/// <summary>
/// 设置项目更新函数
/// </summary>
/// <typeparam name="T">ui模型</typeparam>
/// <typeparam name="U">数据模型</typeparam>
/// <param name="action">更新函数委托</param>
public void SetItemUpdate <T, U>(Action <T, U> action) where T : TreeViewItem, new() where U : TreeViewNode, new()
{
var m = new TVMiddleware <T, U>();
m.Invoke = action;
creator = m;
}
/// <summary>
/// 设置项目更新,用于热更新
/// </summary>
/// <param name="m"></param>
public void SetItemUpdate(HotTVMiddleware m)
{
creator = m;
}