Switch MT4 Terminal Windows

 

Dear all,

 

English: 

If I running two or more MT4 terminal windows. How Can I  switch terminal windows with EA code?

I can switch symbol chart and change timeframe in the same terminal windows, but i don't know how to switch to other terminial windows.   please help.

 

Chinese:

如果我已经运行多个MT4软件,如何在EA内通过代码实现不同的MT4 WINDOWS之间切换?

 

Thanks!