return value should be checked?

[Alberto Tortella]

Hi all, when I compile my experts with the new build version I often get the warning "return value of OrderSelect" should be checked".

How can I proceed to check this?

Thank you!

[William Roeder]

Alberto_jazz: How can I proceed to check this?	What are Function return values ? How do I use them ? - MQL4 forum

[Alberto Tortella]

Thank you!