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| The Latest from Mark's Blog of Random Thoughts | MORE | | Removing the Close Button on a WPF window Of course, I’m using WPF to show the simulator – and I wanted to create a topmost window that did not have a Close button on it. Today I was building a simple simulator to test some events to a new piece of hardware I’m working on. Imagine my surprise when I realized there was not a set of flags you could supply to the Window object to actually achieve this result! However, with a little Win32 mojo we can get the desired effect: public partial class MainWindow. {. public MainWindow(). {. SourceInitialized += MainWindow_SourceInitialized ; InitializeComponent(); }. Mark's Blog of Random Thoughts - Monday, March 22, 2010 MVVM: Binding RadioButton groups IsChecked ="{ Binding SelectedValue , Converter ={ StaticResource CheckValueAgainst }, ConverterParameter =Yellow"/> This solves the problem and required no real code changes, but of course, I didn’t want to stop there – I just had to whip up a quick MVVM version to show how I’d do this if I were responsible for the application! A question I got recently was how to manage Radio Buttons with bindings – in this instance, the sample code was trying to map a single value to a set of Radio Buttons based on an enumeration set. fs28 cf1 cf3 par ??} -->. < RadioButton Content ="Blue". Mark's Blog of Random Thoughts - Friday, January 29, 2010 rCAT 2.0 is online, 3.0 is coming And it, of course, is all MVVM. The main project I’ve been working on the past few months has been a rRNA sequencing application. It’s a joint project involving Microsoft Research and the University of Texas in Austin. The goal being to produce lightning fast visualizations (nucleotide, 2D and 3D) with very large (100,000 sequence) data sets on WPF. It’s been a big learning experience for me in many ways because the traditional mechanisms for dealing with things in WPF just flat out fail when we load big datasets and start scrolling them around. rCAT 4.0 Fun stuff! NET MVVM WPF Mark's Blog of Random Thoughts - Thursday, January 28, 2010 | | The Best from Mark's Blog of Random Thoughts | MORE | | WPF Data Providers This, of course, is because the data is really an XmlNode object which the ListBox has no idea how to display. One of the nifty new features of the WPF platform is the pluggable data providers. It ships with two out of the box: ObjectDataProvider: allows you to execute binding expressions against an object and it's methods. XmlDataProvider: loads an XML data source and makes it available as a binding source. Both of these derive from the abstract class System.Data.DataSourceProvider which implements the binding glue ( INotifyPropertyChanged ) needed for data binding. State, Age, Income. Mark's Blog of Random Thoughts - Wednesday, January 17, 2007 Handling "Unhandled Exceptions" in.NET 2.0 Well, of course there's a reason - and it's that both applications had "hidden" exceptions being thrown in some background thread that weren't being caught. I got hit with this problem from two separate clients last week - a.NET 1.1 application ported to.NET 2.0 is now terminating abruptly for no apparent reason. Under.NET 1.1, the CLR would print any exceptions that occurred on threadpool threads to the console and then return the thread to the pool. In addition, the CLR would silently eat any exception thrown on the finalizer thread (again printing the stack trace to the console). Mark's Blog of Random Thoughts - Monday, March 13, 2006 Focusing on WPF: How to deal with Focus() in the WPF world You can, of course, also assign focus programmatically but it turns out to not be as easy as you’d think. Recently I was involved in a project where we needed to build a multi-step input application where each step showed progress and you could proceed forward and backward through the pages. looked at the Navigation support in WPF (which is nice) but ultimately decided to model it around a styled TabControl – each page being a tab and the progress noted through the custom TabItem visuals across the top. It all works great and looks fabulous. Part 1: Focus Basics. Mark's Blog of Random Thoughts - Monday, September 1, 2008 | - rCAT 2.0 is online, 3.0 is coming
