Questions about observablecollection
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Groups went missing in ListView after expanding and collapsing expander in WPF C# with IsVirtualizing set to True
I have ListView and there is Grouping going on in it for one of the field 'Name'. The ItemSource is bound to an ObservableCollection. Somehow when grouping is applied, the virtualization is turn off a...
Athena_92
Votes: 0
Answers: 0
ObservableCollection and ListView strange behavior under iOS
I bind an ObservableCollection called Messages to a ListView in Xamarin Forms.
I populate the collection as follows:
for (int i=0; i<5; i++) {
Messages.Insert(0,
new Message() ...
Alex Kay
Votes: 0
Answers: 2
c# ObservableCollection NotifyCollectionChangedEventArgs Members
Why the class NotifyCollectionChangedEventArgs in the ObservableCollection's event CollectionChanged have the properties:
IList NewItems
IList OldItems
As IList (notice the s at the end, also when I ...
Taher
Votes: 0
Answers: 0
Update items in a ObservableCollection when Collection is changed
Question: How can I update all items within an ObservableCollection when the CollectionChanged-Event is raised?
I search a lot but not find any suitable question with an answer for this. Maybe I searc...
Christian
Votes: 0
Answers: 1