the cinch v2

Most WPF/Silverlight users will be well used to the idea of calling Commands in ViewModels from their Views. Saved from hsn.com. So after much to'ing and fro'ing, I took the decision to remove logging for Cinch V2; if you think this was a bad idea, please let me know and I can add it back in. I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins), modified on Thursday, May 5, 2011 8:25 AM, Interface that is used for ICommands that notify when they are, Simple delegating command, based largely on DelegateCommand from PRISM/CAL, now raise CommandCompleted for this ICommand. I realised that I never allowed for any state object to be passed into the background worker Func delegate, so I have made a few cosmetic changes to the BackgroundTaskManager which is now BackgroundTaskManager to accommodate this. And here is an example view with the ViewnameToViewLookupKeyMetadata: And that is how the ViewResolvers Dictionary is populated ready for the Attached DP to call upon it to create the View that matches the requested View type from the WorkspaceData that is being bound to in the DataTemplate. Oct 3, 2013 - We R Memory Keepers The Cinch V2 Book-Binding Kit. All italic text taken from Glenn Block's blog post: http://blogs.msdn.com/b/gblock/archive/2008/12/25/using-exportprovider-to-customize-container-behavior-part-i.aspx up on date 13/06/2010. In fact, I feel this compatibility matrix is so important it will be included in the introduction of every Cinch V2 article. This requires two things that you need to include in your own WPF projects: But you will also need to use this Style for the TabControlEx to work: Just for completeness, here is what I do in the WPF demo app to provide closeable TabItems, where the PART_Close Buttons is bound to the WorkspaceData that was used to create the DataTemplate being applied to the TabItem. Just punch holes, thread sheets, and cinch wire. In this article, we will examine what is brand new to Cinch V2, and where appropriate, I will show you if it is replacing some Cinch V1 functionality. Ver más ideas sobre encuadernado, encuadernacion, tarjetas familiares. The GetExport / GetExports methods return lazy instantiated objects which are of type Export. This is what the complete code for the CompletedAwareGotoStateCommandTrigger looks like: And this is what your XAML might look like (although the demo app doesn't include this, I have tried it outside of the demo apps and it does work): It can be seen that you can tell it whether it is being used at root level within the VisualTree, in which case it will use a standard GoToStateAction, or else it will use the ExtendedVisualStateManager. Probably one of the best places to start with MEF is the MEF CodePlex site, which is available using any of the MEF links within this article. One thing I really like is that if you are not happy with how this works, Marlon has given you the ability to swap in your own IComposer implementations into the LocatorBootstrapper, which allows you to be in control of how the design time/runtime catalogs get created. If you take a look at the ExportProvider API, you'll see the following: At first glance, you may be thinking, wow that looks anything but simple. Now, some might argue that there is support for this already by simply using the standard Blend Actions/Triggers. You can read more about this approach using this Cinch V1 article link: CinchIII.aspx#CloseVM. It used to use the Unity IOC container with the option to supply a different IOC container. This is only done for Exports that implement IContextAware. Re: Great toolkit used in commercial product. I've started to try to use MVVM in an application and it is first now that I appreciate the work you have done. Handles changes to the ViewCreator property. I'm using Cinch for months and it's great for MVVM! All we are really looking to achieve is that the ViewModel that MefedMVVM constructs for the View (as outlined above) has the correct services passed in as constructor parameters. Now that I have shown you what classes will work with WPF/Silverlight, let's get on with the rest of this article, shall we? OK so that is what the article roadmap looks like, so I guess it is now time to dive into the guts of this article, so lets go: Now we can get into the guts of this article which is really the new stuff that has been added to Cinch V2; some of it is a rewrite of Cinch V1 stuff that has been rewritten to current best practices, such as using Blend interactivity. Cinch V2 goes a step further and provides a Blend Trigger that is expecting to be bound to a SimpleCommand that has a CommandCompleted event, and will run the Triggers Actions when the CommandCompleted event fires. Anyhow, all that said, I used to have a bunch of Attached DPs in Cinch V1, and by and large, these have just morphed their way into Blend Interactivity Actions/Behaviours/Triggers, but there are some new ones in here too. So how do they work? Cinch V1 had Attached DPs that could be used to fire ViewModel ICommands when various key gestures (such as CTRL + F1) occurred. Provides a focus behaviour