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Imported Upstream version 4.6.0.125
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//------------------------------------------------------------------------------
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// <copyright file="DbParameterCollectionBase.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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//------------------------------------------------------------------------------
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namespace NAMESPACE
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{
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Data.Common;
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using System.Data.ProviderBase;
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using System.Diagnostics;
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using System.Globalization;
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using System.Runtime.InteropServices;
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public sealed partial class PARAMETERCOLLECTIONOBJECTNAME : DbParameterCollection {
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private List<PARAMETEROBJECTNAME> _items; // the collection of parameters
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override public int Count {
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get {
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// NOTE: we don't construct the list just to get the count.
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return ((null != _items) ? _items.Count : 0);
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}
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}
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private List<PARAMETEROBJECTNAME> InnerList {
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get {
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List<PARAMETEROBJECTNAME> items = _items;
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if (null == items) {
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items = new List<PARAMETEROBJECTNAME>();
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_items = items;
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}
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return items;
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}
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}
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override public bool IsFixedSize {
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get {
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return ((System.Collections.IList)InnerList).IsFixedSize;
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}
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}
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override public bool IsReadOnly {
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get {
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return ((System.Collections.IList)InnerList).IsReadOnly;
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}
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}
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override public bool IsSynchronized {
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get {
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return ((System.Collections.ICollection)InnerList).IsSynchronized;
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}
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}
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override public object SyncRoot {
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get {
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return ((System.Collections.ICollection)InnerList).SyncRoot;
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}
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}
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[
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EditorBrowsableAttribute(EditorBrowsableState.Never)
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]
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override public int Add(object value) {
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OnChange(); // fire event before value is validated
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ValidateType(value);
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Validate(-1, value);
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InnerList.Add((PARAMETEROBJECTNAME)value);
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return Count-1;
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}
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override public void AddRange(System.Array values) {
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OnChange(); // fire event before value is validated
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if (null == values) {
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throw ADP.ArgumentNull("values");
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}
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foreach(object value in values) {
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ValidateType(value);
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}
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foreach(PARAMETEROBJECTNAME value in values) {
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Validate(-1, value);
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InnerList.Add((PARAMETEROBJECTNAME)value);
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}
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}
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private int CheckName(string parameterName) {
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int index = IndexOf(parameterName);
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if (index < 0) {
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throw ADP.ParametersSourceIndex(parameterName, this, ItemType);
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}
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return index;
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}
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override public void Clear() {
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OnChange(); // fire event before value is validated
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List<PARAMETEROBJECTNAME> items = InnerList;
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if (null != items) {
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foreach(PARAMETEROBJECTNAME item in items) {
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item.ResetParent();
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}
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items.Clear();
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}
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}
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override public bool Contains(object value) {
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return (-1 != IndexOf(value));
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}
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override public void CopyTo(Array array, int index) {
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((System.Collections.ICollection)InnerList).CopyTo(array, index);
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}
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override public System.Collections.IEnumerator GetEnumerator() {
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return ((System.Collections.ICollection)InnerList).GetEnumerator();
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}
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override protected DbParameter GetParameter(int index) {
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RangeCheck(index);
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return InnerList[index];
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}
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override protected DbParameter GetParameter(string parameterName) {
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int index = IndexOf(parameterName);
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if (index < 0) {
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throw ADP.ParametersSourceIndex(parameterName, this, ItemType);
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}
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return InnerList[index];
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}
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private static int IndexOf(System.Collections.IEnumerable items, string parameterName) {
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if (null != items) {
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int i = 0;
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// first case, kana, width sensitive search
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foreach(PARAMETEROBJECTNAME parameter in items) {
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if (0 == ADP.SrcCompare(parameterName, parameter.ParameterName)) {
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return i;
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}
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++i;
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}
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i = 0;
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// then insensitive search
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foreach(PARAMETEROBJECTNAME parameter in items) {
