# GetNumTreeColumns

int GetNumTreeColumns (int panelHandle, int controlID, int *count);

## Purpose

Returns the number of columns in the tree control.

## 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.
Output
Name | Type | Description
count | integer | The number of columns in the tree control. Because the indices are zero based, this value is one greater than the index of the last column.

## 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