# ReplaceTextBoxLine

int ReplaceTextBoxLine (int panelHandle, int controlID, int lineIndex, char text[]);

## Purpose

Replaces a specific text box line with the string you specify.

| Note If you are replacing the last line of the text box, and the existing text is not followed by a newline character, this function inserts a newline character following the new text.

## 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.
text | string | String to replace the line of text at the lineIndex.

## 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