System.Data.ConstraintCollection.BaseGroupSwitch C# (CSharp) Méthode

        private void BaseGroupSwitch(Constraint[] oldArray, int oldLength, Constraint[] newArray, int newLength)
        {
            // We're doing a smart diff of oldArray and newArray to find out what
            // should be removed.  We'll pass through oldArray and see if it exists
            // in newArray, and if not, do remove work.  newBase is an opt. in case
            // the arrays have similar prefixes.
            int newBase = 0;
            for (int oldCur = 0; oldCur < oldLength; oldCur++)
            {
                bool found = false;
                for (int newCur = newBase; newCur < newLength; newCur++)
                {
                    if (oldArray[oldCur] == newArray[newCur])
                    {
                        if (newBase == newCur)
                        {
                            newBase++;
                        }
                        found = true;
                        break;
                    }
                }
                if (!found)
                {
                    // This means it's in oldArray and not newArray.  Remove it.
                    BaseRemove(oldArray[oldCur]);
                    List.Remove(oldArray[oldCur]);
                }
            }

            // Now, let's pass through news and those that don't belong, add them.
            for (int newCur = 0; newCur < newLength; newCur++)
            {
                if (!newArray[newCur].InCollection)
                    BaseAdd(newArray[newCur]);
                List.Add(newArray[newCur]);
            }
        }