Using embedded fonts with the CheckBox control in Flash with ActionScript 3.0

// ActionScript 3.0
var textFmt:TextFormat = new TextFormat();
textFmt.font = "Arial";
textFmt.size = 12;
 
checkBox1.label = "Change font family";
checkBox1.width = textArea.width;
checkBox1.addEventListener(Event.CHANGE, checkBox1_change);
 
checkBox2.label = "Change font size";
checkBox2.width = textArea.width;
checkBox2.addEventListener(Event.CHANGE, checkBox2_change);
 
textArea.setStyle("textFormat", textFmt);
textArea.wordWrap = false;
textArea.text = describeType(TextArea).toXMLString();
 
function checkBox1_change(evt:Event):void {
    var tf:TextFormat = textArea.getStyle("textFormat") as TextFormat;
    if (evt.currentTarget.selected) {
        tf.font = "Times New Roman";
    } else {
        tf.font = "Arial";
    }
    textArea.setStyle("textFormat", tf);
}
 
function checkBox2_change(evt:Event):void {
    var tf:TextFormat = textArea.getStyle("textFormat") as TextFormat;
    if (evt.currentTarget.selected) {
        tf.size = 20;
    } else {
        tf.size = 12;
    }
    textArea.setStyle("textFormat", tf);
}