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    public event PropertyChangedEventHandler PropertyChanged;

PropertyChanged

    public void  NotifyPropertyChanged(string a)   
    {
        if(this.PropertyChanged != null)  
        {
            this.PropertyChanged(this,new PropertyChangedEventArgs(a)); 
        }
    }

i dont quite understand what is going on in this line

this.PropertyChanged(this,new PropertyChangedEventArgs(a));

i did understand all the above but i cant understand how this line work and i ask if i need this for wpf application im using a list of object im following this tutorial

https://wpf-tutorial.com/data-binding/responding-to-changes/

but maybe i can use other way

gino pasticcio
  • 3
  • 2
  • See also [Data binding overview](https://learn.microsoft.com/en-us/dotnet/desktop/wpf/data/?view=netdesktop-6.0) – Clemens Jun 30 '22 at 08:00
  • In order to update the UI when elements are added to or removed from a collection, use ObservableCollection instead of List. – Clemens Jun 30 '22 at 08:01

0 Answers0