a time of the ActiveX Programming

并口开发实用工具的文档和源码，已根据此开发出并口调试I2C的实用工具。-Parallel to the development of practical tools and source files, this has developed parallel debugging I2C a practical tool.

程序在系统托盘中显示的托盘类-procedures in the system tray shows the type tray

主要针对MFC串口通信控件的开发，实现了串口数据的交互，新手学习和了解串口通信的最好示例。

PE文件头的查看工具,用于查看PE文件头-PE file header of the view the tool to view PE file header

通过7个实例来讲解opengl的入门知识。-7 through opengl examples to explain the entry of knowledge.

这是信息论与编码的作业，有3种信源编码方式，费诺编码、唯一可译码、香农码。 唯一可译码：若码的任意一串有限长的码符号序列只能被唯一地译成所对应的信源符号序列，则此码称为唯一可译码，否则，就称为非唯一可译码。 香农码：按不等式选择的码长所构成的码称香农码，香农码满足克拉夫特不等式。

hi this program zooom up the coordinate system

一个计算24点的小游戏 只要给出四个数字就能算出所有结果-a calculation of 24 points in the game as long as a small number will be given four calculate all the results

参考源码，学习例子-reference source, study examples

输入一个自然数Ｎ（2≤N≤9），要求输出如下的螺旋矩阵，即边长为N*N，元素取值为1至N*N，1在左上角，呈顺时针方向依次放置各元素。 N=3时，相应的矩阵中每个数字位置如下图所示： 1 2 3 8 9 4 7 6 5-Enter a natural number N (2 ≤ N ≤ 9), the requirements are as follows spiral output matrix, that is, edge length of N* N, the element values for the 1 to N* N, 1 in the upper left corner, showing a clockwise direction in order to place the various elements . N = 3, the corresponding figures for the location of each matrix as follows: 123,894,765