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Windows Presentation Foundation

WPF, .NET platform and Visual Studio enable you to develop data-centric, modern line of business applications

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.NET Framework

Power, security, and flexibility.

.NET Framework for desktop provides a comprehensive and consistent programming model for building data-centric applications that enable seamless and secure communication.

Rich, productive, extensible

Windows Presentation Foundation (WPF) and XAML combine into a rich presentation system for building Windows desktop applications with visually stunning user experiences that incorporate UI, media, and complex business models. Rapidly develop enterprise-class line of business applications with a comprehensive set of features like controls, data binding, animation, styles, templates and more.

IntelliSense, navigation, refactoring

Enhance your developer productivity with advanced syntax highlighting, IntelliSense code completion, and intuitive source navigation in the code editor built on the .NET Compiler Platform (“Roslyn “) . Optimize and maintain your code-base with powerful refactoring and duplicate code detection tools.

Professional, sophisticated experiences

Create engaging user interfaces for Windows Desktop Applications with Blend for Visual Studio, the premier professional design tool for XAML applications. Build beautiful transitions and visualizations using Blend’s full suite of vector drawing tools, powerful template editing features, real-time animation, visual state management and more.

Azure, Office 365, Salesforce and more

Easily integrate with cloud services like Azure, Salesforce and Office 365 with the Visual Studio Services Manager for Connected Services. Seamlessly manage your servers, services and databases with features like Server Explorer and Data Sources.

Debug and analyze

Troubleshoot, diagnose, fix.

Streamline your development experience with first class debugging features like IntelliTrace, Code execution control and inspection, UI debugging tools for XAML, and a great experience for understanding and resolving Exceptions.

Measure, identify, improve

Optimize your WPF applications by using tools like CPU Usage, Memory Usage, GPU Usage and App Timeline in the Performance and Diagnostics hub. Identify bottlenecks and improve your performance with a scenario-centric view of resource usage in your application.

Validate, automate, manage

Adopt testing practices such as manual, automated, exploratory and load testing with Visual Studio and Team Foundation Server. Easily automate the process of building, deploying, and running tests in your lab environment with Visual Studio’s Lab Management tools.

Package, publish, update

Create packages for Microsoft Windows Installer using the Visual Studio Setup Projects. Build and publish self-updating applications using Visual Studio’s support for ClickOnce .

Vibrant ecosystem

Open source, controls, frameworks, and tools.

Engage with a passionate developer community and quickly adopt established and emerging patterns and practices with a large number of third-party and Open Source libraries. The community is further bolstered by the presence of reputed control and tool vendors building extensive sets of components and controls for the platform.

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Free, fully-featured IDE for students, open-source and individual developers

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Professional developer tools, services, and subscription benefits for small teams

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End-to-end solution to meet demanding quality and scale needs of teams of all sizes

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WPF is a .NET Core UI framework for building Windows desktop applications.

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Repository files navigation, windows presentation foundation (wpf).

Windows Presentation Foundation (WPF) is a UI framework for building Windows desktop applications.

WPF supports a broad set of application development features, including an application model, resources, controls, graphics, layout, data binding and documents. WPF uses the Extensible Application Markup Language (XAML) to provide a declarative model for application programming.

WPF's rendering is vector-based, which enables applications to look great on high DPI monitors, as they can be infinitely scaled. WPF also includes a flexible hosting model, which makes it straightforward to host a video in a button, for example.

Visual Studio's designer, as well as Visual Studio Blend, make it easy to build WPF applications, with drag-and-drop and/or direct editing of XAML markup.

As of .NET 6.0, WPF supports ARM64.

See the WPF Roadmap to learn about project priorities, status and ship dates.

WinForms is another UI framework for building Windows desktop applications that is supported on .NET (7.0.x/6.0.x). WPF and WinForms applications only run on Windows. They are part of the Microsoft.NET.Sdk.WindowsDesktop SDK. You are recommended to use the most recent version of Visual Studio to develop WPF and WinForms applications for .NET.

To build the WPF repo and contribute features and fixes for .NET 8.0, Visual Studio 2022 Preview is required.

Getting started

• .NET 6.0 SDK , .NET 7.0 SDK
• .NET Preview SDKs (8.0 daily, 7.0 servicing)
• Getting started instructions
• Contributing guide
• Migrating .NET Framework WPF Apps to .NET Core
• We are currently developing WPF for .NET 8.

See the WPF roadmap to learn about the schedule for specific WPF components.

Test published at separate repo Tests and have limited coverage at this time. We will add more tests, however, it will be a progressive process.

The Visual Studio WPF designer is now available as part of Visual Studio 2019.

How to Engage, Contribute and Provide Feedback

Some of the best ways to contribute are to try things out, file bugs, join in design conversations, and fix issues.

• This repo defines contributing guidelines and also follows the more general .NET Core contributing guide .
• If you have a question or have found a bug, file an issue .
• Use daily builds if you want to contribute and stay up to date with the team.

