1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.ComponentModel;
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4 | using System.Drawing;
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5 | using System.Data;
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6 | using System.Globalization;
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7 | using System.Linq;
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8 | using System.Text;
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9 | using System.Threading.Tasks;
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10 | using System.Windows.Forms;
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11 | using HeuristicLab.Core.Views;
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12 | using HeuristicLab.MainForm;
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13 | using HeuristicLab.MainForm.WindowsForms;
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14 |
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15 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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16 | [View("Interval Constraint Detail View")]
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17 | [Content(typeof(IntervalConstraint), true)]
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18 | public partial class IntervalConstraintView : ItemView {
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19 |
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20 | public new IntervalConstraint Content {
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21 | get => (IntervalConstraint) base.Content;
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22 | set => base.Content = value;
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23 | }
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24 |
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25 | public IntervalConstraintView() {
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26 | InitializeComponent();
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27 | expressionInput.ReadOnly = true;
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28 | definitionInput.ReadOnly = true;
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29 | derivationInput.Enabled = false;
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30 | derivationInput.Checked = Content?.IsDerivation ?? false;
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31 | if (Content != null && !Content.IsDerivation)
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32 | numberderivationInput.ReadOnly = true;
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33 | }
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34 |
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35 | protected override void OnContentChanged() {
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36 | base.OnContentChanged();
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37 | UpdateControls();
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38 | }
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39 |
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40 |
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41 | protected override void SetEnabledStateOfControls() {
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42 | base.SetEnabledStateOfControls();
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43 | lowerboundInput.Enabled = Content != null && !Locked;
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44 | }
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45 |
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46 |
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47 |
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48 | #region helpers
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49 |
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50 | private double ParseDoubleValue(string input, Control control) {
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51 | input = input.ToLower();
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52 | switch (input) {
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53 | case "inf.":
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54 | case "+inf.":
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55 | case "Infinity":
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56 | return double.PositiveInfinity;
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57 | case "-inf.":
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58 | case "-Infinity":
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59 | return double.NegativeInfinity;
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60 | default: {
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61 | if (double.TryParse(input, NumberStyles.Any, CultureInfo.InvariantCulture, out var value))
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62 | return value;
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63 | else {
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64 | errorProvider.SetError(control, "Invalid Input: Value must be a double!");
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65 | return double.NaN;
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66 | }
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67 | }
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68 | }
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69 | }
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70 |
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71 | private void UpdateControls() {
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72 | if (Content == null) {
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73 | expressionInput.Text = string.Empty;
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74 | lowerboundInput.Text = string.Empty;
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75 | upperboundInput.Text = string.Empty;
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76 | incllowerboundInput.Checked = true;
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77 | inclupperboundInput.Checked = true;
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78 | } else {
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79 | expressionInput.Text = Content.Expression;
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80 | definitionInput.Text = Content.Definition;
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81 | lowerboundInput.Text = Content.Interval.LowerBound.ToString(CultureInfo.InvariantCulture);
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82 | upperboundInput.Text = Content.Interval.UpperBound.ToString(CultureInfo.InvariantCulture);
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83 | incllowerboundInput.Checked = Content.InclusiveLowerBound;
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84 | inclupperboundInput.Checked = Content.InclusiveUpperBound;
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85 | derivationInput.Checked = Content.IsDerivation;
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86 | variableInput.Text = Content.Variable;
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87 | numberderivationInput.Text = Content.NumberOfDerivation.ToString();
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88 | }
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89 | SetEnabledStateOfControls();
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90 | }
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91 |
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92 | private void UpdateExpression() {
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93 | var expression = "";
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94 |
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95 | if (!Content.IsDerivation) {
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96 | expression = string.Format("{0} in {1}{2} .. {3}{4}",
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97 | Content.Variable,
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98 | (Content.InclusiveLowerBound) ? "[" : "]",
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99 | Content.Interval.LowerBound,
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100 | Content.Interval.UpperBound,
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101 | (Content.InclusiveUpperBound) ? "]" : "[");
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102 | } else {
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103 | expression = string.Format("\u2202Target/\u2202{0} in {1}{2} .. {3}{4}",
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104 | Content.Variable,
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105 | (Content.InclusiveLowerBound) ? "[" : "]",