And it, of course, is all MVVM. The main project I’ve been working on the past few months has been a rRNA sequencing application. It’s a joint project involving Microsoft Research and the University of Texas in Austin. The goal being to produce lightning fast visualizations (nucleotide, 2D and 3D) with very large (100,000 sequence) data sets on WPF. It’s been a big learning experience for me in many ways because the traditional mechanisms for dealing with things in WPF just flat out fail when we load big datasets and start scrolling them around. rCAT 4.0 Fun stuff! NET MVVM WPF - Removing the Close Button on a WPF window
Of course, I’m using WPF to show the simulator – and I wanted to create a topmost window that did not have a Close button on it. Today I was building a simple simulator to test some events to a new piece of hardware I’m working on. Imagine my surprise when I realized there was not a set of flags you could supply to the Window object to actually achieve this result! However, with a little Win32 mojo we can get the desired effect: public partial class MainWindow. {. public MainWindow(). {. SourceInitialized += MainWindow_SourceInitialized ; InitializeComponent(); }. - MVVM: Binding RadioButton groups
IsChecked ="{ Binding SelectedValue , Converter ={ StaticResource CheckValueAgainst }, ConverterParameter =Yellow"/> This solves the problem and required no real code changes, but of course, I didn’t want to stop there – I just had to whip up a quick MVVM version to show how I’d do this if I were responsible for the application! A question I got recently was how to manage Radio Buttons with bindings – in this instance, the sample code was trying to map a single value to a set of Radio Buttons based on an enumeration set. fs28 cf1 cf3 par ??} -->. < RadioButton Content ="Blue". - rCAT 2.0 is online, 3.0 is coming
And it, of course, is all MVVM. The main project I’ve been working on the past few months has been a rRNA sequencing application. It’s a joint project involving Microsoft Research and the University of Texas in Austin. The goal being to produce lightning fast visualizations (nucleotide, 2D and 3D) with very large (100,000 sequence) data sets on WPF. It’s been a big learning experience for me in many ways because the traditional mechanisms for dealing with things in WPF just flat out fail when we load big datasets and start scrolling them around. rCAT 4.0 Fun stuff - Handling "Unhandled Exceptions" in.NET 2.0
Well, of course there's a reason - and it's that both applications had "hidden" exceptions being thrown in some background thread that weren't being caught. I got hit with this problem from two separate clients last week - a.NET 1.1 application ported to.NET 2.0 is now terminating abruptly for no apparent reason. Under.NET 1.1, the CLR would print any exceptions that occurred on threadpool threads to the console and then return the thread to the pool. In addition, the CLR would silently eat any exception thrown on the finalizer thread (again printing the stack trace to the console). - Fun with forwarding.
Forwarding lines with ATAPI.NET is simple and easy (assuming, of course, that the underlying TSP supports it). The first step is knowing whether a given line device even supports forwarding. This is trivial: TapiManager. mgr = new TapiManager ( "ForwardingTest" ); >. foreach ( TapiLine line in mgr.Lines). {. if (line.Capabilities.SupportsForwarding). {. Console.WriteLine( "Line {0} supports forwarding!" , line.Name); }. } >. Once we've identified a specific line, we can look at each address and get more information such as the types of forwarding supported. try. {. try. {. - Remember to unregister your anonymous delegate!
