private void Button_RollOut(MouseRollOutEventArgs obj)
{
state = ButtonState.Out;
}
/// <summary>
/// Sends the given event to this sprite.
/// </summary>
/// <param name="e">The event that is sent.</param>
public void SendEvent(MouseRollOutEventArgs e)
{
if (RollOut != null)
RollOut(e);
}