Wpf contentcontrol binding not updating intimidating accronyms

The grouping functionality within the decides how to render those groups.Suppose we want to group our data by the type of place in question: all countries in one group, and all cities in another.Although, well known, I don't think this behavior is officially documented anywhere in MSDN.If such documentation exists and someone can send me a link, I will be greatful. Numerous methods were proposed to circumvent it (example 1, example 2, example 3, example 4) , most revolving around creating a unique Persistent tab control creates tab content in a lazy initialization manner.But why is there nothing to visually demarcate each group?That’s because we haven’t supplied a property enables us to choose the layout panel that hosts the groups (we’ll be covering layout customization in a later section).

We’re not going to be discussing sorting and filtering in this article because they’re entirely data concerns, but let’s take a look at how we can group our data.

There may be slight differences in feature sets or usage here and there, but for the most part your knowledge will be transferrable.

In the first part of this article we covered the fundamentals of the .

Sure, we could add such a property, but we’re going to instead demonstrate the flexibility of the grouping infrastructure by sub-classing the abstract We have only the one method to implement, and it simply returns either “Cities” or “Countries” depending on the type of the item it’s given.

In other words, it dictates the group to which the item belongs.

Download Demo: Persistent Tab (41K) Download attached behavior only: Tab (12K) WPF Tab Control is known to "virtualize" its tabs when they are created via data binding.

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