int $windowId;

int $controlId;

int $index;

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

$windowId = `createWindow "MyWindow"`;

// Create the User Control on the Window. 

$controlId = `createDropList $windowId`;

// Add some items to the Drop List.

addDropListItem $controlId "Item 1";

addDropListItem $controlId "Item 2";

addDropListItem $controlId "Item 3";

// Select the second item

selectDropListItem $controlId 1;

// Get the selected item

$index = `getDropListSelItem $controlId`;

print $index;