# DeleteTextBoxLines

int DeleteTextBoxLines (int panelHandle, int controlID, int lineIndex, int number_ofLines);

## Purpose

Deletes one or more lines from a text box starting at the specified zero-based index.

## 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.
lineIndex | integer | Zero-based index into the text box.
number_ofLines | integer | The number of lines to delete. To delete all lines from lineIndex to the end, pass –1.

## 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