You know when there is something you have done a million times, but for the life of you, you just can’t seem to be able to remember how to do it. Well responding to mouse movements, is my bug bear.Today I had to drag an element in a container in WPF, and try as I [...] (Unedited)
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  • Creating A Scrollable Control Surface In WPF - Sacha Barber
    Have you ever had a requirement that called for the user to be able to scroll around a large object, such as a diagram. Well I have, and I have just started working on a hobby project where I need just such a feature. We probably all know that WPF has a ScrollViewer control which [...] (Unedited)
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  • WPF : Binding to individual collection items (but not in a ItemsControl) - Sacha Barber
    Well I had a great day yesterday, and quite a surprising one, I had an issue with an idea I was working on, so naturally I turned to Josh Smith.And guess what I, yes me the mere mortal managed to teach Josh something about WPF…Ha Ha, check that.So here is what I taught Josh…..(still ca (Unedited)
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  • Cool Database Tool - Sacha Barber
    For the last 2 months Jan/Feb 2008, I have won the C# article of the month at codeproject, and as such, I receive a lot of free software. Which I normally don’t ever look at. The reason for this is simple. I write articles to share with people, so these free bits of software really [...] (Unedited)
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  • All New .NET 3.5 3D Elements - Sacha Barber
    I have started looking at 3D again in WPF. I have in the past blogged about the Viewport2DVisual3D 3D WPF element. Well for what I am working on I didn’t need to be able to put 2D interactive elements on a 3D surface, but I did want the 3D object to able to respond to [...] (Unedited)
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  • Explicitly Updating And Validating Databindings In WPF - Sacha Barber
    The other day I was working on something for a Codeproject article, where I needed to bind part of my UI to an underlying data object. I want to use all the good validation thing such as a Validation Style to use for my TextBox, and also the use of the new .NET 3.5 interface [...] (Unedited)
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  • A WPF GiftWorse (AKA Xceed DataGrid for WPF) - Sacha Barber
    Now some time ago I wrote an article at Codeproject that was a simple contact keeper which used LINQ / XLINQ and one of its core requirements was an editable datagrid.The article was published at Codeproject and can be found right here.Those that use WPF will know that there is NO native control w (Unedited)
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  • Winforms / WPF Interop - Sacha Barber
    In this blog entry I will discuss what you need to do to successfully interop Winforms with a WPF application and vice versaIn order to evaluate these 2 different interop methods, 2 demo projects have been created which carry out the functionality shown below :.NET Winforms userControl within a . (Unedited)
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  • Consistent Window Look & Feel - Sacha Barber
    As part of a beginners WPF series (Beginners WPF series) that I am writing at codeproject, I just start to write an article on DependancyProperties. As part of that, I started to write a bunch of demo projects to illustrate the joy of DependancyProperties to people. As a side effect, I had to think (Unedited)
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  • How to stream XLINQ - Sacha Barber
    From time to time when you are using XLINQ to query XML data, you may find that you are dealing with a very large XML file. Loading a very large XML file using the standard XLINQ Load() method may not be appropraite due to the size of the XML file. Instead some sort of streaming [...] (Unedited)
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  • SQL Server CLR Functions - Sacha Barber
    Today we had a requirement to do some pretty strange stuff in SQL which required us to call an encryption library in SQL server. This is something I had not done before, so I thought I would blog about it.There are several steps involved.1. Create the CLR Dll for the SQL function to use, and [...] (Unedited)
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cheers,
Chris Maunder
The Code Project

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