.NET Framework issues

Issues with .NET Framework, including WPF, should be filed on VS developer community , or Product Support . They should not be filed on this repo.

Relationship to .NET Framework

This code base is a fork of the WPF code in the .NET Framework. .NET Core 3.0 was released with a goal of WPF having parity with the .NET Framework version. Over time, the two implementations may diverge.

The Update on .NET Core 3.0 and .NET Framework 4.8 provides a good description of the forward-looking differences between .NET Core and .NET Framework.

This update states how going forward .NET Core is the future of .NET. and .NET Framework 4.8 will be the last major version of .NET Framework.

Code of Conduct

This project uses the .NET Foundation Code of Conduct to define expected conduct in our community. Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting a project maintainer at [email protected] .

Reporting security issues and security bugs

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) [email protected] . You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the Security TechCenter .

Also see info about related Microsoft .NET Core and ASP.NET Core Bug Bounty Program .

.NET Core (including the WPF repo) is licensed under the MIT license .

.NET Foundation

.NET Core WPF is a .NET Foundation project.

See the .NET home repo  to find other .NET-related projects.

Code of conduct

Security policy, releases 152, contributors 142.

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Windows Presentation Foundation

The Windows Presentation Foundation (or WPF), formerly code named Avalon, is the graphical subsystem feature of the .NET Framework 3.0 (formerly called WinFX) and is directly related to XAML. It is pre-installed in Vista, the latest version of the Microsoft Windows operating system. WPF is also available for installation on Windows XP SP2 and Windows Server 2003. It provides a consistent programming model for building applications and provides a clear separation between the UI and the business logic. A WPF application can be deployed on the desktop or hosted in a web browser. It also enables richer control, design, and development of the visual aspects of Windows programs. It aims to unify a host of application services: user interface, 2D and 3D drawing, fixed and adaptive documents, vector graphics, raster graphics, animation, data binding, audio and video.

WPF/E is a subset of WPF, and stands for "Windows Presentation Foundation Everywhere". It is basically a mobile version of WPF, based on XAML and Javascript. 3D features are not included, but XPS, vector-based drawing, and hardware acceleration, are. Wikipedia

This site was created in 2006. It was dedicated to everything Windows Presentation Foundation. Andrew Whiddettt (CTO), Victor Gaudioso and John Woo are WPF Engineers who helped guide those so inclined to learn WPF via articles, blogs, downloads and tutorials. Each of these engineers had their own blog.

An Update: I wonder how these three engineers would have reacted to the news that Zendesk was going to kill its Windows Phone app in 2017. I work for a company that offers customized help desk support to Zendesk clients. Our phones were ringing like crazy when this announcement was first made. Zendesk is a global provider of customer service software. They operate in 150 markets. In 2012 the company launched its Windows Phone app in the Market. However in November 2016 Zendesk announced that it was going to end support for its Windows Phone app and the app would only receive any emergency maintenance updates after Dec 31st 2016. Arggg!!! went our clients. In 2017 we had to explain to clients that due to the low usage of its Windows Phone app, Zendesk was just going to kill it. The app was removed from the Windows Store completely in April 2017 and was no longer be available for download for Windows Phone users. It was understandable if Zendesk didn't have enough users to justify making the proper updates and support. We told customers that Zendesk recommended they switch to an iOS or Android OS platform to keep enjoying the features of its Zendesk App. We also offered other work-a-rounds, but some clients were initially very unhappy. I was burned out by the end of that week. My one consolation was that the company just happened to be upgrading our offices and the reception area that same week with Italian modern furniture that was really sleek and cool. The furniture company, room service 360°, they ordered from is located in Philadelphia. I've driven by it many times but never associated it with business furniture. Turns out room service 360° offers stunning modern furniture from many Italian brands among others, for both the home and office. The makeover of the company was impressive and had a very positive impact on the employees moral. And the feedback from both our old and new customers was irrefutable: They loved the new look. Thank you management.

Now it's time to hit the road and drive home. I always like getting home. My affectionate Alaskan Malamute, Nanette, greets me at the door, ready to have some fun. We have a routine that includes a three-mile run and playing frisbee, a game she loves. Nanette is surprisingly agile for such a large dog, and catching that frisbee is her favorite part. It's a good thing I have several acres of land for her to use up all her energy before we go in for the night. Speaking of hobbies and outdoor activities, I recently got into golf, inspired by the themes of this year's Forum, which emphasized wellness and personal growth. Just last week, I picked up a Tour Edge golf club , a brand recommended by a friend. This club has been a fantastic addition to my leisure time, providing a great way to relax and improve my game. I'm planning to spend more time at the local golf course, honing my skills and enjoying the open spaces, much like Nanette enjoys her time outdoors. This evening, after our run and frisbee game, I might even practice a few swings in the backyard. It's going to be a good evening, indeed. Oh yes.

The selected content below taken from Victor Gaudioso’s blog posts.

