This event occurs, if the state of a checkbox of any item has changed. This event allows you to react on changes of checkboxes in one central place.

AddPathToSelection 

TJamSelectionList.BeginUpdate 

TJamCheckableListItem.Checked 

TJamShellTreeNode.Checked 

TJamCheckableListItem.CheckState 

TJamShellTreeNode.CheckState 

Clear 

TJamSelectionList.EndUpdate 

TJamSelectionList.IsPathSelected 

RemovePathFromSelection

TJamBaseSelectionList Class