expression describe needed

Hi Nagendra,

 

use of ternary operator. It evalutes your first condition. If condition is true then it will take what ever code after ?

else it takes code after : 

 

in your case if result not equal to 0 then it will convert to string, else it will assign empty string. 

It's a ternary operator bro. below is the simplified version.

 

} 

Hi.

This is a ternary operator.

When result value != 0 true then it will take stringBuilder.ToString() otherwise it will take string.Empty and the value will assign to devicePath.

You can follow this link to know more about ternary operator,

 

https://www.tutorialsteacher.com/csharp/csharp-ternary-operator 

 

If it helps mark as answer

Thanks.