June 1, 2011

The LASLUG Raffle Chooser App has been Published in the Windows Phone 7 Marketplace

Victor @ 1:57 pm

If you attended our May 25, 2011 Los Angeles Silverlight Usergroup (LASLUG) meeting then you saw Kim S (LASLUG Special Event Coordinator) use the custom built Raffle Chooser Windows Phone 7 Application to choose the Winning Raffle Tickets.

Well, I figured that this could be a handy tool for our other .NET Usergroups such as LA C# Usergroup or even our friends at SoCal Code Camp ran by Woody

Pewitt (@woodyp on Twitter) as I think they all hold raffles as well. So I published it on the Zune Marketplace.  It is under the Social Category and is FREE!

You can Install the Raffle Chooser app directly from here: http://tinyurl.com/4xhcltr

If  you would like the source code feel free to email me at victorg at laslug dot com.

Thanks!  Victor

April 29, 2011

The Los Angeles Silverlight Usergroup (LASLUG) is Growing by Leaps & Bounds – State of the Usergroup

— Victor @ 12:07 am

Hello LASLUGers!

Today we had an occurrence that sets us apart as a premier .NET Usergroup;  today we hit the BIG TIME: Telerik has signed on to become a proud sponsor  of the Los Angeles Silverlight Usergroup.  In their own words, Telerik’s Emily Parker writes “ (we) provide 1 Telerik Ultimate Collection valued at $1999/month. This license is our largest bundle so it includes tons of software – check them out here: www.telerik.com/purchase.  I know you said other’s do two licenses/month but this license is a  huge bundle which always goes over well.  We send a demo CD with the license codes on them so your winners can just walk away with this and they are all set! “  

 Are they awesome or what? 

 Mission Statement:

To provide the local Los Aneles .NET community (with an emphasis on Silverlight & WPF) with the finest speakers that the planent has to offer.  Further, we pledge not to ever charge any of our members any money for this service.  While most other usergroups are free to attend they tend to charge for the raffles whereby they give away prizes.  We not only offer free gourmet pizza, beer, softdrinks and deserts we offer free prizes.  It is our goal to provide every member in attendence with a free prize be it a small prize such as a DevExpress tee-shirt, or a Microsoft Flash drive to something more significant such as an Apress book on how to do game programing for Windows Phone 7 to something very expensive such as Telerik’s Ultimate Silverlight Software Collection (a $1999.00 value).  Further, we promise to update our venues to make it easier for some members to attend one month and then easier for other members to attend another month.  We also feel this keep the group fresh and reduces the chance of them becoming bored with LASLUG meetings.  Finally, we have commited to our sponsors to help them add to their customer base by touting the positive aspects of their products and by encouraging our members to use their decision-making power at their places of employment to employ these books and tools if they enjoy the products we give to them as prizes. We also promise our sponsors high-visibility on our website (www.laslug.com) as well as in our meetings.

So Wed May 25th is the tentative date for our next  LASLUG  meeting and the first meeting we will be giving away  Software  from:

1.  Telerik  (one copy of Ultimate Collection – Value: $1999.00);

2.  DevExpress  (two copies of Silverlight Controls for Silverlight – Value: $799.99 (times two));

3.  Syncfusion  (two copies of Essential Studio Enterprise Edition – Value: $1,995.00 (times two));

4.  VIBlend  (VIBlend WPF Controls package – Value: $349.000), (VIBlend Silverlight Controls package – Value: $499.00).

We will also be giving away books:

1.  Apress  - Four titles to be determined – Approximate Value: $50.00 (times four));

2.  FreindsOfEd -  One title, two copies - Expression Blend 4 with Silverlight – Value: $49.00 (times two));

3.  Safari Books Online  (10 day free trial and 20% off with purchase of a year subscription).

We will also have swag from:

1. Mircosoft

2. DevExpress

3. Syncfusion

This comes out to a total of  $9,283 .  So by the time the meeting takes place I expect the prizes to be valued at  well over $10,000 .

And this is just as of right now…we are currently in talks with  O’reilly, Manning, Anheuser-Busch, New Belgium Brewers  and a few others.

So look for email blasts from me and the management team with regards to new sponsorship and meeting details.  Once you get the meeting announcement please secure your spot  ASAP  as space is limited and I think that will all of these new  prizes ,  swag ,  gourmet pizza  and  beer  the meeting is going to fill up  fast!  

October 2, 2010

An Amazing Review of my new Silverlight 4 Book

—  Victor @ 12:26 am

A reader named Peter Henry wrote an awesome review of my new Silverlight 4 book on his blog.  Its funny, the way he describes my writing style is EXACTLY what I was shooting for;  that is, as if I were right over your shoulder telling you step by step how to develop in Silverlight using Blend and Visual Studio.  Here is his review, you can also read it here: http://www.pchenry.com/Home/tabid/36/EntryID/343/Default.aspx

A few weeks ago, I saw a message on Twitter asking people to reply to get a free book.  Now, usually I disregard those emails/phone calls/unsolicited advancements with utter and complete contempt (too polite? LOL) but this time around I thought I might read this a bit further.  

