如何向环境中发送任务消息

aDragon

function TMAINFORM.GetCurrentTaskGuid : string;
var
  lMsg : TGetCurrentTaskMessage;
begin
  Result := '';
  lMsg := TGetCurrentTaskMessage.Create;
//  Context.SendMessage(lMsg);
  Context.BroadcastToParent(lMsg);
  if Length(lMsg.Tasks) > 0 then
    Result := lMsg.Tasks[0].GUID;
end;