Checks an item (if the item supports it).
Collapses an item to hide its children.
Returns 1 if an item exists, otherwise 0.
Expands an item to show its children.
Returns the number of children for a selected item.
Returns the item reference of the current selection using the text reference of the item (or index reference if UseIndex is set to 1).
Returns the text of an item.
Returns the state of an item.
| Value | Description |
|---|---|
| 1 | Checked |
| 0 | Unchecked |
| -1 | Not a checkbox |
Selects an item.
Unchecks an item (if the item supports it).
Enumeration of commands for interacting with a tree view control.