The posting was from Simon Yu from apress.com, he was asking for reviewers for an upcoming Expression Blend book.  Interesting.  I was familiar with the previous book (Expression Blend 3) since Sylvain had bought one last year and I was kind of envious he was learning WPF and Expression Blend with this book.  Ya, it looked that impressive when I leafed through it.

But then……..life got busy, work got busy…..life just happened…..you probably know what I mean right?  Well, fast forward to Simon’s posting and I thought, eeehhhhh……what’s the worst that can happen?  Oh ya, he could be bogus and I get spammed forever?  AAAAAHHHHH let’s try it out, could be interesting?

As I would say to Bert lately, “long story short”, I got the book in the mail (thank you very much Simon!) and I have to tell ya, WOW!!!!!!!!!!!!  VERY COOL!  I guess in the last year, I’ve kind of gotten a bit gun-shy with the whole WPF/XAML/Blend thing.  Why?  Not quite sure why actually…..just that there’s A LOT to bite off to get something done.  Layout managers, data binding, POCOs or EF, WCF or web services, resources, triggers, behaviours, then there’s the whole XAML and Blend thing…..maybe you’re where I am?  You feeling a bit OVERWHELMED with all that?

Well, this is where this book comes into play.  I said to myself, with WP7 coming out, I’m getting on that band wagon and I’m going to do WPF this time!  Yes siree Bob!  Who’s Bob?  I don’t know, that’s the expression!  Anyways, here are my first impressions!

• Who’ the book aimed at?  People like me!  COOL!
• It’s NOT 800 pages!
• It reads less like MSDN and more like a book that keeps you excited!  Sorry MSDN, no slight against you, when I goto you, I want info HERE AND NOW, nothing pretty, nothing fancy, but when I’m reading about something brand new, I need a bit of spoon feeding and a bit of excitement to keep me interested.
• “LOTS of pretty pictures!”  Which is good for a visual designer tool that Blend is!  Ironic eh?  Lots of sites, even books don’t have pictures, WTF?  The HUGE benefit of pictures is I can see IMMEDIATELY when I’m begining to deviate away from the lesson and starting to get lost.  Not here!
• Juicy info is had right away, not half way through the book.  Ever read a Tom Clancy book?  Doesn’t matter which one, they ALL, only get interesting half way through.  Boooooooring!  Not with this book!
• Yes, I did get the book for free, but NO I’m not biased nor inclined to give this book a good rating just because of that.  I’m cheap, but I’m also not looking to make my living with book reviews.  I have ONE objective with this book, to learn Blend!
• And my last, first impression, which is the most important point in this post, Victor’s writing feels COMPLETELY interactive and dynamic.  Think about it, it’s a book written months ago, and it STILL feels like a conversation with him right there!  What do I mean?  He does this a lot and I love it…..he explains something, and I’m thinking…but, but but……then in the very next sentence he answers my very same question in my head.  Ya, and he does that continuously.  I’ve done good and bad training courses before, this guy writes this book like a beautiful training course.  I’m 50pgs into it and have HUGE expectations now for him to continue doing his “set’em up and knock’em down” style of teaching!

So, there you have it, my first impressions about this new book from Victor Gaudioso.  Keep your eyes peeled on this blog for a followup blog with my end of book review.  Now it’s time to grab a coffee and get coding (well, reading and coding that is LOL).

Thanks so much Peter!  Victor

May 26, 2010

New Speaking Event: Microsoft Book Signing/Silverlight 4 Presentation

— Victor @ 11:45 am

On Saturday June 19th, 2010 from 7:00 to 9:00 pm (PST) I will be signing copies of my latest book Foundation Blend 3 with Silverlight and presenting/demoing the new features of Silverlight 4 at the Microsoft Store in Mission Viejo, California!

Join me as I show how to use the new Webcam and COM APIs, show how to build Out-Of-Browser (OOB) Silverlight applications and talk about Sketchflow Prototyping with Silverlight.

There will be plenty of prizes and give-aways from our sponsors.  Microsoft will be giving away copies of the Expression Blend Suite, Apress will be giving away some of its most popular book titles based on .NET technologies and finally DevExpress will be giving away copies of its popular Silverlight Tools.

Join us for an evening of book signing, food and drinks, presentations and everything Silverlight!  attendance is free but RSVP as space is limited. 

See you there!

April 6, 2010

My Microsoft MVP Award!

— Victor @ 2:43 pm

My MVP Award just came in the mail and it did not disappoint.  There was a really nice plaque, a glass award, an MVP ID card and an MVP pin. Take a look at the video of me opening my award!

March 5, 2010

An Interesting Journey with a Man Named Ted

— Victor @ 8:24 am

As you probably know,  I am very serious and passionate about my love for Silverlight and Blend; I love the technology and possess a burning passion for teaching it.  If any of you know me you know full well that if you ask me for help I will do all I can to help you understand this medium and to be productive in it. 

