System.Configuration.SettingsPropertyValue.Deserialize C# (CSharp) Метод

        private object Deserialize()
        {
            object val = null;
            //////////////////////////////////////////////
            /// Step 1: Try creating from Serailized value
            if (SerializedValue != null)
            {
                try {
                    if (SerializedValue is string) {
                        val = GetObjectFromString(Property.PropertyType, Property.SerializeAs, (string)SerializedValue);
                    } else {
                        MemoryStream ms = new System.IO.MemoryStream((byte[])SerializedValue);
                        try {
                            val = (new BinaryFormatter()).Deserialize(ms);
                        } finally {
                            ms.Close();
                        }
                    }
                } 
                catch (Exception exception) { 
                }


               if (val != null && !Property.PropertyType.IsAssignableFrom(val.GetType())) // is it the correct type
                    val = null;
            }

            //////////////////////////////////////////////
            /// Step 2: Try creating from default value
            if (val == null)
            {
                _UsingDefaultValue = true;
                if (Property.DefaultValue == null || Property.DefaultValue.ToString() == "[null]") {
                    if (Property.PropertyType.IsValueType)
                        return Activator.CreateInstance(Property.PropertyType);
                    else
                        return null;
                }
                if (!(Property.DefaultValue is string)) {
                    val = Property.DefaultValue;
                } else {
                    try {
                        val = GetObjectFromString(Property.PropertyType, Property.SerializeAs, (string)Property.DefaultValue);
                    } catch(Exception e) {
                        throw new ArgumentException(SR.GetString(SR.Could_not_create_from_default_value, Property.Name, e.Message));
                    }
                }
                if (val != null && !Property.PropertyType.IsAssignableFrom(val.GetType())) // is it the correct type
                    throw new ArgumentException(SR.GetString(SR.Could_not_create_from_default_value_2, Property.Name));
            }

            //////////////////////////////////////////////
            /// Step 3: Create a new one by calling the parameterless constructor
            if (val == null)
            {
                if (Property.PropertyType == typeof(string)) {
                    val = "";
                } else {
                    try {
                        val = Activator.CreateInstance(Property.PropertyType);
                    } catch {}
                }
            }

            return val;
        }