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if (0 == ADP.DstCompare(parameterName, parameter.ParameterName)) {
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return i;
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}
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++i;
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}
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}
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return -1;
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}
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override public int IndexOf(string parameterName) {
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return IndexOf(InnerList, parameterName);
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}
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override public int IndexOf(object value) {
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if (null != value) {
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ValidateType(value);
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List<PARAMETEROBJECTNAME> items = InnerList;
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if (null != items) {
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int count = items.Count;
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for (int i = 0; i < count; i++) {
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if (value == items[i]) {
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return i;
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}
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}
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}
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}
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return -1;
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}
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override public void Insert(int index, object value) {
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OnChange(); // fire event before value is validated
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ValidateType(value);
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Validate(-1, (PARAMETEROBJECTNAME)value);
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InnerList.Insert(index, (PARAMETEROBJECTNAME)value);
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}
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private void RangeCheck(int index) {
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if ((index < 0) || (Count <= index)) {
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throw ADP.ParametersMappingIndex(index, this);
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}
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}
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override public void Remove(object value) {
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OnChange(); // fire event before value is validated
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ValidateType(value);
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int index = IndexOf(value);
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if (-1 != index) {
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RemoveIndex(index);
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}
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else if (this != ((PARAMETEROBJECTNAME)value).CompareExchangeParent(null, this)) {
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throw ADP.CollectionRemoveInvalidObject(ItemType, this);
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}
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}
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override public void RemoveAt(int index) {
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OnChange(); // fire event before value is validated
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RangeCheck(index);
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RemoveIndex(index);
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}
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override public void RemoveAt(string parameterName) {
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OnChange(); // fire event before value is validated
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int index = CheckName(parameterName);
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RemoveIndex(index);
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}
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private void RemoveIndex(int index) {
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List<PARAMETEROBJECTNAME> items = InnerList;
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Debug.Assert((null != items) && (0 <= index) && (index < Count), "RemoveIndex, invalid");
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PARAMETEROBJECTNAME item = items[index];
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items.RemoveAt(index);
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item.ResetParent();
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}
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private void Replace(int index, object newValue) {
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List<PARAMETEROBJECTNAME> items = InnerList;
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Debug.Assert((null != items) && (0 <= index) && (index < Count), "Replace Index invalid");
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ValidateType(newValue);
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Validate(index, newValue);
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PARAMETEROBJECTNAME item = items[index];
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items[index] = (PARAMETEROBJECTNAME)newValue;
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item.ResetParent();
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}
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override protected void SetParameter(int index, DbParameter value) {
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OnChange(); // fire event before value is validated
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RangeCheck(index);
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Replace(index, value);
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}
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override protected void SetParameter(string parameterName, DbParameter value) {
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OnChange(); // fire event before value is validated
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int index = IndexOf(parameterName);
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if (index < 0) {
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throw ADP.ParametersSourceIndex(parameterName, this, ItemType);
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}
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Replace(index, value);
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}
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private void Validate(int index, object value) {
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if (null == value) {
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throw ADP.ParameterNull("value", this, ItemType);
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}
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// Validate assigns the parent - remove clears the parent
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object parent = ((PARAMETEROBJECTNAME)value).CompareExchangeParent(this, null);
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if (null != parent) {
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if (this != parent) {
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throw ADP.ParametersIsNotParent(ItemType, this);
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}
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if (index != IndexOf(value)) {
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throw ADP.ParametersIsParent(ItemType, this);
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}
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}
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// generate a ParameterName
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String name = ((PARAMETEROBJECTNAME)value).ParameterName;
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if (0 == name.Length) {
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index = 1;
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do {
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name = ADP.Parameter + index.ToString(CultureInfo.CurrentCulture);
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index++;
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} while (-1 != IndexOf(name));
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((PARAMETEROBJECTNAME)value).ParameterName = name;
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}
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}
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private void ValidateType(object value) {
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if (null == value) {
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throw ADP.ParameterNull("value", this, ItemType);
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}
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else if (!ItemType.IsInstanceOfType(value)) {
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throw ADP.InvalidParameterType(this, ItemType, value);
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}
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}
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};
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}
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