base class that attempts, to focus elements by matching their bound property paths, Attempts to force focus to the bound property with the same propertyPath, Delay the call to allow the current batch. And once it has an instance, it will call either of the two Initializer CreateViewModel() methods. Why is ObservableDictionary.CollectionChanged protected? Great for making mini albums, recipe books, journals and more. SimpleCommand Reflection Problem [modified], About EventArgs in Commands + a vote of 5, Re: About EventArgs in Commands + a vote of 5, Showcasing Cinch MVVM framework / PRISM 4 interoperability. So then what happened is, I kept destroying my brain by reading and re-reading Marlon's implementation, and in the end, I just felt that Marlon's implementation was closer to what I was trying to do, and then I got another email from Marlon stating he was giving a talk on his library, which I attended. I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins), The Metal Crypt: http://www.metalcrypt.com, Gets the ViewModel property. It then grabs the DataContext (MEF supplied) from the View, and stores it back in the WorkspaceData object, such that the code that created the WorkspaceData object will have a link to the newly created ViewModel. View ProductWe R Memory Keepers The Cinch Bookbinding Tool - Round V2- Find Lowest Price- List All Stores- Visit Ideal WorldThe new and improved bookbinding tool from We R Memory Keepers punches up to 20 sheets at once! So that is precisely what I set out to do, and I have been working hard on that the past month or so, and I have now finished bringing Cinch bang up to date, and am totally stoked with the results. I have one last story for you. Majority of these methods are different ways for specifying a set of exports to retrieve, a format to return them, and whether or not it is a single item or a collection that is returned. See if we have a target attribute - if so, register the method as a handler. Anyway, that is all for now. Krakowiaków 80/98 02-255 Warszawa Sklep stacjonarny otwarty: Poniedziałek – Piątek: 11.00 - 19.00 Sobota: 11.00 - 19.00 Niedziela: 11.00 - 19.00 Telefon: 22 828 02 13 Kom: 519 600 263519 600 263 Within MefedMVVM, there is an Attached DP called ViewModel which is located in the ViewModelLocator class. Shop We R Memory Keepers The Cinch V2 Book-Binding Kit, read and more . This interface defines a interface that will allow, This method should show a window that allows a file to be selected. And that is how we manage to get contextual data from the workspace into the View and also into the ViewModel via the View (using the IWorkspaceAware interface on the View). 1 x Cinch Book Binding Tool V2-11.5-inch x 8-inch x 5-inch From the manufacturer Find inspiration with a range of high quality tools and accessories for scrapbooking, card making, journaling, planning and more! See the MEFedMVVMExportProvider in there? Fellow WPF Disciple Philip Sumi has a nice class called TreeHelper, which I have now included in Cinch V2, which offers various methods such as: Could I just ask if you have enjoyed this article, and feel it is going to help you out, could you please show your support by leaving a vote/comment? Cinch V1 kind of provides workspaces via DataTemplates. Whilst MefedMVVM was being developed, Marlon, Glenn Block (Microsoft MEF Program Manager) and I were having some quite lengthy discussions about how to handle ViewModels that needed to link to the View. As I previously stated, MefedMVVM allows for this by using an Attached Property that allows the view to find its ViewModel dynamically. As the NavProps DP is expecting the parent to be a Border, you must supply a Border as the root container within the DataTemplate, so this is quite important. Roughly speaking, MEF's core is comprised of a catalog and a CompositionContainer. One of the most important things you need to consider when wanting to use design time data and MefedMVVM (and therefore Cinch V2) is the View first approach which allows designers to be able to actually see what the finished article will look like. Well, recall I started this section by stating that Marlon, Glenn Block (Microsoft MEF Program Manager), and I were all looking for a nice way to make a View aware service that could be a regular Export using MEF, but this time, it would have the View injected into it as part of its creation. Oct 3, 2013 - We R Memory Keepers The Cinch V2 Book-Binding Kit. (The original requires an adjustment bar for smaller wires) Easy to turn knob at top of Cinch bar for selecting wire diameter Well, what does that do for us? So here is what you might have in your ViewModel: And then in your View, you might have something like this: And here is what this might look like in Expression Blend: All you have to to do is enter a custom binding and enter the Command Binding as shown above, obviously replacing the Command for your own command in your ViewModel. This diagram tries to illustrate some of the inner workings of how MEF works. You would set the ExportViewModelAttribute on the ViewModel as shown below, and also