Forums | NoesisGUI

Posted: **10 Aug 2022, 03:58**

Hi, how can I add items to a ItemControl or any control derived from it in C++? I followed this C# WFP documentation: https://docs.microsoft.com/en-us/dotnet ... esktop-6.0

 Ptr<ItemsControl> pItemsControl = *new ItemsControl();
 Ptr<Binding> pBinding = *new Binding();
 Ptr<BaseComponent> pBoxed = Boxing::Box("FirstItem");
 pBinding->SetSource(pBoxed);
 pItemsControl->SetBinding(pItemsControl->ItemsSourceProperty, pBinding);

and also tried to only use the SetItemsSource() function

 Ptr<ItemsControl> pItemsControl = *new ItemsControl();
 Ptr<Binding> pBinding = *new Binding();
 Ptr<BaseComponent> pBoxed = Boxing::Box("FirstItem");
 pItemsControl->SetItemsSource(pBoxed);

But none of them worked...

Posted: **10 Aug 2022, 18:59**

An ItemsControl can be populated with items in 2 ways:

By adding items to its Items collection

itemsControl->GetItems()->Add(Boxing::Box("First"));
itemsControl->GetItems()->Add(Boxing::Box("Second"));
itemsControl->GetItems()->Add(Boxing::Box("Third"));

By setting a collection as its ItemsSource

Ptr<ObservableCollection<BaseComponent>> items = MakePtr<ObservableCollection<BaseComponent>>();
items->Add(Boxing::Box("First"));
items->Add(Boxing::Box("Second"));
items->Add(Boxing::Box("Third"));
itemsControl->SetItemsSource(items);

Hope this helps.

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