sql语句，用熟悉SQL SERVER的语句学习等等 多个OLAP生成语句

First of all, there are lots of custom tree controls available so what s the need for this? In one of my projects I happened to use several tree controls to show data objects at different levels and I had to deal with user actions. Each time, my tree control has to respond in different way depending on the selected item. Here I present what I have (I re-wrote some of my code to use this custom control and I believe that it is more readeble and easy to understand now) -First of all, there are lots of custom tree controls availabl e so what"s the need for this In one of my projects I happened to use several tree controls to show da ta objects at different levels and I had to deal w praxiology user actions. Each time, my tree control has to respond in different way d epending on the selected item. Here I present wh at I have (I re-wrote some of my code to use this cu stom control and I believe that it is more readeb le and easy to understand now)

音乐设计的ＤＯＳ下的程序，显示键盘的按牛，急口令．-music designed DOS procedures, according to the keyboard show cattle, Tongue-twister.

实现CtreeCtrl控件多选功能的封装类(Suport multiselection functionality for tree controls.)

是Delphi下的TreeList型的控件，功能很强大，带有Demo和说明文件可参考。-Delphi is under the control of TreeList type, function very powerful, with Demo and reference documentation.

演示了如何使用树控件，对不了解树控件如何初始化，如何使用的人有帮助-Demonstrated how to use the tree control, tree control do not understand how to initialize, how to use people who have helped

这段源码是用win32api 自己封装的CDirTreeview,出自名人之手，强烈推荐-this source is used win32api CDirTreeview own package, from the hands of celebrities and strongly recommended

模拟物理文件的存储过程(连续文件) 初始条件： 随机产生存储空间大小，文件的个数及大小。-simulated physical document storage process (continuous) initial conditions : randomly generated storage space size, the number and size.

实现在一个属性结构中，任意的托拽节点。说明：节点的托拽不受援节点位置的层次限制-achieve an attribute structure, arbitrary drag nodes. Note : drag nodes Node location recipient is not the level of restrictions

CTreeFileCtrl

vc++可视化编程，包括树形控件，压缩包里面的是源代码，可直接运行。-vc++ visual programming, including the tree controls, compressed packets inside the source code can be directly run.