implement a special MeffedMVVM interface called IDesignTimeAware. Arts & Crafts online: Cinch Book Binding Tool V2, 2011, Fishpond.com Cinch Book Binding Tool V2 by We R Memory Keepers - Shop Online for Arts & Crafts in the United States We use cookies to provide essential features and services. Well, quite a bit actually: So what does the new SimpleCommand look like: Some of the more eagle eyed amongst you may have noticed a CommandCompleted WeakActionEvent, which we will discuss in the next section. Free shipping. Cinch V1 had two Attached DPs that could be used to fire ViewModel ICommands when various View lifecycle events (such as Loaded/Unloaded) occurred. holes, customize hole spacing, punch any length of book, and . Kids' Crafts. Karl Shifflett has a nice post on this: http://karlshifflett.wordpress.com/2009/10/28/ddesigninstance-ddesigndata-in-visual-studio-2010-beta2/. The other thing to note is that the workspaces are really only intended to be bound against a ItemsControl, and as such you must stick to using ItemsControl or any of its super types, such as TabControl/ListBox etc. In your ViewModel, whenever you want to set focus for a TextBox, do something like: And in your XAML for your TextBox, have something like this: If the property your TextBox is bound to is not a DataWrapper property, simply set IsUsingDataWrapper="false". Those plug-ins would often be application-specific and could not be reused across multiple implementations. The retrieval of design time or runtime exports is done by the MEFedMVVMCatalog, which works as follows: Which if we just go back and have a look at the MefedMVVM LocatorBootstrapper again. Craft Instructions For Kids. That is done by a special catalog called MEFedMVVMCatalog. Sep 13, 2012 - Brett Lund from Roberts Arts & Crafts discusses the differences between the original Cinch from We R Memory Keepers, and the new Cinch v2. So how does it do that exactly? Here is how you would use it in your XAML: This is also a pretty standard behaviour that can be used to fire a ViewModel Command whenever a Selector item is double clicked; although the WPF demo app does not have an example of this, this is how you would use it within XAML: If you don't care about the EventArgs making their way into the ViewModel, you can simply declare the ViewModel code like this: If however you want to know about the EventArgs that caused the Command to fire, you would do something like this in your ViewModel: It can be seen that you can get all the relevant information, such as: Note: I am not an advocate of having UI type objects in my ViewModel, as it is harder to test, but some folk love it, so I do provide that within the args.EventArgs / args.Sender objects, but I have to say I have never had to do this sort of thing in any ViewModel code I have ever written. The only bad thing with this is that your ViewModel now contains code that is only used at design time. The outright winner was the Bind-it-all. You may also notice that this class delegates some work to a base class, that is where the actual focus work takes place, so let's have a look at that too. 5.33331L 1.33333,8L 1.086e-007, Laser cut venting on the sides, breathable fabric and a multi-panel interior moisture management system makes this style perfect for fitness based activities or hot climate conditions where heavy perspiration is a concern. This is a rewrite of the SimpleCommand that was available in Cinch V1. This is the case; as far as I know, there is no support for VS2010 design time data, and MefedMVVM really only works in Blend. And this is exactly what MefedMVVM does, so basically, when you add a reference to the MefedMVVM DLL, you are allowing MefedMVVM to include the Assembly that references MefedMVVM as part of the overall CompositionContainer that contains the Exports. See how this also deals with DataWrappers. ConverterParameter=True}", This class was obtained from Daniel Vaughan (a fellow WPF Discple), http://www.codeproject.com/KB/silverlight/Mtvt.aspx, SynchronizationContext interface that provides, various thread marshalling calls to be done, Singleton class providing the default implementation. I stole this directly from Dr. WPF, and it is a fantastically well written class that is basically a bindable ObservableDictionary, like it says on the tin. Note: This is a departure from how services worked in Cinch V1, there is no longer any IOC container or ServiceResolver. It is not that easy, believe me. Especially nice for all those little gifts you need for your kids' friends. Cinch V2 Binder -vs- Bind-it-all This Blog will only interest fellow crafters. Int32 x = be.GetBoundValue(positionBinding); Look at all instance/static properties on this object type. Now this is OK I guess, but as far as I know, there are some pretty serious restrictions on this, such as: Now that may suit you, but I tell you what, it certainly does not sit well with me. To be honest, I am so much happier with the new framework than the old one, that I do not mind these breakages. Recall from earlier, we briefly touched on an Attached DP called NavProps. We R Memory