楼术描述项: (1).该项目中"我的电脑"是作者自定义的root节点,没有设定其路径,所以BeforeExpand事件中会从它开始依次遍历,但"我的电脑"会提示"没有指定路径".故需要if(e.Tag.ToString() != "我的电脑")判断.同时"我的文档"需要再次获取其路径,依次实现Add子节点; (2).同时在"我的文档"和盘符中需要添加tNode.Nodes.Add("")加载空节点形成+号,如果没有该+号,BeforeExpend事件不会被调用,子目录无法获取加载,在BeforeExpand事件调用TreeViewItems.Add加载其子结点需要e.Nodes.Clear();清除该结点的子目录再加载. (3).提供两篇类似文章供大家学习,经过对比可以发现:第一篇仅从驱动器(C盘)开始加载,所以BeforeExpend简单展开子目录即可,不需要判断"我的电脑"和"我的文档".第二篇含"桌面",因此需要判断路径:"C# TreeView磁盘文件,AfterSelect显示加号-骆驼祥子" 和"Treeview树状显示文件夹" .同时补充一篇很优秀的文章供大家学习"WinForm应用:ListView做图像浏览" (4).补充TreeView(树视图)事件:更详细见"c# 树状视图(TreeView类)". 事件 描述 AfterCheck 在选中节点复选框后引发 AfterCollapse 在折叠一个节点后引发 AfterExpand 在扩展一个节点后引发 AfterSelect 在选中一个节点后引发 BeforeCheck 在选中节点复选框之前引发 BeforeCollapse 在折叠一个节点之前引发 BeforeExpand 在扩展一个节点之前引发 BeforeSelect 在选中一个节点之前引发 (5).补充两个关于论坛讨论"c#怎样动态读取资源文件里的图片"和"在C#中怎么调用Resources文件中的图片" (6).在《C#典型模块与项目实战大全》(清华大学出版社-丁士锋)书中谈到,出于对程序响应性能考虑,它先加载盘符结点,没有使用递归一次性加载所有文件到树状列表中,代码通过AfterSelect事件和FileSystemWatcher控件,监听加载.并使用线程池tASK更新加载TreeView,希望大家去学习. 总结 该篇通过TreeView加载了磁盘目录路径,并通过ImageList加载图标.那么怎样实现阅读文件夹下文件,获取其图标、文件大小、扩展名等信息,并双击打开文件呢?下一篇将接着讲述.最后希望该文章对大家有所帮助,文章中很多链接都可以供觉得有用的同学学习,感谢上面提到的文章及书籍作者.同时如果文章中有错误或不足之处请原谅,有问题或建议者亦可提出.希望尊重作者劳动果实勿喷.
上传时间: 2016-08-15
上传用户:baobao9437
The version of CodeWarrior used in the ARM Development Suite cannot export projects in makefile format. Manually producing makefiles from CodeWarrior projects is not an easy tASK. The aim of mcp2make is to make the conversion simpler and to require substantially less effort. mcp2make is supplied as a free-of-charge, unsupported utility.
标签: mcp2make
上传时间: 2017-01-19
上传用户:zbxinu
C#远控源代码 * TCP network stream (IPv4 & IPv6 support) * Fast network serialization (NetSerializer) * Compressed (QuickLZ) & Encrypted (AES-128) communication * Multi-Threaded * UPnP Support * No-Ip.com Support * Visit Website (hidden & visible) * Show Messagebox * tASK Manager * File Manager * Startup Manager * Remote Desktop * Remote Webcam * Remote Shell * Download & Execute * Upload & Execute * System Information * Computer Commands (Restart, Shutdown, Standby) * Keylogger (Unicode Support) * Reverse Proxy (SOCKS5) * Password Recovery (Common Browsers and FTP Clients) * Registry Editor
标签: QuasarRAT
上传时间: 2019-04-21
上传用户:netangels
The current methods of communications are becoming less relevant under today’s growing demand for and reliance on constant connectivity. Of decreasing relevance are the models of a single radio to perform a single tASK. The expansion of wireless access points among coffee shops, airports, malls, and other public arenas is opening up opportunities for new services and applications.
上传时间: 2020-05-26
上传用户:shancjb
The goal of this book is to introduce the simulation methods necessary to describe the behaviour of semiconductor devices during an electrostatic discharge (ESD). The challenge of this tASK is the correct description of semiconductor devices under very high current density and high temperature transients. As it stands, the book can be no more than a snapshot and a summary of the research in this field during the past few years. The authors hope that the book will provide the basis for further development of simulation methods at this current frontier of device physics.
标签: Development Protection ESD
上传时间: 2020-06-05
上传用户:shancjb
Since the original publication of Manual 74 in 1991, and the preceding “Guidelines for Transmission Line Structural Loading” in 1984, the understanding of structural loadings on transmission line structures has broadened signifi cantly. However, improvements in computational capa- bility have enabled the transmission line engineer to more easily deter- mine structural loadings without properly understanding the parameters that affect these loads. Many seasoned professionals have expressed concern for the apparent lack of recent information on the topic of struc- tural loadings as new engineers enter this industry. The Committee on Electrical Transmission Structures is charged with the responsibility to report, evaluate, and provide loading requirements of transmission struc- tures. This tASK committee was therefore formed to update and revise the 1991 manual.
标签: Transmission Guidelines Electrical Line for
上传时间: 2020-06-07
上传用户:shancjb
In order to enhance the efficiency and reliability of the power grid, diversify energy resources, improve power security, and reduce greenhouse gas emission, many countries have been putting great efforts in designing and constructing their smart grid(SG) infrastructures.Smart gridcommunicationsnetwork(SGCN) is oneof the key enabling technologies of the SG. However, a successful implementation of an efficient and cost-effective SGCN is a challenging tASK
上传时间: 2020-06-07
上传用户:shancjb
Identification is pervasive nowadays in daily life due to many complicated activities such as bank and library card reading, asset tracking, toll collecting, restricted access to sensitive data and procedures and target identification. This kind of tASK can be realized by passwords, bio- metric data such as fingerprints, barcode, optical character recognition, smart cards and radar. Radiofrequencyidentification(RFID)isatechniquetoidentifyobjectsbyusingradiosystems. It is a contactless, usually short distance, wireless data transmission and reception technique for identification of objects. An RFID system consists of two components: the tag (also called transponder) and the reader (also called interrogator).
标签: Processing Digital Signal RFID for
上传时间: 2020-06-08
上传用户:shancjb
ABB机器人编程手册.pdfAliasIO is used to define a signal of any type with an alias name or to use signals in builtin tASK modules. Signals with alias names can be used for predefined generic programs, without any modification of the program before running in different robot installations. The instruction AliasIO must be run before any use of the actual signal. See Basic examples on page 21 for loaded modules, and More examples on page 22 for installed modules.
上传时间: 2022-03-28
上传用户:kingwide