// called every frame
public virtual void Refresh(bool instant)
{
if (StyleDirty)
{
ApplyStyle(instant);
}
if (IsVisible && Positioner.Transporting)
{
Positioner.Refresh(instant || Revealer.CurrentVisibility == 0);
}
if (Revealer.Transitioning)
{
Revealer.Refresh(instant);
}
if (Sizer.Resizing)
{
Sizer.Refresh(instant);
}
}