System.Windows.Forms 1.0.5000.0 2.0.0.0 System.EventArgs The class provides the zero-based index within the class of the column that is clicked in the control. You can use this information in an event handler for the event to determine which column is being clicked to perform tasks on the data within the column. Provides data for the event. Constructor To be added. Initializes a new instance of the class. The zero-based index of the column that is clicked. 1.0.5000.0 2.0.0.0 Property System.Int32 To be added. You can use the information provided by this property in an event handler for the event to determine which column is being clicked to perform tasks on the data within the column. Gets the zero-based index of the column that is clicked. 1.0.5000.0 2.0.0.0