WPF: Groupstyle not working correctly because of Style and/or modified ListBox

时间秒杀一切 提交于 2019-12-06 03:43:02

In the ListBox template, replace:

<StackPanel Margin="2" IsItemsHost="True" />

with

<ItemsPresenter Margin="2" />

The ItemsPresenter class has extra logic for groups, that you lose if you're directly using a panel to display the items.

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