Set Text Size in AS3

set text size in as3:
Not as simple as theTextField.size = someNumber
Solution Below:

import flash.text.TextField;
import flash.text.TextFormat;

function setTextSize(i_txtFld:TextField, i_ptSize:Number){
    //Solution:
    var tmpF:TextFormat = i_txtFld.defaultTextFormat;
    tmpF.size = i_ptSize;
    i_txtFld.defaultTextFormat = tmpF;
    
    //Not simply this easy..
    //i_txtFld.defaultTextFormat.size = i_ptSize;
}//[FN:setTextSize]