Objective Toolkit : Chapter 14 Tree Control & Tree View : Tree Item States
Tree Item States
The tree node states are represented by the state member of TV_ITEM. By retrieving the TV_ITEM structure for any given item, you can test the state of that item. The following figures show an example tree control and an example tree view.
Figure 110 – Example Objective Toolkit Tree Control and Tree Item States
 
Figure 111 – Example Objective Toolkit Tree View and Tree Item States