1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections;
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24 | using System.Collections.Generic;
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25 | using System.Drawing;
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26 | using System.Linq;
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27 | using System.Text;
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28 | using HeuristicLab.Common;
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29 | using HeuristicLab.Core;
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30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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31 |
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32 | namespace HeuristicLab.Data {
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33 | [Item("ValueTypeMatrix<T>", "An abstract base class for representing matrices of value types.")]
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34 | [StorableClass]
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35 | public abstract class ValueTypeMatrix<T> : Item, IEnumerable where T : struct {
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36 | public override Image ItemImage {
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37 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Class; }
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38 | }
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39 |
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40 | [Storable]
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41 | protected T[,] matrix;
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42 |
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43 | [Storable]
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44 | private List<string> columnNames;
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45 | public IEnumerable<string> ColumnNames {
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46 | get { return this.columnNames; }
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47 | set {
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48 | if (value == null || value.Count() == 0)
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49 | columnNames = new List<string>();
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50 | else if (value.Count() != Columns)
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51 | throw new ArgumentException("A column name must be specified for each column.");
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52 | else
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53 | columnNames = new List<string>(value);
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54 | }
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55 | }
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56 | [Storable]
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57 | private List<string> rowNames;
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58 | public IEnumerable<string> RowNames {
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59 | get { return this.rowNames; }
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60 | set {
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61 | if (value == null || value.Count() == 0)
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62 | rowNames = new List<string>();
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63 | else if (value.Count() != Rows)
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64 | throw new ArgumentException("A row name must be specified for each row.");
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65 | else
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66 | rowNames = new List<string>(value);
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67 | }
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68 | }
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69 | [Storable]
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70 | private bool sortableView;
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71 | public bool SortableView {
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72 | get { return sortableView; }
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73 | set {
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74 | if (value != sortableView) {
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75 | sortableView = value;
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76 | OnSortableViewChanged();
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77 | }
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78 | }
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79 | }
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80 |
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81 | public virtual int Rows {
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82 | get { return matrix.GetLength(0); }
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83 | protected set {
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84 | if (value != Rows) {
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85 | T[,] newArray = new T[value, Columns];
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86 | Array.Copy(matrix, newArray, Math.Min(value * Columns, matrix.Length));
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87 | matrix = newArray;
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88 | while (rowNames.Count > value)
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89 | rowNames.RemoveAt(rowNames.Count - 1);
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90 | while (rowNames.Count < value)
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91 | rowNames.Add("Row " + rowNames.Count);
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92 | OnReset();
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93 | }
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94 | }
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95 | }
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96 | public virtual int Columns {
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97 | get { return matrix.GetLength(1); }
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98 | protected set {
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99 | if (value != Columns) {
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100 | T[,] newArray = new T[Rows, value];
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101 | for (int i = 0; i < Rows; i++)
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102 | Array.Copy(matrix, i * Columns, newArray, i * value, Math.Min(value, Columns));
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103 | matrix = newArray;
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104 | while (columnNames.Count > value)
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105 | columnNames.RemoveAt(columnNames.Count - 1);
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106 | while (columnNames.Count < value)
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107 | columnNames.Add("Column " + columnNames.Count);
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108 | OnReset();
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109 | }
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110 | }
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111 | }
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112 | public virtual T this[int rowIndex, int columnIndex] {
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113 | get { return matrix[rowIndex, columnIndex]; }
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114 | set {
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115 | if (!value.Equals(matrix[rowIndex, columnIndex])) {
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116 | matrix[rowIndex, columnIndex] = value;
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117 | OnItemChanged(rowIndex, columnIndex);
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118 | }
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119 | }
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120 | }
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121 |
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122 | protected ValueTypeMatrix() {
