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GetNumCheckedItems

LabWindows/CVI

GetNumCheckedItems

int GetNumCheckedItems (int panelHandle, int controlID, int *numberOfItems);

Purpose

Returns the number of checked list items in a list control.

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

Supported Controls

You can use GetNumCheckedItems 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
numberOfItems int The number of checked items in the list box.

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