int $windowId;

int $controlId; 

int $rect[4];

int $playEnd;

// First create a user window to place the Control on

$windowId = `createWindow "MyWindow"`;

// Specify the size of the Control - 100 units wide

$rect[0] = 20;  // Left

$rect[1] = 20;  // Top

$rect[2] = 120; // Right

$rect[3] = 40;  // Bottom

// Get the end of the play range

$playEnd = `getPlayEnd`;

// Create the Control on the Window, passing

// in the Window Id of the user window we 

// just created. Set the frame number to be

// the end of the play range.

$controlId = `createTimeBox $windowId-pos $rect -frame $playEnd`;