3 references to s_groupCollapsedStateChangedEvent
System.Windows.Forms (3)
System\Windows\Forms\Controls\ListView\ListView.cs (3)
2118add => Events.AddHandler(s_groupCollapsedStateChangedEvent, value); 2119remove => Events.RemoveHandler(s_groupCollapsedStateChangedEvent, value); 4439((EventHandler<ListViewGroupEventArgs>?)Events[s_groupCollapsedStateChangedEvent])?.Invoke(this, e);