inotifycollectionchanged

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using Reactive Extensions to monitor IEnumerable

I\'m connecting to an object that asyncronously loads开发者_如何学JAVA a collection of objects into an IEnumerable.At the time I connect, the IEnumerable may have items already in it\'s collection, an[详细]

2023-04-01 03:53 分类：问答
INotifyPropertyChanged or INotifyCollectionChanged with DataTable?

Hi i am having some troube with DataTables. So What i need is to detect whenever开发者_运维技巧 i change any cell in the DataGrid of the DataTable that is binded.[详细]

2023-03-01 10:25 分类：问答
EntityFramework EntityCollection Observing CollectionChanged

I\'m using EntityFramework database first in an application. I would like somehow to be notified of changes to an EntityCollection in my ViewModel. It doesn\'t directly support INotifyCollectionChange[详细]

2023-02-21 18:54 分类：问答
How to get property name from the sender object of an INotifyPropertyChanged PropertyChanged event

I have a base DependencyObject class where I have a method that takes an object, gets the properties, and for each property that is a type that implements INotifyPropertyChanged, I add a new PropertyC[详细]

2023-01-22 22:36 分类：问答
How to create a custom observable collection using ConcurrentDictionary, INotifyCollectionChanged, INotifyPropertyChanged

I am trying to create an ObservableConcurrentDictionary. This object will be used in a multithreaded application, and it\'s data is used to populate a control via the controls ItemsSource property.[详细]

2023-01-19 19:29 分类：问答
NotifyCollectionChangedAction: object instance on removal?

I am currently implementing the INotifyCollectionChanged interface for a collection with generally quite critical and short-lived items. All of those items implement IDispose, which can be called imme[详细]

2023-01-16 21:05 分类：问答
WPF how to detach event hooks in UserControls

I have a WPF UserControl that contains a ComboBox. I need to attach an event listener to the ComboBox.Items collection.[详细]

2023-01-13 15:09 分类：问答
canceling remove action - NotifyCollectionChangedAction

I am using the following code in my viewmodel to delete items out of a collection: UnitMeasureCollection.CollectionChanged += new NotifyCollectionChangedEventHandler(ListOfUnitMeasureCollectionChang[详细]

2023-01-10 09:10 分类：问答
Custom ObservableCollection

I have a question about a class I created that is similar to the ObserverableCollection. My class basically has the same same functionality as it, but I add some automatic sorting features to it when[详细]

2023-01-02 02:03 分类：问答
Why is there no ObservableKeyedCollection<TKey, TValue> in the .NET Framework?

The .NET Framework contains since version 3.0 the ObservableCollection<T>, but why isn´t there开发者_如何学编程 a ObservableKeyedCollection<TKey, TValue>.[详细]

2022-12-21 15:25 分类：问答