相当不错的打印预览程序，可供吾辈菜鸟及初学者练手-Print Preview a pretty good program for beginners to practice and rookie吾辈hand

调用DLL类库，实现对ARGOX手持式条码扫描仪的调用，可开发自己需要的特殊程序。这是一个很好的例子。-Call the DLL class library, to realize the hand-held bar code scanners ARGOX call, can develop their own special procedures required. This is a good example.

学习打印机原理的最佳途径，资料一手，难得，尽快下载 以免丢失-Printer is the best way to learn theory, information hand, rare, download as soon as possible to avoid losing

输入行列的值，打印出左手旋转矩阵。 例如，输入4 3 ，则输出： 1 2 3 10 11 4 9 12 5 8 7 6-Enter the ranks of the value to print out his left hand rotation matrix.