Expander - Windows Community Toolkit | Microsoft Learn
WPF Tutorial | Expander
Outlook Style Expander With XAML Only – UX
Nested expander control in datagrid - Microsoft Q&A
wpf - Resizing Grid with Expander not working after GridSplitter moved - Stack Overflow
Expand and Collapse Nodes | WPF Controls | DevExpress Documentation
wpf - I need the Expand / Collapse for RowDetailsTemplate - Stack Overflow
c# - WPF - DataGrid nested in Expander no scrolling datagrid content - Stack Overflow
WPF DataGrid Custommization using Style and Template - CodeProject
wpf - Scroll AND Stretch the content of an Expander - Stack Overflow
GitHub - DevExpress-Examples/wpf-grid-prevent-expand-collapse-operations-for-group-rows: Prevent users from collapsing and expanding specified group rows.
c# - WPF Datagrid Grouping using a parent object as the expander header - Stack Overflow
c# - WPF Evenly distribute content Expander.Header in the column DataGrid - Stack Overflow
c# - How to get parent nodes in data grid group expander header - Stack Overflow
Das Expander-Steuerelement - The complete WPF tutorial
WPF Expander – Arcane Code
Wpf: how to equally distribute the available height among 2 expander controls in grid without any gray area - Microsoft Q&A
Grouping in Datagrid in WPF
Das Expander-Steuerelement - The complete WPF tutorial
c# - WPF How to build docked resizable expanders and grid using XAML only? - Stack Overflow