Parameters
- group
- A CollectionViewGroup representing the master group whose state is to be toggled. A collapsed group will be expanded and an expanded group will be collapsed.
Exception | Description |
---|---|
System.InvalidOperationException | The specified CollectionViewGroup is not a master group. |
The state of child groups will not be affected if their parent's state is toggled.
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