This event is fired, if the state of a checkbox was changed by the user.
This event occurs, if a user changes the state of a checkbox of an item in the TJamShellTree. The event passes the index of the node in the variable ItemIndex, which you can use to access the TJamShellTreeNode in a way like:
Additionally the absolute path is passed in the Path parameter, and the current state of the checkbox in the CheckState parameter.