As you also know I write books on Blend and Silverlight; I do so for a couple of reasons:

First, I do it to help those interested to learn this platform.  Silverlight and Blend are amazingly easy to use once you know how.  Sadly learning how can be difficult.  To facilitate the ease of learning this medium I decided to write books under the Apress/Friends of Ed flagship  Foundation  series.  I have two books already published and currentlyI am writing my third on SL 4/Blend. 

The second reason I write books is so that I have creditability as a bonafide  SL/Blend expert.  That being the case people will listen to my teachings and when I raise issues to my friends over at MSFT I get some very good responses. 

What I  DON”T  write these books for is money; it is all about the passion I possess.  To be honest, I don’t make a whole lot of money writing these books; if you were to break it down I probably end up making less than $5.00 per hour. 

So, whenever I receive a new review on Amazon I am quick to read it in hopes to understand how the public feels about my publication and how I can improve my next book.  As an example of this, I have my book’s Amazon link on my smart phone’s desktop. I click it at  least  once per day to look for new comments. 

The comments thus far have been quite positive (currently the book has 4 out of 5 stars).  So, whenever I get a negative comment my heart sinks and I am deeply saddend and concerned. 

As it happens just such a comment came down the pike a few days ago. In this review a man named Ted stated that there is entirely too much code in my book and being that it is a Blend book this should not be the case. 

While this review did hurt my feelings I had to admit the guy had a valid point.  But to be sure I grabbed a copy of my book and started to thumb through it and this validated what he had stated: there was in fact too much code for a Blend book.  So, I commented back and told Ted that his comment “ cut me to the core ” and that he did in fact have a valid point.  I apologized and promised that I would do better on my new book slated to come out this summer. 

Ted quickly responded and was a little apologetic that he had hurt my feelings but stuck by his point. He accepted my ap0logy and said that he looked forward to my next book.  But I didn’t feel that I had done enough for Ted.  Sure I had helped him understand that there are real people behind these books that have real feelings but what had I done to  help him?  This was a reader that put his faith in me to help them learn Silverlight and Blend and I had left him wandering aimlessly in the woods.  Not cool! What to do?

So, I decided that Ted would be one of those readers that is smart enough not to need to be guided through a narrative on how to learn Silverlight  and Blend.  After some thought it hit me that Ted is one of those that would benefit from a “ take one from column A and one from column B ” kind of learning regime. 

With that, I pointed Ted at my  personal blog where I have about 30-40 free Silverlight video tutorials.  They range from “ how to build a chrome button in Blend”  to “ how to de-serialize XML into native Silverlight objects .”

The danger of pointing a Silverlight newcomer to these videos is there is no structure, the reader is free to run wild and possibly tutorialize themselves into total confusion. 

Which, by the way I think my beginner books are great:  I take your hand at the very beginning and then walk you through, step by step how I think you should learn Silverlight and Blend and then when I think you are ready I let your hand go and tell you to now go forth and learn, you are ready.

So, this morning I received an email from a very excited and happy Ted telling me that my videos are what he has been looking for since he started this mission to learn Silverlight/Blend some 15 days ago.  Further, he was so satisfied he was compelled to post a comment entitied  “Must Watch – Must Read Resources for Blend!”  on the Microsoft Expression website, found  Below are a couple of excerpts from his post:

“…He explained things I had not seen in any help files or any other videos in 14 days of research.  You might be tempted to skip the first video about the UI, don’t do it!  One of the HUGE keys to understanding Blend is understanding the interface….”

“…Trust me, if you watch Victor’s videos, you will have about 50% fewer questions on how to do things in Blend.  If you work through the self paced tutorial, you will have another 50% reduction.  Just think, you will actually be able to do something in Blend, not wait for answers here, and when you DO have a question, it will probably be code related or something pretty esoteric that these experts can really sink their teeth into!…”

So now I have fulfilled my goal of helping one more person who wants to learn Silverlight and Blend.  And along the way, I discovered a way to make my new book better and even made a friend along the way.  Thanks Ted, my friend.

November 26, 2009

A Rough Draft of my New Silverlight 4 Book (due out in 2010)

— Victor @ 12:52 pm

Apress/Friends of Ed has engaged me to write a follow up to my last book Foundation Blend 3 with Silverlight . This new book will have all of the information from my last book as it is still relevant for Silverlight 4 but will also include the many wonderful new features of Silvelright 4.  I have created a rough draft for the Table of Contents for the new book and have decided to share it with you.  Please feel free to help me out and provide me with comments so that I can provide you with the best product to help those that are interested learn Silveright.

