You can have a collection of collections if you need some kind of grouping, if that makes sense.
For example a list of categories, and then each category a list of options.
In that scenario you can even define expanders for each category to group each list of options.

Although it is possible just to create UI elements in code: StackPanel stackV = new StackPanel(); TextBlock tb = new TextBlock("Header") { Foreground = Brushes.White, FontWeight = FontWeight.Bold }; stack.Children.Add(tb); { StackPanel stackH = new StackPanel { Orientation = Orientation.Ho...

Hi, You should get the value from the getter and apply it to the associated object: void ApplySetter(BaseSetter* setter) { DependencyObject* dob = GetAssociatedObject(); if (dob == nullptr) return; Setter* setter_ = (Setter*)setter; const DependencyProperty* dp= setter_->GetProperty(); BaseComponent...

Thanks for both tickets.

Hi, unfortunately this feature is still not implemented in 3.2.3 version.

Our View exposes a way to create timers though, so you can always create like this: Could that work for you?

Could you please open a ticket in our bugtracker about this?

Thanks for the ticket!

Thanks for the report!

Regarding the issue with ProvideValue not being called when templates are applied I understand now what is happening. This is a limitation of our current implementation of templates. Could you please report this as a separate issue?

I tried the following xaml in our Xamltoy and works as expected: <Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid.Resources> <Style TargetType="{x:Type TabItem}"> <Setter Property="...

I guess you are using Blend 2022 right? Microsoft is breaking many things in its designer regarding WPF support. It is complaining about incorrect issues, you can even hit F5 to run the project without problems :( I was testing on Blend 2019 because it has better support for WPF projects and the des...