# IsTreeItemExposed

int IsTreeItemExposed (int panelHandle, int controlID, int itemIndex, int *isExposed);

## Purpose

Returns a Boolean value indicating whether the specified item is exposed. An exposed item is one whose ancestors are all expanded. Items that do not have a parent are always exposed.

## Parameters

Input
Name | Type | Description
panelHandle | integer | Specifier for a particular panel that is currently in memory. You obtain this handle from LoadPanel, NewPanel, or DuplicatePanel.
controlID | integer | The defined constant, located in the .uir header file, that you assigned to the control in the User Interface Editor, or the ID returned by NewCtrl or DuplicateCtrl.
itemIndex | integer | Zero-based index of the tree item.
Output
Name | Type | Description
isExposed | integer | A Boolean value indicating whether all of the ancestors of the specified tree item are expanded. 0 = not exposed (at least one ancestor is collapsed) 1 = exposed (all ancestors are expanded)

## Return Value

Name | Type | Description
status | integer | Return value indicating whether the function was successful. A negative number indicates that an error occurred.
Code | Error Message String
xx | Success