How can i add blank into input

[Mohammad Ali]

How do i blank into here 

I want MW4Ex and MW4 show as blank, my code is below 

input string     MW4Ex                   = ""; // 

input string     MW4                     = ">>>>>>>>>> Average Indicator #1 <<<<<<<<<<"; // 

Into // I add ALT+0160 for use blank, but it was work previously, but some after new build when I complied EA, it is not work.  ALT+0160 this option work on MT4 but not work on MT5, is there are solution to do that

Thanks in Advanced

[Paul Anscombe]

Mohammad Ali:

How do i blank into here 

I want MW4Ex and MW4 show as blank, my code is below 

input string     MW4Ex                   = ""; // 

input string     MW4                     = ">>>>>>>>>> Average Indicator #1 <<<<<<<<<<"; // 

Into // I add ALT+0160 for use blank, but it was work previously, but some after new build when I complied EA, it is not work.  ALT+0160 this option work on MT4 but not work on MT5, is there are solution to do that

Thanks in Advanced

use input group

https://www.mql5.com/en/docs/basis/variables/inputvariables

[William Roeder]

How i create Blank Input - MQL4 programming forum #3-4 (2016)

This “feature” existed before build 1090 (May 19, 2017.)
          input variables and comments - General - MQL5 programming forum (2017)