/// <summary>
/// 广播事件
/// </summary>
/// <param name="event">事件类型</param>
/// <param name="context">发布广播的监听器</param>
/// <param name="eventControl">触发事件的控件</param>
public static void Broadcast(FocusEvent @event, FocusListener context, Control eventControl)
{
foreach (FocusListener listener in Instance.FocusListeners)
{
if (listener != null && listener != context)
{
listener.OnBroadcast(@event, context, eventControl);
}
}
}
public void OnBroadcast(FocusEvent @event, FocusListener context, Control eventControl)
{
// 判断是不是其他监听器的消息（广播转发的时候其实已经过滤了，这句判断可以不加）
if (context != this)
{
switch (@event)
{
case FocusEvent.Got:
// 如果是其他监听器下的控件获得了焦点，且焦点最后的状态记录为true，则主动执行失去焦点的事件函数
if (isOnFocus && !ChildControls.Contains(eventControl))
{
ChildControl_LostFocus(lastOnFocusControl, new EventArgs());
}
break;
case FocusEvent.Lost:
break;
}
}
}
public static void RemoveListener(FocusListener listener)
{
Instance.FocusListeners.Remove(listener);
}
/// <summary>
/// 添加监听器
/// </summary>
/// <param name="listener"></param>
public static void AddListener(FocusListener listener)
{
Instance.FocusListeners.Add(listener);
}