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123 | matrix = new T[0, 0];
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124 | columnNames = new List<string>();
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125 | rowNames = new List<string>();
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126 | sortableView = false;
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127 | }
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128 | protected ValueTypeMatrix(int rows, int columns) {
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129 | matrix = new T[rows, columns];
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130 | columnNames = new List<string>();
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131 | rowNames = new List<string>();
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132 | sortableView = false;
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133 | }
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134 | protected ValueTypeMatrix(int rows, int columns, IEnumerable<string> columnNames)
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135 | : this(rows, columns) {
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136 | ColumnNames = columnNames;
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137 | }
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138 | protected ValueTypeMatrix(int rows, int columns, IEnumerable<string> columnNames,IEnumerable<string> rowNames)
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139 | : this(rows, columns, columnNames) {
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140 | RowNames = rowNames;
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141 | }
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142 | protected ValueTypeMatrix(T[,] elements) {
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143 | if (elements == null) throw new ArgumentNullException();
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144 | matrix = (T[,])elements.Clone();
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145 | columnNames = new List<string>();
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146 | rowNames = new List<string>();
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147 | sortableView = false;
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148 | }
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149 | protected ValueTypeMatrix(T[,] elements, IEnumerable<string> columnNames)
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150 | : this(elements) {
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151 | ColumnNames = columnNames;
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152 | }
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153 | protected ValueTypeMatrix(T[,] elements, IEnumerable<string> columnNames, IEnumerable<string> rowNames)
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154 | : this(elements,columnNames) {
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155 | RowNames = rowNames;
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156 | }
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157 |
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158 | public override IDeepCloneable Clone(Cloner cloner) {
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159 | ValueTypeMatrix<T> clone = (ValueTypeMatrix<T>)base.Clone(cloner);
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160 | clone.SortableView = SortableView;
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161 | clone.matrix = (T[,])matrix.Clone();
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162 | clone.columnNames = new List<string>(columnNames);
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163 | clone.rowNames = new List<string>(rowNames);
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164 | return clone;
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165 | }
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166 |
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167 | public override string ToString() {
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168 | StringBuilder sb = new StringBuilder();
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169 | sb.Append("[");
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170 | if (matrix.Length > 0) {
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171 | for (int i = 0; i < Rows; i++) {
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172 | sb.Append("[").Append(matrix[i, 0].ToString());
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173 | for (int j = 1; j < Columns; j++)
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174 | sb.Append(";").Append(matrix[i, j].ToString());
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175 | sb.Append("]");
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176 | }
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177 | }
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178 | sb.Append("]");
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179 | return sb.ToString();
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180 | }
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181 |
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182 | public virtual IEnumerator GetEnumerator() {
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183 | return matrix.GetEnumerator();
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184 | }
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185 |
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186 | public event EventHandler ColumnNamesChanged;
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187 | protected virtual void OnColumnNamesChanged() {
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188 | EventHandler handler = ColumnNamesChanged;
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189 | if(handler!=null)
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190 | handler(this,EventArgs.Empty);
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191 | }
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192 | public event EventHandler RowNamesChanged;
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193 | protected virtual void OnRowNamesChanged() {
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194 | EventHandler handler = RowNamesChanged;
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195 | if (handler != null)
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196 | handler(this, EventArgs.Empty);
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197 | }
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198 | public event EventHandler SortableViewChanged;
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199 | protected virtual void OnSortableViewChanged() {
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200 | EventHandler handler = SortableViewChanged;
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201 | if (handler != null)
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202 | handler(this, EventArgs.Empty);
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203 | }
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204 | public event EventHandler<EventArgs<int, int>> ItemChanged;
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205 | protected virtual void OnItemChanged(int rowIndex, int columnIndex) {
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206 | if (ItemChanged != null)
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207 | ItemChanged(this, new EventArgs<int, int>(rowIndex, columnIndex));
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208 | OnToStringChanged();
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209 | }
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210 | public event EventHandler Reset;
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211 | protected virtual void OnReset() {
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212 | if (Reset != null)
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213 | Reset(this, EventArgs.Empty);
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214 | OnToStringChanged();
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215 | }
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216 | }
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217 | }
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