GetNumListItems
int GetNumListItems (int panelHandle, int controlID, int *count);
Purpose
Returns the number of list items in the specified control.
Supported Controls
You can use GetNumListItems with the following controls:
Parameters
| Input | ||
| Name | Type | Description |
| panelHandle | int | Specifier for a particular panel that is currently in memory. You can obtain this handle from functions such as LoadPanel and NewPanel. |
| controlID | int | 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 functions such as NewCtrl and DuplicateCtrl. |
| Output | ||
| Name | Type | Description |
| count | int | The number of items in the list control. Because the indices are zero based, this value is one greater than the index of the last item. |
Return Value
| Name | Type | Description |
| status | int | Return value indicating whether the function was successful. A negative number indicates that an error occurred. |
Additional Information
Library: User Interface Library
Include file: userint.h
LabWindows/CVI compatibility: LabWindows/CVI 3.0 and later
Examples
Refer to the following examples that use the GetNumListItems function:
- apps\uirview\uirview.cws
Open example - toolbox\XMLSample.cws
Open example - userint\imagedit.cws
Open example - userint\listbox.cws
Open example - userint\treesearch.cws
Open example