ListGetFirstItem
InstallShield 2022 ยป InstallScript Language Reference
The ListGetFirstItem function retrieves the first element from a number list. The first item becomes the current element in the list.
Note:The ListGetFirstItem function works only with number lists.
Syntax
ListGetFirstItem ( listID, nvItem );
Parameters
| Parameter | Description | 
| listID | Specifies the number list from which to retrieve the first element. | 
| nvItem | Returns the first element of the number list. | 
Return Values
| Return Value | Description | 
| 0 | Indicates that the function successfully retrieved the first element in a number list. | 
| -1 | Indicates that an error prevented the function from retrieving the first element in a number list. | 
| END_OF_LIST (1) | Indicates that the list is empty. | 
| ISERR_LIST_NOSUCHLIST (-501) | Indicates that a list with the specified ID does not exist. Valid list IDs are return values from the ListCreate function. | 
See Also