Flex4 : Embedding fonts

[Embed(source="tahoma.ttf",
fontFamily='tahoma',
mimeType="application/x-font",
embedAsCFF="false")]
private var TahomaEmbeddedFont:Class;



forMessage = new TextFormat();
forMessage.font = "Tahoma";
forMessage.color = 0xFFFFFF;
forMessage.size = 80;
// text field
txtMessage = new TextField();
txtMessage.width = 1390;
txtMessage.multiline = true;
txtMessage.defaultTextFormat = forMessage;
txtMessage.autoSize = TextFieldAutoSize.LEFT;
txtMessage.wordWrap = true;
txtMessage.border = false;
txtMessage.embedFonts = true;
txtMessage.sharpness = 400;
txtMessage.selectable = false;
sprMessage.addChild(txtMessage);
txtMessage.x = 0;
txtMessage.y = 0;
sprMessage.alpha = 0;