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Questions tagged [uielementcollection]

Represents an ordered collection of UIElement objects.

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How to select a child from an UIElementCollection where a property = some value?

I have a UniformGrid with a number of Button's as Children. Each Button has a Tag with an ID, e.g. (dumbed down code): MyUniformGrid.Children.Add(new Button { Margin = new Thickness(5), Tag = Query.GetUInt32("id"), Width =…
Danny Beckett
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Given UIElementCollection, find all elements that have StyleA, and change them to StyleB in WPF

I've got a MyGrid.Children UIElementCollection, I would like to find all the Rectangles in it that have there styles set to StyleA, and set them to StyleB. I'd like to use LINQ if possible, so I can avoid a nasty nested loop. Something like this…
Kage
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XamlWriter.Save() is not serializing DependencyProperties

Consider the following XAML from my UserControl: And the associated event handler: private void TextBlock_OnLoaded(object sender, RoutedEventArgs e) { var xaml =…
bugged87
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Update of @ElementCollection using JpaRepository

In a spring-boot webapp, i look for the update of only the @ElementCollection of an entity using JpaRepository given the member entity public class Member implements Serializable { private static final long serialVersionUID = 1L; ... …
alveomaster
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Rapidly removing (and adding) many items to a Canvas in WPF

At a certain point in my WPF application, the UI thread will lock up for ~0 till ~500 ms (depending on the amount) once I remove and/or add items to a Canvas. Several performance tests pointed to Canvas.Children.Remove for the main cause, and .Add…
Tgys
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ElementCollection: failed to lazily initialize a collection, no session or

I have a field with a set of String to save and edit the value of selectManyCheckbox. I use the annotation @ElementCollection as described in http://docs.oracle.com/javaee/6/tutorial/doc/bnbqa.html I can save at the first time but by saving at the…
tcnguyen
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How delete data from CollectionTable | Hibernate (Jpa)

i have "A" entity with List MyList: @Entity(name = "A_table") @Inheritance(strategy=InheritanceType.JOINED) public class A implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy =…
user3515151
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Silveright UIElementCollection change notifications?

I am deriving a class from the Silverlight Panel class so that I can perform some custom positioning of the child elements of the panel. How do you find out when the collection of child items has been changed? The Panel.Children collection does not…
Phil Wright
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How to change origin of elements based on another elements in ios

Sorry guys one simple doubt but i could not find any answer. My problem is i want to change the origin of element based on another elements. To be more correct for example if i have three labels, i set each labels in same x axis but different y axis…
IamDev
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Silverlight databinding to locate UIElements

Is it possible to locate UIElement(s) on the visual tree in silverlight by inspecting the databinding somehow for a business object being bound. What I want to do is locate elements using a lambda expression (or any other means) from the element…
almog.ori
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What is an example of violating class affinity?

The page on UICollectionClass (from the Microsoft WPF libraries) has the following note: A UIElementCollection has affinity to its own context (class). You must access the collection from the context of the owning Panel. What is an example of an…
Sabuncu
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DrawerLayout in Windows Phone 8.1

I added a DrawerLayout Nuget package to my Windows Phone 8.1 WINRT App. https://www.nuget.org/packages/DrawerLayout/ Tutorial: https://code.msdn.microsoft.com/windowsapps/WindowsPhone-81-Now-its-b63049f9 So after the reference is added, I wrote…
Atif Shabeer
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How can I have an access to a TextBox in a UiElementCollection?

My question seems to be simple and I hope it is. I have a dynamic collection of TextBox in a UiElementCollection. The TextBox are children of a StackPanel. My goal is simple : Create a new TextBox with the Text of for example…
C0ZEN
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children of object

I have a function that is supposed to return a UIElementCollection. The function takes in a UIElement that has the children property (i.e. stackpanel, grid, etc.) but does not know which UIElement it is, so I store it into a general object. public…
David
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Is there any alternative to UIElementCollection.Move(oldIndex, newIndex) in WPF

I need to re order the children of the panel, I could find Move(oldindex, newindex) in UWP, but not in WPF. Is there any other alternative way to achieve this? I know it can be done by removing and inserting. But in my case, I have the possibility…
yogapriya shanmugam
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