int $windowId;

int $ formId;

int$topForm;

int$controlId;

int$rect[4];

// First create a User Window to place the Control on

$windowId = `createWindow "MyWindow"`;
  

// Get the top level form

$topForm = `getTopLevelForm $windowId`; 
  

// Specify the size of the Form - 300x300 

$rect[0] = 20;  // Left 

$rect[1] = 20;  // Top 

$rect[2] = 320; // Right 

$rect[3] = 320; // Bottom 
  

// Create the Form, adding it as a child of the

// top level form.

$formId = `createForm $windowId -form $topForm -pos $rect`; 
  

// Now create a Text Box, and anchor it so that the text box spans

// the length of the Form

$controlId = `createTextBox $windowId -text "Text Box" -form $formId`; 
  

// Anchor it

setControlAnchor;

$controlId "top" "top" 20;

setControlAnchor; 

$controlId "left" "left" 20;

setControlAnchor; 

$controlId "right" "right" 20; 
  

// Now, call layoutForm, which will do the managing of the controls

// under the form

layoutForm $topForm;