The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
探讨了常见非圆弧曲线的加工方法，并以椭圆及正弦曲线为例，叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
Keeping in mind that data binding is mostly about data conversion (leaving the data alone), you might think, "What programming is involved, other than feeding in data and passing the results along?"
要记住数据绑定主要是关于数据转换的(而不是数据)，您可能认为“还要什么编程呀，不就是提供数据然后传递结果吗？”
Some code is converted to a better domain name and IP conversion function with each other on network programming VB friends have a certain reference value.
程序代码还有一些比较好的IP转换为域名以及互相转换的函数，对VB网络编程的朋友有一定参考价值。
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