Of course, I've lost the benefit of being able to hook up events through VS.NET because it always generates seperate functions and I would need to cache off the Publisher instance as well as my delegate in that case. I love anonymous delegates - I think they are extremely useful and allow me to solve some problems in very elegant ways. However, once you really get into them, you start to see the dark side of anonymous delegates and that is unregistration. So for example, if I had a form which wanted to process some activity from an object: class Publisher. {. class MainForm : Form. {. %>
348 Articles match "Course"
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"Course"
| The Latest from DevelopMentor | MORE | | Dialogue Sheets - update & new planning sheet When I do training course I always give teams one or two retrospective dialogue sheets for them to use for their first retrospectives. 'Last month InfoQ carried an update on the use of retrospective dialogue sheets. The use of these sheets continues to grow and I continue to receive good feedback. If you’ve tried the sheets and haven’t sent me some feedback than please e-mail me and let me know about your experiences. And for those of you who’ve not tried a dialogue sheet retrospective, whats stopping you? The Dialogue Sheet PDFs are free to download. Allan Kelly's Blog - Tuesday, May 7, 2013 Reblogged: What should I learn to get started in.NET and web development? Here’s my advice along with a bunch of courses you can use to accomplish this efficiently and affordably. Here are the related LearningLine courses from DevelopMentor which will walk you through this path. Because you can preview the first lesson of each course, you have about 7 hours free and the rest are all included in an affordable $29 subscription. If a lesson (task) happens to be shared across courses, you’ll see it already marked as completed for you and you can just skip to the next. Hope you all find it useful here as well]. How do I do that?” Michael C. Kennedy's Weblog - Monday, May 6, 2013 Why Choose NoSQL and Document Databases over RDBMS This is an excerpt from my upcoming online MongoDB course for DevelopMentor. Filed under: NoSQL Tagged: DevelopMentor , LearningLine , NoSQL , Online courses , Online learning , Screencasts. NoSQL DevelopMentor LearningLine Online courses Online learning Screencasts 'Do you want to know the biggest single reason you should choose document databases over SQL Server, Oracle, or MySQL? Hint: It’s not performance or scalability. You can take the first 1 1/2 hours for free here: Early access: MongoDB and NoSQL for.NET developers. Cheers, @mkennedy. Michael C. Kennedy's Weblog - Friday, May 3, 2013 | -
| The Best from DevelopMentor | MORE | - Why Choose NoSQL and Document Databases over RDBMS
This is an excerpt from my upcoming online MongoDB course for DevelopMentor. Filed under: NoSQL Tagged: DevelopMentor , LearningLine , NoSQL , Online courses , Online learning , Screencasts. NoSQL DevelopMentor LearningLine Online courses Online learning Screencasts 'Do you want to know the biggest single reason you should choose document databases over SQL Server, Oracle, or MySQL? Hint: It’s not performance or scalability. You can take the first 1 1/2 hours for free here: Early access: MongoDB and NoSQL for.NET developers. Cheers, @mkennedy. - Take the first hour of any online developer course for free at LearningLine
We are announcing the ability to preview any of our online courses, for free without entering any payment information. You can now study approximately the first hour of any one of our courses. To get started, just head over to our schedule page , click on any course title you’d like and choose “ Preview course for free “: . At the time of this writing, there are 27 courses which run between 4 and 15 days in length. So head on over to the schedule page and find a course that is right for you: https://learninglineapp.com/schedule. - ELINQ with EF 4.0 Course Update
I’ve been working feverishly the last couple of months to update my DevelopMentor course: Essential LINQ with Entity Framework 4.0. Here is a breakdown of the course content: Day 1: 1. Here’s when and where we’re offering the course: Boston: February 9-12, 2010 London: February 23-26, 2010 Los Angeles: March 30-April 2, 2010 Boston: April 20-23, 2010 London: May 4-7, 2010 Los Angeles: June 8-11, 2010 Boston: June 29-July 2, 2010. Functional Programming in C# 2. LINQ to Objects 3. LINQ to XML. Day 2: 4. LINQ to SQL 5. EF: Architecture 6. EF: LINQ to Entities. Day 3: 7. Tony and Zuzana's World - Tuesday, December 29, 2009 - Richard Blewett: Devweek 2013–WCF Crash Course
Thanks to everyone who attended my Devweek 2013 pre-conference session on WCF. You can get the slides and demos here DevelopMentor Courses - Tuesday, March 5, 2013 - Flowcharts in Workflow 4 and the Switch activity
Of course the FlowSwitch should just to a ToString() on the expression result , anything else would be pointless as any comparison fails. Flowcharts are a nice addition to Windows Workflow Foundation 4. They allow for a lot of pretty complex behavior that is hard to do in a sequential workflow. In WF 3 we used to model these complex behaviors as state machine workflows. That worked but they weren't really state machines or event driven and things could get a bit tricky. No it is just another activity to drop in a workflow. guess you get the picture. So far so good. Next (5). Enjoy! The Problem Solver - Tuesday, October 27, 2009 %>
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