/// <summary>
/// 触发前执行
/// </summary>
protected void OnBeforeExecuteWorkItem()
{
var delegateService = GetDelegateService();
var actionList = this.EventActivity.ActionList;
ActionExecutor.ExecteActionListBefore(actionList, delegateService as IDelegateService);
//----> 节点流转前，调用活动执行的委托事件
DelegateExecutor.InvokeExternalDelegate(this.Session,
EventFireTypeEnum.OnActivityExecuting,
this.EventActivity,
ActivityForwardContext);
}
