public LTDescr setGUIMoveMargin()
{
this.type = TweenAction.GUI_MOVE_MARGIN;
this.initInternal = ()=>{ this.from = new Vector2(this._optional.ltRect.margin.x, this._optional.ltRect.margin.y); };
this.easeInternal = ()=>{ Vector3 v = easeMethod(); this._optional.ltRect.margin = new Vector2(v.x, v.y); };
return this;
}