virtualizingstackpanel

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VirtualizingStackPanel doesn't clear the text of TextBoxes in the ItemTemplate

I have ItemsControl with VirtualizingStackPanel as items panel like this: <ItemsControl Style=\"{StaticResource ItemsControl}\" Name=\"itemsControl\"[详细]

2023-04-10 07:21 分类：问答
Virtualizing Stack Panel Returning Null Selected Item

I was using a stack panel to display listbox items, but when I decided to change it to a virtualizing one the selected item was null sometimes.Here is part of the DataTemplate I was using to invoke th[详细]

2023-04-07 08:49 分类：问答
VirtualizingStackPanel + MVVM + multiple selection

I have implemented a selection pattern similar to the one described in this post using a ViewModel to store the IsSelected value, and by binding the ListViewItem.IsSelected to the ViewModel IsSelected[详细]

2023-04-04 21:09 分类：问答
VirtualizingStackPanel on a Treeview ist not Virtualizing

I\'ve got a problem here, I want to show some items in a TreeView, about 100.000 Elements. If i use the default WPF TreeView everything seems to work, but if i use a custom-TreeView (which is at the m[详细]

2023-03-02 03:46 分类：问答
"BindingExpression path error" using ItemsControl and VirtualizingStackPanel

I\'m using Silverlight on Windows Phone 7. Is it normal to get loads of \"BindingExpression path error\" debug messages when using a VirtualizingStackPanel?I think it is happening because the visual[详细]

2023-02-10 02:28 分类：问答
How does VirtualizingStackPanel decide when to unload (dispose?) of virtualized controls?

I\'m working with an ItemsControl using a VirtualizingStackPanel in its ControlTemplate.I\'ve got the virtualization working, to some extent.I\'ve put debugging st开发者_Python百科atements in the Load[详细]

2023-02-06 11:59 分类：问答
adding a header to a listbox's scrollviewer and keeping the virtualizingStackPanel (wp7)

I want to add a header to my ListBoxes and I do this by using a template. The problem is that if I extend the ListBox\'s template it seems that the listbox\'s virtualizingstackpan开发者_开发百科el doe[详细]

2023-02-05 23:54 分类：问答
WPF Validation inside UI Virtualized ListBox

I need to do some kind of data validation in a WPF application I am developing As far as I know, when you add ValidatesOnDataErrors=True to the Binding, everytime the Binding is resolved (it can be e[详细]

2023-01-31 06:29 分类：问答
what is the actual difference between Recycling/Standard of VirtualizationMode property in VirtualizingStackPanel?

What is actually happening in VirtualizingStackPan开发者_如何学运维el.VirtualizationMode = Recycling/Standard.?When VirtualizationMode is set to Recycling, the VirtualizingStackPanel will reuse item c[详细]

2023-01-28 11:18 分类：问答
VirtualizingStackPanel stops working when overriding the default control template for ScrollViewer

I have a listbox with a lot of items w开发者_如何学运维hich are expensive to render. However the VirtualizingStackPanel takes care of that by only rendering the visible items. I want to override the c[详细]

2023-01-26 07:48 分类：问答