inotifypropertychanged

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How to pass the selectedItem of a listbox to the View Model

This is a running question that I have updated to hopefully be a little more clear. In short what I am trying to accomplish is pass a property from a listbox selected item to the viewmodel so that thi[详细]

2023-03-11 06:10 分类：问答
Silverlight MVVM, stop SelectionChanged triggering in response to ItemsSource reset

I have two ComboBoxes, A & B, each bound to an Observable Collection. Each has a SelectionChanged trigger is attached which is intended to catch when the user changes a selection. The trigger pass[详细]

2023-03-11 04:28 分类：问答
WCF Ria Services entities and INotifyPropertyChanged

I am having an issue where the PropertyChanged event from the generated Ria Services entities is not raised for all the properties.[详细]

2023-03-08 19:38 分类：问答
Does unnecessary NotifyPropertyChanged calls cause performance issues?

In my new WPF Application, I am reusing a Model cl开发者_开发问答ass. In that model class, all the properties, in their setters, fire NotifyPropertyChanged. In my application, I do not really have a u[详细]

2023-03-06 07:49 分类：问答
Silverlight RIA: How do I implement change notification on my shared code

I have extended my domain service using a \"shared\" code file to add an additio开发者_StackOverflow社区nal property to my \"Booking\" class that calculates mileage from StartMileage and FinishMileage[详细]

2023-03-05 22:25 分类：问答
What should MVVM Model be like?

Hello i have 3 questions about MVVM Model. Isn\'t there any way to bypass that redundant PropertyChanged(\"PropName\");[详细]

2023-03-05 20:56 分类：问答
How to discern whether Model has been changed by user or code

My Model implements INotifyPropertyChanged, and I have a WPF window bound to it (two way bindings). I need to know when the model is being changed through the bound UI, so I could call an Update meth[详细]

2023-03-05 08:51 分类：问答
INotifyPropertyChanged in Designer-Generated WinForm for Detecting Modified Controls

I\'m trying to implement a way of detecting when a form has been modified by the user, and I\'m trying to use the INotifyPropertyChanged (INPC) interface to do it. But, I\'m using the Visual C# Expres[详细]

2023-03-05 07:16 分类：问答
Why INotifyPropertyChanged's event PropertyChangedEventHandler is always null?

This is my sample code, why PropertyChangedEventHandler property is null? the list is bounded to Listbox which should subscribe to the event. Shouldn\'t开发者_Python百科 it?[详细]

2023-03-02 15:28 分类：问答
WPF MVVM Combobox based on Entity Framework values does not raise property changed notification

I already have succesfully used MVVM principles in former projects, but i\'m stuck with something ... very basic![详细]

2023-03-01 15:22 分类：问答