ObservableCollection<T>.OnCollectionChanged Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Raises the CollectionChanged event with the provided arguments.
protected:
virtual void OnCollectionChanged(System::Collections::Specialized::NotifyCollectionChangedEventArgs ^ e);
protected virtual void OnCollectionChanged (System.Collections.Specialized.NotifyCollectionChangedEventArgs e);
abstract member OnCollectionChanged : System.Collections.Specialized.NotifyCollectionChangedEventArgs -> unit
override this.OnCollectionChanged : System.Collections.Specialized.NotifyCollectionChangedEventArgs -> unit
Protected Overridable Sub OnCollectionChanged (e As NotifyCollectionChangedEventArgs)
Parameters
Arguments of the event being raised.
Examples
When overriding this method, either call the base implementation or use the BlockReentrancy method to handle reentrant collection changes, as in the following example:
using (BlockReentrancy())
{
// OnCollectionChanged call
}
Using BlockReentrancy()
' OnCollectionChanged call
End Using
Remarks
Properties and methods that modify this collection raise the CollectionChanged event through this virtual
method.
Applies to
Feedback
https://aka.ms/ContentUserFeedback.
Binnenkort: Gedurende 2024 worden GitHub Issues uitgefaseerd als het feedbackmechanisme voor inhoud. Dit wordt vervangen door een nieuw feedbacksysteem. Ga voor meer informatie naar:Feedback verzenden en bekijken voor