This System.EventArgs class is sent as the data with the ColumnClick event from the ListView control, when one of the header items is clicked. It contains the Column index of the clicked header in the ListView object's Columns collection. public class ColumnClickEventArgs : EventArgs { // Public Constructors public ColumnClickEventArgs (int column ); // Public Instance Properties public int Column {get; } } HierarchySystem.Object System.EventArgs ColumnClickEventArgs Passed ToColumnClickEventHandler.{BeginInvoke() , Invoke()} , ListView.OnColumnClick() |