4/2/2024 0 Comments Wpf treeview example c![]() What if I want to bind items of various types to the tree? Otherwise, Intellisense in Visual Studio might not work properly. Hint: Make sure your tree control class is public. get the parent category, or null if it's a root category public override ShopCategory GetParentItem(ShopCategory item) returns subcategories that should be available through the tree public override ICollection GetChildItems(ShopCategory parent) the sample uses the category's name as the identifier public override string GetItemKey(ShopCategory item) a tree control that handles ShopCategory objects public class CategoryTree : TreeViewBase As you can see, CategoryTree manages with 3 lines of code: Below is the implementation of the sample project's CategoryTree control, which operates upon ShopCategory objects. There are quite a few virtual methods you can override in order to control the tree's behavior, but these three abstract methods may well be everything you'll ever need.
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