Wpf label binding not updating Sexx chat without signup


02-Jan-2020 16:55

Now I’d recently refactored the code so this particular View Model wasn’t using the base class, so my first instinct was that I’d simply mistyped the property name magic string in the event – but that was all fine.

I threw in a few breakpoints and I could see my View Model was changing, I could see the On Property Changed method being hit, but there didn’t seem to be any listeners and as a result my UI was just ignoring the changes.

A very common problem, and one that’s usually a very simple fix once you’ve tracked it down.

Normally my View Models inherit from my View Model Base base class, which provides a Raise Property Changed method and, when in debug mode, uses reflection to check if the property name is valid.

Yet for all its power, it is a little complex and that is my reason for launching into this blog series.

Yesterday I was working on a small prototype, which I will be blogging about shortly, and ran across the common problem of my bindings not updating.

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So although I was firing an event that looked like INotify Property Changed.This article considers the INotify Property Changed interface, which lets classes send notifications when property values are modified.In the previous instalment in this tutorial we looked at the Data Context property of WPF controls.This property can is set to an object to use as the source for its data bindings and those of its children.

In the earlier article we used simple bindings to display string and integer values that were controlled directly by the controls in a window.

Property Changed, I was actually just firing my own event with the same name 🙂 So there you have it, I’m an idiot 🙂 The moral of the story is, when your bindings aren’t working check the obvious: Hello there!