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MetaQuotes ID是什么?从文章中找出 答案!
龙飞
86
龙飞 2007.10.18 18:20 
在指标里怎么MessageBox显示不出来,是不是在指标里这个函数不能用!?!?谢谢!
Rashid Umarov
管理员
6606
Rashid Umarov 2007.10.18 19:58  
See https://docs.mql4.com/common/MessageBox

The function cannot be called from custom indicators since they are executed within interface thread and may not decelerate it.
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