'Declaration
<C1CategoryAttribute("Behavior")> <C1DescriptionAttribute("C1TaskDialog.ExpandedChanged", "Occurs when a user expands or collapses the task dialog.")> Public Event ExpandedChanged As EventHandler
[C1Category("Behavior")] [C1Description("C1TaskDialog.ExpandedChanged", "Occurs when a user expands or collapses the task dialog.")] public event EventHandler ExpandedChanged