CODEWITHSUNDEEP
c#wpfperformanceuser-interfacevirtualization
Koscik
Koscik

Reputation: 189

VirtualizingWrapPanel with groupping

I need to present many elements in ListBox with WrapPanel as an ItemsPanel with usage of groupping items and virtualization.

Everything must look like Windows 8 main page(with tiles), so:

  1. Groups are placed horizontally one next to another
  2. Items in groups are in WrapPanel which needs to be virtualized beceause of large items count (around 10.000 items)
  3. items are wrapped vertically (take all existing vertical place and than go right, Orientation = Orientation.Horizontal) so no VerticalScrollBar is shown, just 1 HorizontalScrollBar for entire ListBox

Built in WrapPanel doesn't come with virtualization.

I've already tried many "VirtualizingWrapPanels" which are available for free and none of it works good with grouping. In fact, none of them is working good even without groupping but let's skip it.

Do You know any walkaround for getting those features?

Upvotes: 0

Views: 404

Answers (1)

Sheridan
Sheridan

Reputation: 69959

I have something better than a workaround for your problem. I can provide you with clear explanations and instructions of how to implement your own VirtualizingPanel. However, I should warn you that, whilst possible, it is no easy feat and will take some time. I have scucessfully implemented my own VirtualizingAnimatedPanel using this same information source, so it certainly can be done.

Of course, this topic is far too large to cover here, so for full details about virtualization and how to implement it, please read chapter 8 of the very useful WPF Control Development Unleashed book. Luckily for you, I found an online copy of this book, so you can read it now:

WPF Control Development Unleashed

Upvotes: 1

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