Ex4_4

qt 开发的聊天源代码，使用 qtcpsocket 开发，容易看懂( qt source for tcp client)

VS很好用的IP类文件，外国人编写的哦，很实用的命名空间(IP class files VS good use of foreigners prepared oh， Very practical namespace)

this is useful for every one in simulation.

该套软件主要用来记录家庭财务收入与支出的情况。软件包括下面几个方面的主要界面：1、用户登录界面：单击左边窗口的用户登录按钮可以进入该界面。输入要操作人的用户名和密码，这里由于只提供给自己家用，所以只有两个用户，可以输入ycl 密码：12345进入。2、账目现状界面：登录成功自动进入账目现状界面，当然也可以通过单击左边窗口中的账目现状按钮进入该界面，该界面可以显示指定时间段内的收入与支出情况，统计出现有余额。并通过树状列表显示各项收入支出的情况。3、资金进账界面：登录成功后，才能运行该界面，用户通过单击左窗口中的资金进账按钮来进入该界面。该界面可以显示指定时间段内的支出情况，并可以添加新的收入项目。测试时可以选择6月到10月之间的项目4、资金支出界面：登录成功后才能运行该界面，用户通过单击左窗口中的资金支出按钮来进入该界面。该界面可以显示指定时间段内的收入情况，并可以添加新的支出项目。测试时可以选择6月到10月之间的项目5、系统退出：用户可以通过单击左窗口中的系统退出按钮来退出系统的运行(Of the software is mainly used to record income and expenditure of the family financial situation. Several aspects of the software includes the following main interfaces: one, the user login screen: Click the button to the left of the window the user can log into the interface. Enter the operator s user name and password, here as available only to their own home, so there are only two users, you can enter ycl Password: 12345 to enter. 2, accounts for the status quo interface: Log in automatically into the accounts of the success of the status quo interface, of course, the left window by clicking the button in the accounts of the status quo into the interface that can display the specified time period of the income and expenditure, statistics appeared in the balance. Through the tree list displays all the income and expenditure situation. 3, funds much richer interface: login is successful, in order to run the interface, the user window by clicking the left button to enter the capital m)

蓝牙连接实例，实现蓝牙连接。。。。。。。(Bluetooth connection instance, to achieve a Bluetooth connection. . . . . . .)

这个是关于网络工作室的源代码,主要是用于网络编程的初级参考,希望能给刚入网络编程的朋友提供帮助(This is a studio on the network)

给出了基于MFC的can232接口的调试程序(MFC-can232 given based debugger interface)

4. 实现函数max（），来输出树中的最大值。 template <typename T> tnode<T> *max(tnode<T> *t) 请参考第三题中计算树的深度算法，编写程序，调用max（）显示整数树中的最大值。(4. To achieve function max (), to maximum output in the tree. template <typename T> tnode <T>* Max (tnode <T>* T) refer to the third question in the calculation of the depth of the tree algorithm, programming, call max () shows the maximum integer tree.)

vc修改打印设置代码，可以修改打印的基本设置，例如纸张大小(vc revised set code can be amended Print the basic setup, such as paper size, etc.)

实现拖放文件到视图窗口的vc++的程序的代码,好用，适用于初学者学习与指导(Drag and drop files to the code view window vc++ program, easy to use, suitable for beginners to learn and guidance)