# CheckListItem

int CheckListItem (int panelHandle, int controlID, int itemIndex, int checked);

## Purpose

Places a check by, or removes a check from, a specific list item.

This function applies only to list boxes with the check mode attribute enabled.

## 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 into the list.
checked | integer | Specifies whether or not to place a check by the list item.

## 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