EA编程：如何获趋势线的角度
在EA编程中，有时候为了判断趋势强弱，我们想知道趋势线的角度，角度越接近90度，表示趋势越强，这个时候更需要重点关注。如何实现曲线角度？在MT4里面，实现这个并不难。
很多初学者，在MT4编程参考里面，翻阅到了获取趋势线角度的方法，但自己就是获取不到，看看上面的代码，加入一个while语句，就可以确保能够获取到角度。
编程好学，但是要让自己的程序稳定健壮，是需要下一番功夫的。
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