Parameters
- group
- A CollectionViewGroup representing the group whose state is to be toggled. A collapsed group will be expanded and an expanded group will be collapsed.
Return Value
true if the group was found; false, otherwise.
Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2