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106 | Content.Interval.LowerBound,
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107 | Content.Interval.UpperBound,
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108 | (Content.InclusiveUpperBound) ? "]" : "[");
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109 | }
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110 |
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111 | Content.Expression = expression;
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112 | Content.Name = expression;
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113 | UpdateControls();
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114 | }
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115 |
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116 | #endregion
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117 |
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118 | #region content event handlers
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119 |
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120 | private void numberderivationInput_Validating(object sender, CancelEventArgs e) {
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121 | if (int.TryParse(numberderivationInput.Text, out var derivation)) {
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122 | if (derivation >= 0) {
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123 | errorProvider.SetError(numberderivationInput, string.Empty);
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124 | e.Cancel = false;
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125 | } else {
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126 | errorProvider.SetError(numberderivationInput, "Invalid Input: Derivation must be positive!");
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127 | e.Cancel = true;
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128 | }
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129 | } else {
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130 | errorProvider.SetError(numberderivationInput, "Invalid Input: Derivation must be an integer!");
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131 | e.Cancel = true;
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132 | }
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133 | }
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134 |
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135 | private void numberderivationInput_Validated(object sender, EventArgs e) {
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136 | if (int.TryParse(numberderivationInput.Text, out var derivation)) {
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137 | Content.NumberOfDerivation = derivation;
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138 | UpdateExpression();
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139 | }
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140 | }
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141 |
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142 | private void lowerboundInput_Validating(object sender, CancelEventArgs e) {
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143 | var value = ParseDoubleValue(lowerboundInput.Text, lowerboundInput);
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144 | if (!double.IsNaN(value)) {
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145 | if (value <= Content.Interval.UpperBound) {
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146 | errorProvider.SetError(lowerboundInput, string.Empty);
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147 | e.Cancel = false;
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148 | } else {
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149 | errorProvider.SetError(lowerboundInput, "Invalid Input: Lowerbound must be smaller than Upperbound!");
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150 | e.Cancel = true;
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151 | }
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152 | } else {
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153 | e.Cancel = true;
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154 | }
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155 | }
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156 |
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157 | private void lowerboundInput_Validated(object sender, EventArgs e) {
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158 | var value = ParseDoubleValue(lowerboundInput.Text, lowerboundInput);
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159 | if (!double.IsNaN(value)) {
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160 | Content.Interval = new Interval(value, Content.Interval.UpperBound);
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161 | UpdateExpression();
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162 | }
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163 | }
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164 |
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165 | private void upperboundInput_Validating(object sender, CancelEventArgs e) {
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166 | var value = ParseDoubleValue(upperboundInput.Text, upperboundInput);
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167 | if (!double.IsNaN(value)) {
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168 | if (value >= Content.Interval.LowerBound) {
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169 | errorProvider.SetError(upperboundInput, string.Empty);
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170 | e.Cancel = false;
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171 | } else {
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172 | errorProvider.SetError(lowerboundInput, "Invalid Input: Upperbound must be bigger than Lowerbound!");
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173 | e.Cancel = true;
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174 | }
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175 | } else {
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176 | e.Cancel = true;
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177 | }
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178 | }
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179 |
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180 | private void upperboundInput_Validated(object sender, EventArgs e) {
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181 | var value = ParseDoubleValue(upperboundInput.Text, upperboundInput);
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182 | if (!double.IsNaN(value)) {
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183 | Content.Interval = new Interval(Content.Interval.LowerBound, value);
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184 | UpdateExpression();
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185 | }
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186 | }
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187 |
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188 | private void incllowerboundInput_CheckedChanged(object sender, EventArgs e) {
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189 | if (Content.InclusiveLowerBound != incllowerboundInput.Checked) {
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190 | Content.InclusiveLowerBound = incllowerboundInput.Checked;
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191 | UpdateExpression();
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192 | }
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193 |
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194 |
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195 | }
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196 |
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197 | private void inclupperboundInput_CheckedChanged(object sender, EventArgs e) {
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198 | if (Content.InclusiveUpperBound != incllowerboundInput.Checked) {
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199 | Content.InclusiveUpperBound = incllowerboundInput.Checked;
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200 | UpdateExpression();
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201 | }
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202 | }
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203 | #endregion
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204 |
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205 |
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206 | }
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207 | }
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