Keepers The Cinch makes booking binding quick, . Kable i taśmy - Cinch (RCA) - porównanie cen sprzętu komputerowego w sklepach internetowych. SimpleCommand now looks like this: SimpleCommand where T1 is the ICommand.CanExecute(Object parameter) parameter type (so this is really CanExecute(T1 parameter) ) and T2 is the ICommand.Execute(Object parameter) parameter type (so this is really Execute(T2 parameter). Now going back to the MEF overview image I included at the start of this article: You can see that CustomExportProvider is something that the CompositionContainer can make use of. The compatibility matrix shows a list of classes along with their general work area, and whether they are compatible with WPF or SL or both. Wejdź i znajdź to, czego szukasz! Finally, if any of the overloaded GetExport(s)/GetExportObject(s) methods on the ExportProvider that do not accept an ImportDefinition are called, internally an ImportDefinition will be created. You can punch perfectly round . You must abide by these two notes....If you don't, this will result in non-working workspaces, so just follow these notes and you should be fine. Child classes can override this method to perform. So we have several Views which use MeffedMVVM to create a ViewModel within a TabControl. This dependency property. The ViewModel first and DataTemplates method is still supported by Cinch V2, and MeffedMVVM can still be used to supply design time data, though the way you have to create the ExportViewModelAttribute on the ViewModel would need to be told that the ViewModel is expecting to be set directly as the DataContext for a View (say via a DataTemplate), which would be the case in a ViewModel first approach using DataTemplates as done in a Cinch V1'ish style app. But that still doesn't answer how MefedMVVM knows which services (design time or runtime) to inject into the ViewModels. The default MEF composable part implementation uses attribute-based metadata to declare exports and imports. The basic idea is this: So what does the code look like? cardinality is an enum which specifies the cardinality of the exports, it can be ZeroOrOne (one max, but zero is allowed), ExactlyOne, or ZeroOrMore (a collection of 0 to N). Encontrá Scrapbook The Cinch V2 Engargola - Libros en MercadoLibre.com.ar! So a 5 from me. So once you have an idea of what your catalog setup will be, you must then configure the CompositionContainer, which is where all the current parts are made available. This book binding tool allows you to punch properly and evenly spaced holes, with no measuring required. So that is what the article roadmap looks like, I guess it is now time to dive into the guts of this article, so let's go: Now for those that know me, you will know that I like code, and that I like to create my own code, and occasionally, I do work well with others (unlike Baboons who do not work well with other, cheeky Baboons). Note: In Cinch V1, there was also support for input gestures firing commands; with WPF 4, this is less than trivial, and can be achieved using the following sort of code: This section discusses Workspace support in Cinch V1 (OK, there was no MeffedMVVM support in V1, I mean a V1'ish approach in V2 really) and Cinch V2 proper. Cinch V1 provided some basic logging using log4Net and the Simple Logging Facade (SLF). This is some code from the Cinch V2 WPF demo app: See how I am creating two workspaces there using the WorkspaceData, and you may also notice in the workspace 1 code above, I am even passing in some contextual data to it, which we will get to in a minute. As I just stated, MefedMVVM does this using the Instance.Resolver.GetViewModelByContract(), so let's have a look at that. What on, I hear you ask. The Cinch Bindery Tool is from WeR Memories and measures 11½"x8"x5". Occurs when changes occur that affect whether the command should execute. So to do this, you need to create a custom ExportProvider and associate that with your CompositionContainer somehow. . I do not want to have a default constructor that allows my ViewModel to be created possibly in an invalid state. 4L 8,6.66669L 6.66667,8L 4, If you missed some of the utilities in Cinch V1, here is a brief description of what they did: Anyway, for Cinch V2, I have also included these extra utilities: As Silverlight does not have a PropertyChangedEventManager, I thought I would provide one to fill the gap (WPF has this class, of course). Parts in MEF carry exports and imports. Last Visit: 31-Dec-99 19:00     Last Update: 26-Feb-21 5:05, All demo code is available at Cinch's CodePlex site, A walkthrough of Cinch, and its internals I, A walkthrough of Cinch, and its internals II, How to Unit test ViewModels using Cinch, including how to test backgroundworker threads which may run within Cinch ViewModels, Cinch V2: Introduction and MEFedMVVM and ViewModel/Service Resolution, Cinch V2: A Deep Dive Into What Has Changed/What Has Stayed The Same, Cinch V2: Dissecting the Silverlight 4 Demo App, http://marlongrech.wordpress.com/2010/05/23/mefedmvvm-v1-0-explained/.

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