ui::ExpandCollapseProvider¶

Header: winui/ui/Automation.hpp.

The ExpandCollapse pattern: a collapsed or expanded state (an Expander, a ComboBox, a DropdownButton). Implement every member.

expanded_state¶

virtual bool expanded_state() const = 0

Whether it is expanded (open).

virtual bool set_expanded_state(bool expanded) = 0

Expand (true) or collapse (false); true when it acted (false when disabled).

~ExpandCollapseProvider() = default