inotifypropertychanged Questions
6
Solved
I have a Person class:
public class Person : INotifyPropertyChanged
{
private string _name;
public string Name{
get { return _name; }
set {
if ( _name != value ) {
_name = value;
OnProperty...
Refinery asked 8/8, 2012 at 17:37
4
What is the purpose of INotifyPropertyChanged. I know this event is fired whenever a property is changed but how can the View/UI knows that this event is fired:
Here is my Customer class that imp...
Fanlight asked 24/6, 2009 at 16:37
4
Solved
The answer to this question has been edited to say that in C# 6.0, INotifyPropertyChanged can be implemented with the following OnPropertyChanged procedure:
protected void OnPropertyChanged([Calle...
Oneman asked 23/2, 2016 at 15:56
12
I have the following (abbreviated) xaml:
<TextBlock Text="{Binding Path=statusMsg, UpdateSourceTrigger=PropertyChanged}"/>
I have a singleton class:
public class StatusMessage : INotifyPr...
Hypocrite asked 3/10, 2009 at 2:35
4
Solved
I'm tying myself in knots over a simple problem. I have a class that implements INotifyPropertyChanged. Some of the instance properties' getters use static properties and thus their values may chan...
Tarnetgaronne asked 30/1, 2013 at 21:31
7
Solved
I'm trying to use following implementation of the ObservableDictionary: ObservableDictionary (C#).
When I'm using following code while binding the dictionary to a DataGrid:
ObserveableDictionary&...
Deuno asked 16/5, 2012 at 10:20
3
Does anyone know if the INotifyPropertyChanged interface can be implemented on an object in Powershell natively, without building a C# class and using Add-Type to generate a new .NET assembly?
I'v...
Stinko asked 16/2, 2014 at 17:3
5
Solved
Suppose I have simple class Order, that have a TotalPrice calculated property, which can be bound to WPF UI
public class Order : INotifyPropertyChanged
{
public decimal ItemPrice
{
get { retu...
Coulee asked 10/2, 2010 at 10:3
7
Solved
I'm looking for a clean and elegant solution to handle the INotifyPropertyChanged event of nested (child) objects. Example code:
public class Person : INotifyPropertyChanged {
private string _f...
Satinwood asked 10/11, 2010 at 9:56
21
Solved
Does anyone know why this code doesn't work:
public class CollectionViewModel : ViewModelBase {
public ObservableCollection<EntityViewModel> ContentList
{
get { return _contentList; }
s...
Bodi asked 15/9, 2009 at 14:17
2
Solved
What is the difference between the System.ComponentModel.BindingList methods Add(object) and AddNew()? The MSDN documentation says this:
Add: Adds an object to the end of the Collection<T>....
Turnstone asked 17/4, 2012 at 19:45
5
Solved
I have a Winform application which uses colour to highlight certain things. I would like to allow the users to change 'their' colours. As an exercise, I thought I would create an instance of a clas...
Laugh asked 10/4, 2012 at 15:56
3
Solved
Hi i am having some troube with DataTables. So What i need is to detect whenever i change any cell in the DataGrid of the DataTable that is binded.
How to do it? With INotifyPropertyChanged or wit...
Khorma asked 27/4, 2011 at 3:14
8
Solved
I found on this link
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
some techniques to notify a Observablecollection that an item has changed. the T...
Demagoguery asked 13/12, 2011 at 14:6
1
Solved
As stated here, the PropertyChangedEventManager class
Provides a WeakEventManager implementation so that you can use the "weak event listener" pattern to attach listeners for the PropertyChange...
Motherless asked 30/8, 2018 at 8:32
6
Solved
In classes that implement INotifyPropertyChanged I often see this pattern :
public string FirstName
{
get { return _customer.FirstName; }
set
{
if (value == _customer.FirstName)
return;
_...
Fedora asked 12/4, 2010 at 16:40
2
Solved
So I've setup the event to a class
void item_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
}
And it's fired when a class's property gets changed, however I want to make the sam...
Inquiline asked 8/11, 2012 at 17:42
3
i've a problem updating my datagrid when clicking the button by using NotifyPropertyChanged.
It works if i set the DataGrid.ItemsSource in code behind, but it doesn't if i set it in xaml.
here's so...
Limpopo asked 8/9, 2012 at 8:24
3
Solved
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.
...
Volution asked 14/10, 2010 at 9:15
3
Solved
I would like to create a dynamic proxy for binding WinForms controls to objects changed by a different (non-GUI) thread. Such a proxy would intercept the PropertyChanged event and dispatch it using...
Erbe asked 25/1, 2010 at 20:5
6
I understand the IObservable<T> & IObserver<T> are implementations of the observer pattern and can be used in similar circumstances to .Net events.
I was wondering if there is any ...
Indemnification asked 29/1, 2010 at 15:10
2
Solved
How would one implement INotifyPropertyChanged for use in an F# type?
Thanks!
Cheder asked 8/11, 2009 at 22:30
5
Solved
I was reading about the new nameof keyword in C# 6.
I want to know how can I implement INotifyPropertyChanged using this keyword, what are the prerequisites (of course other than C# 6) and how it ...
Padua asked 12/12, 2014 at 11:14
3
When you implement the INotifyPropertyChanged interface, you're responsible for calling the PropertyChanged event each and everytime a property is updated in the class.
This typically leads ...
Lockman asked 28/1, 2009 at 17:39
2
Solved
I've a class like this:
public class PersonViewModel : ViewModelBase //Here is the INotifyPropertyChanged Stuff
{
public PersonViewModel(Person person)
{
PersonEntity = person;
}
public Pers...
Perishable asked 7/12, 2009 at 13:21
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