Incorrect calculation of the scrollbar size when scrolling past the last few rows.

When going way down a ListView based VirtualizingWrapPanel and reaching the last few rows, the scrollbar's size is miscalculated as the visibleSections passed to ComputeExtentAndViewport decreases ...

Id #11 | Release: None | Updated: Nov 30, 2015 at 10:13 PM by omidontop | Created: Nov 30, 2015 at 10:13 PM by omidontop

ScrollInfo not reset when Items changed

I'm using the Virtualizing WrapPanel in a ListBox. When the source collection of the ListBox changes, the ScrollInfo of the WrapPanel doesn't get reset. This is noticable when you fill the ListBox ...

Id #10 | Release: None | Updated: Jan 24, 2015 at 8:44 AM by rgodart | Created: Jan 24, 2015 at 8:44 AM by rgodart

Error when removing an item

I use you VirtualizingWrapPanel as ItemsPanel in a ListBox. I have an error when I remove on item from the ListBox ItemSource. The error occurs in CleanUpItems on line _generator.Remove(childGen...

Id #9 | Release: None | Updated: Aug 11, 2015 at 5:18 PM by dmackersie | Created: Oct 24, 2014 at 2:08 PM by malbaladejo

Issue when scrolling when using popup

Hi, I'm using a popup overlay on images in the listbox/wrappanel. This causes the following error when scrolling outside of the current view: (loading new items) An unhandled exception of typ...

Id #8 | Release: None | Updated: Sep 20, 2014 at 2:49 PM by NeoID | Created: Sep 20, 2014 at 2:49 PM by NeoID

Error using ItemsPanelTemplate

I have tried: <Style x:Key="ListWrapStyle" TargetType="ListBox"> <Setter Property="ItemsPanel"> <Setter.Value> <ItemsPanelTemplate> <local:V...

Id #7 | Release: None | Updated: Oct 20, 2014 at 8:37 AM by aderesh | Created: Apr 2, 2014 at 9:54 PM by daviddax

Cannot center the wrap panel

I don't seem to be able to center the contents of the wrap panel on the screen. I notice that the following appears in the output window: System.Windows.Data Error: 4 : Cannot find source for bin...

Id #6 | Release: None | Updated: Jul 24, 2012 at 3:03 PM by jstevenson72 | Created: Jul 24, 2012 at 11:40 AM by CurlyPaul

InvalidOperationException when using VWP as ItemsPanel in ListBox when reached the end of the list

Sorry for my english to solve this problem(10000 items on panel) i made this: private int GetNextSectionClosestIndex(int itemIndex) { var abstractItem = _abstractPanel[itemIndex]; ...

Id #5 | Release: None | Updated: Nov 17, 2010 at 4:06 AM by Dron247 | Created: Nov 17, 2010 at 3:58 AM by Dron247

Not Working With Grouping

Anyone was able to make it works with grouping ? I got an "Infinity" exceptions. Thanks for your feedback.

Id #3 | Release: None | Updated: Jul 26, 2015 at 10:46 AM by Function | Created: Aug 26, 2010 at 3:57 PM by myCollections

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