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Questions tagged [ui-virtualization]

UI virtualization is a technique for improving the performance of user interfaces which means the visual item generation is deferred until the item is visible.

UI virtualization helps to improve application performance when displaying large datasets.

UI virtualization should not be confused with .

References:

UI virtualization in WPF

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How to get element references of Virtualize component's children?

I use Virtualize component like this: How do I get references to current components? I need to explicitly call refresh on them.
Liero
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How to React Virtualized MultiGrid with Expandable Cells (Using CellMeasurerCache & Perfomance)

I'm trying to build a MultiGrid with react-virtualized with expandable cells, fixed left column and header. I need a solution which can handle row lengths (column count) of ~1000. Issue 1: My current implementation seems to be struggling when having…
Adam Robinson
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ItemsControl Not Virtualizing

I cannot get this ItemsControl to virtualize properly. Debugging shows that the collection is initialized quickly, but all the items are being added to the control instead of a subset (I simply put a TracePoint in the TextBox_Initializeevent in…
Wonko the Sane
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VirtualizingStackPanel not working for ComboBox

I am absolutely new to WPF. I can't figure out why isn't the VirtualizingStackPanel working for the following. I already have experimented with the ScrollViewer but it doesnt' work for me. I have tried placing VirtualizingStackPanel every where but…
WPFAbsoluteNewBie
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C# wpf searching text and find next functionality in virtualizing stackpanel with scrollview

I have some small app which reads a very large file. In order to display this file (can have about milion rows) im using virtualizedStackpanel and scrollview to virtualize UI. In this file i implemented something like searching, which highlights…
Luboš Suk
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Disabling UI virtualization on Xamarin Forms with UWP windows mobile 10

I am working on an issue with UWP application with Xamarin.Forms. I have noticed that list view items by default are getting recycled and reused in UWP. For an instance when I update the first item in a list view (either the new values or even the…
ssmsexe
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virtualization for custom treeview

I made a custom TreeView with multiple columns. Everything worked well until thee are lots of items in the tree. I tried to enable Virtualization by doing VirtualizingPanel.IsVirtualizing="True" (Will be VirtualizingStackPanel.IsVirtualizing if you…
Steve
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Lifecycle for ListViewItems

By default a WPF ListView (with a GridView) is virtualized. So I bind my ItemSource property to an observable collection in a ViewModel as I am using a MVVM pattern (with Caliburn.Micro but I guess that does not matter). How can I have a method…
ZoolWay
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Aurelia UI Virtualization - Rebinding

I'm playing around with the cool Aurelia UI-Virtualization plugin (https://github.com/aurelia/ui-virtualization) to provide a user with a list of search results. If they do a new search, I want to replace the current results with the new ones. I…
FunkMonkey33
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EnableColumnVirtualization=true changes selectedItem

According to the msdn suggestion I set But I recognized that if i set EnableColumnVirtualization as true, When I…
Emil
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WPF Inner Collection virtualization not working

I have implemented below mentioned code in WPF in that I have implemented virtualization of lazy loading but it's not work when my inner collection have a 1000 of record then it will take much time to load on screen.
Dhaval Patel
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ListView items from an ObservableCollection that need to prepare themselves for realization

I have a ListView which is supposed to display a rather large number of items comprised of a "Name", a "Thumbnail" and a "AnimationPosition" property. A background task in each item's type is in charge of switching the thumbnails in order to animate…
Omid Ariyan
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WPF: ListBoxItem with scroll bar

is it possible to have ListBox(which contains ScrollViewer by default) and ListBoxItem with ScrollViewer? I want to achieve next view: And this ListBox should also support virtualization. (I know how enable it, I just wondering will it work if I…
Anna Osiatnik
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Items being reordered in LongListSelector

In my WP8 app, I'm using LongListSelector to display data items. Grouping works, jump list works. I have the usual master/detail scenario here - click on item in the list, new page shows up with more information. The problem is with navigating back…
mnn
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Simulating an apk file using java swing for using it in my desktop

I have a list of apk files which i must have the facility to use it inside a java swing application. Like when i press a tab, it must simlaute the apk file1, another tab for 2. like wise. In a better way, I need to virtualize the apk in java swing…
Praveen
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