字母小游戏程序，是学习VB语言的基础程序，是VB测量程序设计课程的主要实践程序之一，能有效的巩固基础。-Letter small game program, is the basis for learning VB language program is one measure PROGRAM DESIGN VB main practice program that can effectively consolidate the foundation.

多边形面积计算程序，是VB测量程序设计课程的基础程序,此代码可用于常规测量点位面积计算-Polygon area calculation procedure is VB programming course on the basis of the measurement program, this code can be used to calculate the area of a conventional measuring points