For those doing pure MVVM, how do you handle a ComboBox SelectionChanged event without reverting to code behind? I tried e.g. AttachedBehaviors but Event="SelectedChanged" is not supported: <C...

When looking at sample attached properties and behaviors, I've seen a mishmash of uses of FrameworkPropertyMetadata, UIPropertyMetadata and PropertyMetadata. Since they all form an inheritance hier...

I know I need to call RemoveValueChanged, but I have not been able to find a reliable place to call this. I'm learning that there probably isn't one. I looks like I need to find a different way to ...

I am using Resharper 5.1 code analysis many a times i get a comment from resharper as "Event unsubscription via anonymous delegate" #Part of Code if (((bool)e.NewValue)) { listView.Pre...

I'm working on a WPF MVVM application. The thing that I'm noticing is that I have to write an inordinate amount of boilerplate code just to declare commands (through DelegateCommands from the WPF T...

In WPF and WinRT it is well known that behaviors do not call their Detach method reliably. The only way to avoid a memory leak is to subscribe to the Unloaded event of the AssociatedObject and unho...

I am trying to make an attached behavior to reorder rows bby doing Drag & Drop I found some solution (On Stackoverflow and by googling) and using them i am trying to make the behavior... I too...

I have been trying to implement a behavior on a wpf window therefore I have added reference to System.Winodws.Interactivity in my current solution and then wrote the desired behavior. but in order ...

Is it possible to attach behavior to all TextBoxes in Silverlight application? I need to add simple functionality to all text boxes. (select all text on focus event) void Target_GotFocus(object ...

I am currently migrating a number of attached behaviours I have created to Blend Behaviours so that they support drag and drop within Expression Blend. I have noticed that authors of Blend behaviou...

I have created an attached behavior that is used to execute a Delegate of type Func<bool> when the behavior is invoked. Below is the dependancy property definition. public static readonly De...

My goal is to create a reusable Attached Behavior for a FlowDocumentScrollViewer, so that the viewer automaticly scrolls to the end whenever the FlowDocument has been updated (appended). Problems...

I am still grokking attached behaviors in general, and am at a loss to see how to write a unit test for one. I pasted some code below from Sacha Barber's Cinch framework that allows a window to be...

I've implemented the attached command behavior pattern found here and it works well to allow e.g. a Border to have a left- or right-click event that fires in the ViewModel: XAML: <Border Backg...