protected override void OnExecuted(CommandExecutorExecutedEventArgs args)
{
var commandNode = args.CommandNode;
//更新当前命令节点，只有当前命令树节点不是叶子节点并且为空命令节点
if (commandNode != null && commandNode.Children.Count > 0 && commandNode.Command == null)
{
this.Current = commandNode;
}
base.OnExecuted(args);
}
protected override void OnExecuted(CommandExecutorExecutedEventArgs args)
{
var last = args.Context.Expression;
//从执行器的命令表达式中找出最后一个命令表达式
while (last != null && last.Next != null)
{
last = last.Next;
}
//查找表达式中最后一个命令节点
var node = this.Find(last.FullPath);
//更新当前命令节点，只有命令树节点不是叶子节点并且为空命令节点
if (node != null && node.Children.Count > 0 && node.Command == null)
{
this.Current = node;
}
//调用基类同名方法
base.OnExecuted(args);
}
