Gets a value that indicates whether the ribbon group is collapsed.
Assembly: System.Windows.Controls.Ribbon (in System.Windows.Controls.Ribbon.dll)
In the collapsed state, a ribbon group looks and behaves like a menu button.
The following illustration shows a ribbon with the Clipboard, Paragraph, and Insert groups in their collapsed state. When a group is collapsed into a menu button, its largest size variation is shown when the drop-down is opened.
Available since 4.5