1- Out and Ref helps to pass BY reference 2- Ref is two way from the caller to callee and back 3- Out is one way it sends data back from the callee to the caller and any data from the caller is discarded.
1-Out and Ref helps to pass BY reference
2-Ref is two way from the caller to callee and back
3-Out is one way it sends data back from the callee to the caller and any data from the caller is discarded.