Table of Contents (working name: Foundation: Silverlight 4)

• Setting up the development environment (Blend 3  probably Blend 4 when released, Visual Studio 2010, Silverlight 4 Tools, Silverlight 4 Runtime)
• The Blend 3 (probably 4) Integrated Development Environment: The Toolbar, panels, artboard, workspace modes (Animation v Design)
• C#, XAML, and Object Oriented Programming
• Controls: Including the new Silverlight 4 Controls: ViewBox, RichTextArea ,  FlowDirection Property, the Improved DataGrid
• Timed Storyboards: Creating a Newton Cradle application
• Using the VSM and Blend 3’s State panel to create a Silverlight Media Player
• Behaviors: Included behaviors and custom behaviors: Using the FarseerPhysics engine to create a simple Silverlight 4 video game
• The Silverlight MediaElement: Create a video player application with Behaviors, XML serialization, and the new Silverlight 4 Drop property
• Using RIA services with the Silverlight 4 Network Authentication
• Events and EventHandlers including SL 4 right-click and MouseWheel event handling
• Classes and Interfaces
• ControlTemplates, Styles and Custom UserControls
• Writing a Custom Silverlight 4 Content Panel
• Writing a Silverlight 4 Out of the Browser application with Elevated Trust and the new Silverlight 4 COM API
• DataBinding: What is it? Improvements in Silverlight 4: DependencyObject Binding,  StringFormat ,  TargetNullValue, FallbackValue
• Silverlight 4 Managed Extensibility Framework (MEF)
• Building a Sketchflow Prototype
•  The Silverlight 4 Printing and Open Save APIs: Create an Image Printer application
• Creating a Photobooth application with the Silverlight 4 Microphone and Webcam API
• Miscellaneous Silverlight 4 Features:  The Clipboard API,  Command support for Buttons,  HTML support, the Notification API, TextTrimming, Full Keyboard access in Full Screen,  Offline DRM support, Data Validation, ,Fluid user interface support, Implicit theming for Controls, Google Chrome support

This is actually my first week of WPF and it has been a frustrating one as it is very difficult to install the WPF authoring environment. The reason for this is because MS has not released the final build for WPF as of yet. So, in order to install the authoring environment you have to install a few different things. They are:

  1. The .NET 3.0 Framework (if you have .NET 2.0 framework it might be best to uninstall it first.

  2. Visual Studio 2005 (Visual Studio Express is free and should work).

  3. Orcas.

  4. MS Interactive Designer (formally known as Sparkle)

  5. Visual Studio Extensions (so you can create a WPF project).

This should get you up and running. Soon, I will post a blog about creating a very simple WPF application. However, in the meantime I would suggest you get Jesse Libery's and Brian MacDonald's book on C#, called C# 2005 and Jessey Libery's book called, ironically enough C# and brush up on your C#. Good luck. Victor

Today I am posting my first WPF application. It is simple but I think it does show the power of the WPF 3D engine. If you have trouble seeing it you may have to download IE 7. Soon, I will post a tutorial on how I built it; you will be amazed on how simple the code for this was. Victor 

I have been in WPF bootcamp for the last three weeks and have learned quite a bit. Soon, I will post tutorials on how to style buttons as well as how to make a simple video player. Keep checking back. Victor 

We have written an exporter for 3DS Max so I have been learning the basics of that program. I made a simple model of a lightsaber with a simple rotation animation and exported it to XAML. Take a look:

Blend Beta 2 is out. I don't know if you have used this but this is awesome for the design side of WPF. I still use Visual Studio for the C#. 

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How to fix? The subsystem needed to support the image type is not present (Windows Presentation Foundation Font Cache 3.0.0.0)

Hello, I deleted some files which was in Windows.old folder and belonged to Windows Presentation Foundation Font Cache 3.0.0.0 (Files was active; I stopped Windows Presentation Foundation Font Cache 3.0.0.0 service and deleted them) . Now I cant run more than half of the programs and all setups on my PC. Every time I run affected program or setup i get error: "The subsystem needed to support the image type is not present". What I need to do? How to solve or fix or repair this problem?

CHKDSK - not fixed

SFC - Error "There is a system repair pending which requires reboot to complete. Restart Windows and run sfc again." (When I restarted same happened)

DISM - Error " This app can't run on your pc"

From where I can download or repair Windows Presentation Foundation Font Cache 3.0.0.0?

I have no backup so I can't pick files from "older versions"

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Thank you soooooo much! I lost only one game which was installed after creating a recovery point. But I finnaly can download and run programs like in old, good times. 😎

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Victor M. Mukhin was born in 1946 in the town of Orsk, Russia. In 1970 he graduated the Technological Institute in Leningrad. Victor M. Mukhin was directed to work to the scientific-industrial organization "Neorganika" (Elektrostal, Moscow region) where he is working during 47 years, at present as the head of the laboratory of carbon sorbents.     Victor M. Mukhin defended a Ph. D. thesis and a doctoral thesis at the Mendeleev University of Chemical Technology of Russia (in 1979 and 1997 accordingly). Professor of Mendeleev University of Chemical Technology of Russia. Scientific interests: production, investigation and application of active carbons, technological and ecological carbon-adsorptive processes, environmental protection, production of ecologically clean food.   

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Tutorial: Create a simple WPF application with C#

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By completing this tutorial, you become familiar with many of the tools, dialog boxes, and designers that you can use when you develop applications with Visual Studio. You create a "Hello, World" application, design the UI, add code, and debug errors, while you learn about working in the integrated development environment ( IDE ).

