1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 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.Generic;
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24 | using System.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Data;
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27 | using System.Text;
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28 | using System.Windows.Forms;
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29 | using HeuristicLab.Core;
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30 | using HeuristicLab.Common;
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31 | using HeuristicLab.MainForm;
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32 |
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33 | namespace HeuristicLab.Core.Views {
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34 | /// <summary>
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35 | /// Base class for editors of engines.
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36 | /// </summary>
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37 | [Content(typeof(EngineBase), true)]
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38 | public partial class EngineBaseView : ItemViewBase {
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39 | private int executionTimeCounter;
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40 |
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41 | /// <summary>
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42 | /// Gets or sets the current engine.
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43 | /// </summary>
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44 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="EditorBase"/>.</remarks>
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45 | public EngineBase Engine {
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46 | get { return (EngineBase)Item; }
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47 | set { base.Item = value; }
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48 | }
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49 |
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50 | /// <summary>
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51 | /// Initializes a new instance of <see cref="EngineBaseEditor"/>.
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52 | /// </summary>
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53 | public EngineBaseView() {
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54 | InitializeComponent();
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55 | }
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56 | public EngineBaseView(EngineBase engine)
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57 | : this() {
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58 | Engine = engine;
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59 | }
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60 |
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61 | /// <summary>
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62 | /// Removes the event handlers from the underlying <see cref="IEngine"/>.
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63 | /// </summary>
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64 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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65 | protected override void DeregisterObjectEvents() {
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66 | Engine.OperatorGraphChanged -= new EventHandler(Engine_OperatorGraphChanged);
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67 | Engine.Initialized -= new EventHandler(Engine_Initialized);
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68 | Engine.Started -= new EventHandler(Engine_Started);
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69 | Engine.Stopped -= new EventHandler(Engine_Stopped);
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70 | Engine.ExecutionTimeChanged -= new EventHandler(Engine_ExecutionTimeChanged);
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71 | Engine.ExceptionOccurred -= new EventHandler<EventArgs<Exception>>(Engine_ExceptionOccurred);
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72 | base.DeregisterObjectEvents();
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73 | }
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74 |
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75 | /// <summary>
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76 | /// Adds event handlers to the underlying <see cref="IEngine"/>.
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77 | /// </summary>
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78 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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79 | protected override void RegisterObjectEvents() {
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80 | base.RegisterObjectEvents();
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81 | Engine.OperatorGraphChanged += new EventHandler(Engine_OperatorGraphChanged);
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82 | Engine.Initialized += new EventHandler(Engine_Initialized);
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83 | Engine.Started += new EventHandler(Engine_Started);
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84 | Engine.Stopped += new EventHandler(Engine_Stopped);
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85 | Engine.ExecutionTimeChanged += new EventHandler(Engine_ExecutionTimeChanged);
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86 | Engine.ExceptionOccurred += new EventHandler<EventArgs<Exception>>(Engine_ExceptionOccurred);
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87 | }
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88 |
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89 | /// <summary>
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90 | /// Updates all controls with the latest data of the model.
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91 | /// </summary>
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92 | /// <remarks>Calls <see cref="EditorBase.UpdateControls"/> of base class <see cref="EditorBase"/>.</remarks>
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93 | protected override void OnObjectChanged() {
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94 | base.OnObjectChanged();
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95 | stopButton.Enabled = false;
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96 | if (Engine == null) {
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97 | operatorGraphView.Enabled = false;
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98 | scopeView.Enabled = false;
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99 | startButton.Enabled = false;
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100 | resetButton.Enabled = false;
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101 | executionTimeTextBox.Enabled = false;
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102 | } else {
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103 | operatorGraphView.OperatorGraph = Engine.OperatorGraph;
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104 | scopeView.Scope = Engine.GlobalScope;
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105 | startButton.Enabled = !Engine.Finished;
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106 | resetButton.Enabled = true;
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107 | executionTimeTextBox.Text = Engine.ExecutionTime.ToString();
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108 | executionTimeTextBox.Enabled = true;
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109 | }
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110 | }
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111 |
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112 | #region Engine Events
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113 | private void Engine_OperatorGraphChanged(object sender, EventArgs e) {
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114 | if (InvokeRequired)
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115 | Invoke(new EventHandler(Engine_OperatorGraphChanged), sender, e);
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116 | else
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117 | operatorGraphView.OperatorGraph = Engine.OperatorGraph;
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118 | }
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119 | private void Engine_Initialized(object sender, EventArgs e) {
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120 | if (InvokeRequired)
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121 | Invoke(new EventHandler(Engine_Initialized), sender, e);
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122 | else {
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123 | operatorGraphView.Enabled = true;
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124 | scopeView.Enabled = true;
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125 | startButton.Enabled = !Engine.Finished;
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126 | stopButton.Enabled = false;
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127 | resetButton.Enabled = true;
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128 | executionTimeTextBox.Text = Engine.ExecutionTime.ToString();
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129 | }
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130 | }
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131 | private void Engine_Started(object sender, EventArgs e) {
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132 | executionTimeCounter = 0;
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133 | if (InvokeRequired)
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134 | Invoke(new EventHandler(Engine_Started), sender, e);
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135 | else {
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136 | operatorGraphView.Enabled = false;
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137 | scopeView.Enabled = false;
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138 | startButton.Enabled = false;
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139 | stopButton.Enabled = true;
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140 | resetButton.Enabled = false;
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141 | executionTimeTextBox.Text = Engine.ExecutionTime.ToString();
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142 | }
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143 | }
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144 | private void Engine_Stopped(object sender, EventArgs e) {
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145 | if (InvokeRequired)
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146 | Invoke(new EventHandler(Engine_Stopped), sender, e);
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147 | else {
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148 | operatorGraphView.Enabled = true;
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149 | scopeView.Enabled = true;
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150 | startButton.Enabled = !Engine.Finished;
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151 | stopButton.Enabled = false;
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152 | resetButton.Enabled = true;
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153 | executionTimeTextBox.Text = Engine.ExecutionTime.ToString();
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154 | }
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155 | }
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156 | private void Engine_ExecutionTimeChanged(object sender, EventArgs e) {
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157 | executionTimeCounter++;
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158 | if ((executionTimeCounter == 1000) || !Engine.Running) {
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159 | executionTimeCounter = 0;
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160 | if (InvokeRequired)
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161 | Invoke(new EventHandler(Engine_ExecutionTimeChanged), sender, e);
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162 | else
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163 | executionTimeTextBox.Text = Engine.ExecutionTime.ToString();
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164 | }
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165 | }
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166 | private void Engine_ExceptionOccurred(object sender, EventArgs<Exception> e) {
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167 | if (InvokeRequired)
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168 | Invoke(new EventHandler<EventArgs<Exception>>(Engine_ExceptionOccurred), sender, e);
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169 | else
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170 | Auxiliary.ShowErrorMessageBox(e.Value);
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171 | }
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172 | #endregion
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173 |
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174 | #region Button events
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175 | private void startButton_Click(object sender, EventArgs e) {
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176 | Engine.Start();
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177 | }
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178 | private void stopButton_Click(object sender, EventArgs e) {
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179 | Engine.Stop();
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180 | }
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181 | private void resetButton_Click(object sender, EventArgs e) {
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182 | Engine.Initialize();
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183 | }
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184 | #endregion
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185 | }
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186 | }
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