GetTreeItemNumChildren
int GetTreeItemNumChildren (int panelHandle, int controlID, int itemIndex, int *numberOfChildren);
Purpose
Returns the number of children of the specified tree item.
Supported Controls
You can use GetTreeItemNumChildren with tree 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. |
| itemIndex | int | Zero-based index of the tree item. |
| Output | ||
| Name | Type | Description |
| numberOfChildren | int | The number of child items of the specified tree 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 7.0 and later
Example
Refer to userint\treeevent.cws for an example of using the GetTreeItemNumChildren function.