Prerequisites

• If you haven't already installed Visual Studio, go to the Visual Studio downloads page to install it for free.
• Make sure the .NET desktop development workload is installed. You can verify this configuration in the Visual Studio Installer.
• You can use either .NET Framework or .NET Core for this tutorial. .NET Core is the newer, more modern framework. .NET Core requires Visual Studio 2019 version 16.3 or later.

What is WPF?

WPF, or Windows Presentation Foundation, is a UI (user interface) framework that creates desktop client applications. The WPF development platform supports a broad set of application development features, including an application model, resources, controls, graphics, layout, data binding, documents, and security.

WPF is part of .NET, so if you have previously built applications with .NET using ASP.NET or Windows Forms, the programming experience should be familiar. WPF uses the Extensible Application Markup Language XAML to provide a declarative model for application programming. For more information, see WPF .NET overview .

Configure the IDE

When you launch Visual Studio, the start window opens first. Select Continue without code to open the development environment. You see tool windows, the menus and toolbars, and the main window space. Tool windows are docked on the left and right sides of the application window. The search box, menu bar, and the standard toolbar are located at the top. When you load a solution or project, editors and designers appear in the central space of the application window. When you develop an application, you spend most of your time in this central area.

Create the project

When you create an application in Visual Studio, you first create a project and a solution. For this example, you create a Windows Presentation Foundation (WPF) project.

Open Visual Studio.

On the start window, choose Create new project .

On the Create a new project screen, search for "WPF," choose WPF Application , and then choose Next .

At the next screen, give the project a name, HelloWPFApp , and choose Next .

In the Additional information window, .NET Core 3.1 should already be selected for your target framework. If not, select .NET Core 3.1 . Then, choose Create .

Visual Studio creates the HelloWPFApp project and solution, and Solution Explorer shows the various files. The WPF Designer shows a design view and a XAML view of MainWindow.xaml in a split view. You can slide the splitter to show more or less of either view. You can choose to see only the visual view or only the XAML view.

For more information about XAML (eXtensible Application Markup Language), see the XAML overview for WPF page.

After you create the project, you can customize it. To do so, choose Properties Window from the View menu, or press F4 . Then, you can display and change options for project items, controls, and other items in an application.

On the start window, choose Create a new project .

In the Additional information window, verify that .NET 8.0 is selected for your target framework. Then, choose Create .

Design the user interface (UI)

If the designer isn't open, select MainWindow.xaml and press Shift + F7 to open the designer.

We add three types of controls to this application: a TextBlock control, two RadioButton controls, and a Button control.

Add a TextBlock control

Press Ctrl + Q to activate the search box and type Toolbox . Choose View > Toolbox from the results list.

In the Toolbox , expand the Common WPF Controls node to see the TextBlock control.

Add a TextBlock control to the design surface by choosing the TextBlock item and dragging it to the window on the design surface. Center the control near the top of the window. In Visual Studio 2019 and later, you can use the red guidelines to center the control.

Your window should resemble the following illustration:

The XAML markup should look something like the following example:

Add a TextBlock control to the design surface by choosing the TextBlock item and dragging it to the window on the design surface. Center the control near the top of the window. You can use the guidelines to center the control.

Your window should resemble the following image:

Customize the text in the text block

In the XAML view, locate the markup for TextBlock and change the Text attribute from TextBox to Select a message option and then choose the Display button.

Center the TextBlock again if you like, and then save your changes by pressing Ctrl+S or using the File menu item.

Next, you add two RadioButton controls to the form.

Add radio buttons

In the Toolbox , find the RadioButton control.

Add two RadioButton controls to the design surface by choosing the RadioButton item and dragging it to the window on the design surface. Move the buttons (by selecting them and using the arrow keys) so that the buttons appear side by side under the TextBlock control. Use the red guidelines to align the controls.

Your window should look like this:

In the Properties window for the left RadioButton control, change the Name property (the property at the top of the Properties window) to HelloButton .

In the Properties window for the right RadioButton control, change the Name property to GoodbyeButton , and then save your changes.

Next, you add display text for each RadioButton control. The following procedure updates the Content property for a RadioButton control.

Add two RadioButton controls to the design surface by choosing the RadioButton item and dragging it to the window on the design surface. Move the buttons (by selecting them and using the arrow keys) so that the buttons appear side by side under the TextBlock control. You can use the guidelines to align the controls.

Add display text for each radio button

Update the Content attribute for the two radio buttons HelloButton and GoodbyeButton to "Hello" and "Goodbye" in the XAML. The XAML markup should now look similar to the following example:

Set a radio button to be checked by default

In this step, we set HelloButton to be checked by default so that one of the two radio buttons is always selected.

In the XAML view, locate the markup for HelloButton.

Add an IsChecked attribute and set it to True . Specifically, add IsChecked="True" .

The XAML markup should now look similar to the following example:

The final UI element that you add is a Button control.

