本人写的一个更改桌面位置的源码，delphi编写-I write a position to change the desktop of the source, delphi prepared

本程序由Delphi开发一个计算器，是初学者参考的好例子，完善的功能除数不能为0、直接按“=”号产生的错误，小数点的定位，自动光标位置-A calculator program developed by Delphi, is a good example for beginners reference, and improve the function of the divisor can not be zero, " =" error, not the number of point pos

delphi票据打印，可以拖拽控件，改变打印位置。(Delphi bill printing, you can drag and drop controls, change the print position.)

智能仓库货架指示灯控制调试程序，可控制显示位置、数量、颜色、亮度(Intelligent warehouse shelf indicator control debugging program, can control display position, quantity, color, brightness)