public override IMessage Invoke(IMessage msg)
{
Monitor.Enter(this);
try {
var _msg = msg as IMethodCallMessage;
try {
var _args = new object[_msg.ArgCount];
for (int i = 0; i < _msg.ArgCount; i++)
{
_args[i] = _msg.Args[i];
}
if (_msg.MethodBase.IsSpecialName)
{
var _name = _msg.MethodBase.Name.Split(new string[] { "_" }, 2, StringSplitOptions.None);
var _eventName = _name[1];
switch (_name[0])
{
case "add":
if (this._events.ContainsKey(_eventName))
{
var _isExist = this._events[_eventName].Handler != null;
this._events[_eventName].AddHandler(_args[0] as Delegate);
if (_isExist)
{
return(new ReturnMessage(null, _args, 0, _msg.LogicalCallContext, _msg));
}
}
else
{
this._events.Add(_eventName, EventHandlerHelper.Create(_eventName, _args[0] as Delegate, this.Helper));
}
_args[0] = this._events[_eventName].ProxyHandler;
break;
case "remove":
if (this._events.ContainsKey(_eventName))
{
this._events[_eventName].RemoveHandler(_args[0] as Delegate);
if (this._events[_eventName].Handler != null)
{
return(new ReturnMessage(null, _args, 0, _msg.LogicalCallContext, _msg));
}
_args[0] = this._events[_eventName].ProxyHandler;
}
break;
}
}
var _result = this.Helper.InvokeHandler(this._instance, _msg.MethodBase, _args);
return(new ReturnMessage(_result, _args, 0, _msg.LogicalCallContext, _msg));
} catch (Exception ex) {
return(new ReturnMessage(ex, _msg));
}
} finally {
Monitor.Exit(this);
}
}
