/// <summary>
/// 注册
/// </summary>
/// <param name="o"></param>
public void Attach(CObject o)
{
if (!ObjectList.Contains(o))
{
ObjectList.Add(o);
}
}
/// <summary>
/// 删除
/// </summary>
/// <param name="o"></param>
public void Dettach(CObject o)
{
if (ObjectList.Contains(o))
{
ObjectList.Remove(o);
}
}
static void Main(string[] args)
{
ISubject sbj = new CSubject();
CObject obj1 = new CObject();
CObject obj2 = new CObject();
sbj.Attach(obj2);
sbj.Attach(obj1);
while (true)
{
char tmpChar = Console.ReadKey().KeyChar;
if (tmpChar.Equals('Q'))
{ break; }
if (tmpChar.Equals('R'))
{
sbj.Dettach(obj1);
}
sbj.BroadObject = tmpChar;
Console.WriteLine();
// 通知订阅者
sbj.Notify();
}
}