int $windowId;

int $controlId;

int $formId;

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

$windowId = `createWindow "MyWindow"`;

// Get the top-level form ID

$formId = `getTopLevelForm $windowId`;

// Create a Text Box Control in the window. Add it to the

// top-level form we just got

$controlId = `createTextBox $windowId -form $formId`;

// Attach the text controls sides to the top level form,

// so that it stretches across the top of the Window

setControlAnchor $controlId "left" "left" 5;

setControlAnchor $controlId "right" "right" 5;

setControlAnchor $controlId "top" "top" 5;

// Issue the call to lay out the top level form. We only

// need to do this once

layoutForm $formId;