public void Logout(string userName)
{
CheckinUser logoutUser = CheckinCC.GetUser(userName);
CheckinCC.Users.Remove(logoutUser);
foreach (var user in CheckinCC.Users)
{
user.Checkincallback.ShowLogout(userName);
}
logoutUser = null; //将其设置为null后，WCF会自动关闭该客户端
}
public void Login(string userName)
{
OperationContext context = OperationContext.Current;
ICheckinServerCallback callback = context.GetCallbackChannel <ICheckinServerCallback>();
CheckinUser newUser = new CheckinUser(userName, callback);
CheckinCC.Users.Add(newUser);
foreach (var user in CheckinCC.Users)
{
user.Checkincallback.ShowLogin(userName);
}
}
public static CheckinUser GetUser(string username)
{
CheckinUser user = null;
foreach (var item in Users)
{
if (item.Name == username)
{
user = item;
break;
}
}
return(user);
}