Button event causes sort on grid column

Question

This is an unwanted behavior. I have a data grid with buttons in the column header. When clicked a pop-up is initiated but at the same time that column is sorted. How can I disable the sorting, just during the buttonclick event?
This is the line of code that enables the pop-up:
column.addEventListener(ButtonHeaderEvent.BUTTON_C LICK, openSliderPanel);

Answer 1

That is correct.  Here are more specifics:
import flash.events.Event;
public class ButtonHeaderEvent extends Event {
    public static const BUTTON_CLICK:String = "buttonClick";
    public var eventX:Number;
    public var eventY:Number;
    public function ButtonHeaderEvent(type:String, x:Number, y:Number) {
        super(type);
        eventX = x;
        eventY = y;