Don't asking to check-out a file if I'm not allowed to do that

[#1]

Vault must check if the file is locked or not before asking to check out.

If the file is locked => don't ask, just open-it read only.

If the file is not locked => ask if you want to check out.

Thanks in advance.

[#2]

Not sure if this is a Vault thing or the application that is used to open the file.  I know if a .dwg is opened from Vault Explorer that is not checked out, once Autocad gets control, it will prompt "xyz.dwg is currently in use or is read-only. Would you like to open the file read-only?". Only way to avoid this is to check-out the file in VE before its opened.