Step1_

说明：  5、 打印如下方阵（任选一题）。 (1) 螺旋方阵： 1 2 3 4 12 13 14 5 11 16 15 6 10 9 8 7(it is a C++ file)

VC++　用MFC编写的打印程序，希望对大家有用(VC++ MFC Print)

输入一个十进制数字，打印出其二进制所包含的1的个数，空间复杂度很小(Enter a decimal number, print out its binary contains a number, a very small space complexity)

用来显示对应数字的条形码。共6种码制，可以选择打印大小，打印位置，也可以打印预览，不过暂时还不具备连接打印机打印功能，这个可以自己添加上去。(Used to display the corresponding bar code numbers. A total of six kinds of system code, you can choose print size and print position, you can print preview, but not yet connected with a printer function, this can add up.)

Rich text box print preview

福彩双色球模拟测试。 支持五组随机选球；支持打印功能。(Fucai color ball simulation tests. It supports five groups of randomly selected balls support print function.)

OPOS应用程序开发示例，哟关于测试字符修饰打印(OPOS application development example, modification of yo character on the test print)

VB打印任务监控程序的源代码，适时获得当前打印机的任务状态，列出正在打印的任务，同时对所有任务进行管理 ，可结束和暂停任务，写的不错。(VB print job monitoring program s source code, the task of timely access to current printer status, list is printing tasks, while management of all tasks, to end and pause tasks and write well.)

grid++打印条码，特别好用，谁用了就知道了(Grid++ prints barcodes, which are very easy to use. Anyone who uses them knows.)

vf写的一个血液流变学检测分析报告系统，可以单机使用，管理数据信息打印报告等功能。(vf write a hemorheology analysis system that can stand-alone use, management of data information print reporting.)