Devuelve la coordenada x de la posición del ratón relativa al botón.
this.createTextField("mouse_txt", 999, 5, 5, 150, 40);
mouse_txt.html = true;
mouse_txt.wordWrap = true;
mouse_txt.border = true;
mouse_txt.autoSize = true;
mouse_txt.selectable = false;
//
var mouseListener:Object = new Object();
mouseListener.onMouseMove = function() {
var table_str:String = "<textformat tabstops='[50,100]'>";
table_str += "<b>Stage</b>\t"+"x:"+_xmouse+"\t"+"y:"+_ymouse+newline;
table_str += "<b>Button</b>\t"+"x:"+my_btn._xmouse+"\t"+"y:"+my_btn._ymouse+newline;
table_str += "</textformat>";
mouse_txt.htmlText = table_str;
};
Mouse.addListener(mouseListener);