KeyAdapter incident KeyEvent class events

方位投影的坐标转换，既可单点计算，也可批量计算，转换的结果既用列表显示，用可以用文件保存，同时还可以打开查看-position projection coordinates conversion, single-point calculations can also be calculated batch, change is the result of using the list, can be used with the file, but can also open View

C++的简单控件，供初学者使用，直接调用便可以使用-C simple controls for beginners, it can be called directly using

1、通过按键控制LED灯的亮灭。2、检测按键值，点亮或者关闭LED灯。

怎样建立一个漂浮的listbox,具体使用请看编译后的关于对话框 -how to build a floating listbox, the specific use Here is compiled on the box

这是一个用vb开发的适用于各种控件的源代码，对于初学者来说是很有用的．-This is a development with vb applicable to the various controls the source code for beginners is very useful.

本程序创建了一个3维的按钮程序，供大家参考。-this procedure to create a three-dimensional buttons procedures for your reference.

这是一款可以以曲线或柱状图的形式实时动态显示数据的控件。 主要特点是：支持显示浮点数、负数，显示数据范围大、可以自定义显示范围也可自动选择范围，还可锁定显示范围。-This a can of a curve or column in the form of real-time dynamic display of data control. The main features are : support shown float, negative, showing the scope of the data, since the definition can also indicate the scope of automatic choices, but also locked display area.

该计划是为初学者谁将会学习Visual Basic，下面一个例子，使按钮，使用工具Visual Basic应用程序

该程序体现了3D球的vb实现方法，并进行旋转。-the program embodies the ball vb 3D method, and rotation.