Add the button control

In the Toolbox , find the Button control, and then add it to the design surface under the RadioButton controls by dragging it to the form in the design view. If you're using Visual Studio 2019 or later, a red line helps you center the control.

In the XAML view, change the value of Content for the Button control from Content="Button" to Content="Display" , and then save the changes.

Your window should resemble the following illustration.

In the Toolbox , find the Button control, and then add it to the design surface under the RadioButton controls by dragging it to the form in the design view. The guidelines can help you center the control.

Your window should resemble the following screenshot.

Add code to the display button

When this application runs, a message box appears after a user chooses a radio button and then chooses the Display button. One message box appears for Hello, and another appears for Goodbye. To create this behavior, you add code to the Button_Click event in MainWindow.xaml.cs .

On the design surface, double-click the Display button.

MainWindow.xaml.cs opens, with the cursor in the Button_Click event.

Enter the following code:

Save the application.

When you double-click the Display button, Click="Button_Click" is added to the XAML.

Debug and test the application

Next, you debug the application to look for errors and test that both message boxes appear correctly. The following instructions tell you how to build and launch the debugger, but later you might read Build a WPF application (WPF) and Debug WPF for more information.

Change the name of MainWindow.xaml

Let's give MainWindow a more specific name. In Solution Explorer , right-click on MainWindow.xaml and choose Rename . Rename the file to Greetings.xaml .

Find and fix errors

In this step, you find the error that we caused earlier by changing the name of the MainWindow.xaml file.

Start debugging and find the error

Start the debugger by pressing F5 or selecting Debug , then Start Debugging .

A Break Mode window appears, and the Output window indicates that an IOException has occurred: Cannot locate resource mainwindow.xaml .

Stop the debugger by choosing Debug > Stop Debugging .

We renamed MainWindow.xaml to Greetings.xaml , but the code still refers to MainWindow.xaml as the startup URI for the application, so the project can't start.

We renamed MainWindow.xaml to Greetings.xaml at the start of this tutorial, but the code still refers to MainWindow.xaml as the startup URI for the application, so the project can't start.

Specify Greetings.xaml as the startup URI

In Solution Explorer , open the App.xaml file.

Change StartupUri="MainWindow.xaml" to StartupUri="Greetings.xaml" , and save the changes.

As an optional step, it avoids confusion to change the title of your application window to match this new name.

In Solution Explorer , open the Greetings.xaml file that you just renamed.

Change the value of the Window.Title property from Title="MainWindow" to Title="Greetings" , and save the changes.

Start the debugger again (press F5 ). You should now see the Greetings window of your application.

Now close the application window to stop debugging.

Debug with breakpoints

You can test the code during debugging by adding some breakpoints. You can add breakpoints by choosing Debug > Toggle Breakpoint , by clicking in the left margin of the editor next to the line of code where you want the break to occur, or by pressing F9 .

Add breakpoints

Open Greetings.xaml.cs , and select the following line: MessageBox.Show("Hello.")

Add a breakpoint from the menu by selecting Debug , then Toggle Breakpoint .

A red circle appears next to the line of code in the far left margin of the editor window.

Select the following line: MessageBox.Show("Goodbye.") .

Press the F9 key to add a breakpoint, and then press F5 to start debugging.

In the Greetings window, choose the Hello radio button, and then choose the Display button.

The line MessageBox.Show("Hello.") is highlighted in yellow. At the bottom of the IDE, the Autos, Locals, and Watch windows are docked together on the left side, and the Call Stack, Breakpoints, Exception Settings, Command, Immediate, and Output windows are docked together on the right side.

On the menu bar, choose Debug > Step Out .

The application resumes execution, and a message box with the word "Hello" appears.

Choose the OK button on the message box to close it.

In the Greetings window, choose the Goodbye radio button, and then choose the Display button.

The line MessageBox.Show("Goodbye.") is highlighted in yellow.

Choose the F5 key to continue debugging. When the message box appears, choose the OK button on the message box to close it.

Close the application window to stop debugging.

On the menu bar, choose Debug > Disable All Breakpoints .

View a representation of the UI elements

In the running app, you should see a widget that appears at the top of your window. The widget is a runtime helper that provides quick access to some helpful debugging features. Select the first button, Go to Live Visual Tree . You should see a window with a tree that contains all the visual elements of your page. Expand the nodes to find the buttons you added.

Build a release version of the application

Now that you've verified that everything works, you can prepare a release build of the application.

On the main menu, select Build > Clean solution to delete intermediate files and output files that were created during previous builds. This step isn't required, but it cleans up the debug build outputs.

Change the build configuration for HelloWPFApp from Debug to Release by using the dropdown control on the toolbar (it says "Debug" currently).

Build the solution by choosing Build > Build Solution .

Congratulations on completing this tutorial! You can find the .exe you built under your solution and project directory ( ...\HelloWPFApp\HelloWPFApp\bin\Release ).

Congratulations on completing this tutorial! To learn even more, continue with the following tutorials.

Continue with more WPF tutorials

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