1 | using System.IO;
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2 | using System.Reflection;
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3 | using System.Windows.Forms;
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4 | namespace Netron.Diagramming.Core {
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5 | /// <summary>
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6 | /// Pallet of cursors
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7 | /// <remarks>
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8 | /// You can define your own cursors or change the existing ones by dropping a cursor file in the Resources directory
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9 | /// and set the compile flag to 'embedded resource'.
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10 | /// </remarks>
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11 | /// </summary>
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12 | public static class CursorPalette {
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13 | #region Fields
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14 | /// <summary>
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15 | /// The root namespace.
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16 | /// </summary>
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17 | private const string NameSpace = "Netron.Diagramming.Core";
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18 |
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19 |
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20 | static Cursor myDrawRectangle = GetCursor("DrawRectangle.cur");
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21 | static Cursor myDrawEllipse = GetCursor("DrawEllipse.cur");
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22 | static Cursor myPan = GetCursor("Pan.cur");
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23 |
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24 | /// <summary>
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25 | /// the grip cursor
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26 | /// </summary>
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27 | private static Cursor mGrip = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Grip.cur"));
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28 | /// <summary>
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29 | /// the add cursor
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30 | /// </summary>
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31 | private static Cursor mAdd = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Add.cur"));
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32 | /// <summary>
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33 | /// the cross cursor
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34 | /// </summary>
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35 | private static Cursor mCross = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Cross.cur"));
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36 | /// <summary>
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37 | /// the move cursor
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38 | /// </summary>
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39 | private static Cursor mMove = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Move.cur"));
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40 | /// <summary>
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41 | /// the selection cursor
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42 | /// </summary>
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43 | private static Cursor mSelection = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Selection.cur"));
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44 | /// <summary>
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45 | /// the select cursor
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46 | /// </summary>
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47 | private static Cursor mSelect = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.Select.cur"));
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48 | /// <summary>
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49 | /// the drop text cursor
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50 | /// </summary>
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51 | private static Cursor mDropText = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.DropText.cur"));
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52 | /// <summary>
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53 | /// the drop shape cursor
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54 | /// </summary>
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55 | private static Cursor mDropShape = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.DropShape.cur"));
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56 | /// <summary>
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57 | /// the drop image cursor
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58 | /// </summary>
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59 | private static Cursor mDropImage = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(NameSpace + ".Resources.DropImage.cur"));
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60 |
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61 |
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62 | #endregion
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63 |
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64 | #region Properties
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65 |
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66 | // ------------------------------------------------------------------
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67 | /// <summary>
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68 | /// Gets the cursor used when drawing a rectangle.
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69 | /// </summary>
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70 | // ------------------------------------------------------------------
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71 | public static Cursor DrawRectangle {
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72 | get {
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73 | return myDrawRectangle;
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74 | }
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75 | }
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76 |
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77 | // ------------------------------------------------------------------
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78 | /// <summary>
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79 | /// Gets the cursor used when drawing an ellipse.
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80 | /// </summary>
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81 | // ------------------------------------------------------------------
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82 | public static Cursor DrawEllipse {
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83 | get {
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84 | return myDrawEllipse;
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85 | }
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86 | }
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87 |
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88 | /// <summary>
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89 | /// Gets the drop-image cursor to reflect the creation of a new image-shape by dragdrop onto the canvas.
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90 | /// </summary>
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91 | /// <value>The drop-image cursor.</value>
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92 | public static Cursor DropImage {
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93 | get {
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94 | return mDropImage;
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95 | }
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96 | }
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97 | /// <summary>
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98 | /// Gets the drop-text cursor to reflect the creation of a new text-shape by dragdrop onto the canvas.
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99 | /// </summary>
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100 | /// <value>The drop-text cursor.</value>
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101 | public static Cursor DropText {
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102 | get {
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103 | return mDropText;
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104 | }
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105 | }
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106 | /// <summary>
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107 | /// Gets the drop-shape cursor to reflect the creation of a new shape by dragdrop onto the canvas.
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108 | /// </summary>
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109 | /// <value>The drop-shape cursor.</value>
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110 | public static Cursor DropShape {
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111 | get {
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112 | return mDropShape;
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113 | }
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114 | }
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115 | /// <summary>
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116 | /// Gets the grip cursor to reflect the creation of a (new) connection .
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117 | /// </summary>
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118 | /// <value>The grip.</value>
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119 | public static Cursor Grip {
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120 | get {
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121 | return mGrip;
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122 | }
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123 | }
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124 | /// <summary>
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125 | /// Gets the add to reflect the creation of a (new) drawing shape.
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126 | /// </summary>
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127 | /// <value>The add.</value>
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128 | public static Cursor Add {
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129 | get {
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130 | return mAdd;
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131 | }
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132 | }
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133 |
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134 | /// <summary>
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135 | /// Gets the cross cursor.
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136 | /// </summary>
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137 | /// <value>The cross.</value>
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138 | public static Cursor Cross {
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139 | get {
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140 | return mCross;
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141 | }
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142 | }
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143 |
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144 | /// <summary>
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145 | /// Gets the move cursor to reflect the motion of a selection over the canvas.
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146 | /// </summary>
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147 | /// <value>The move.</value>
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148 | public static Cursor Move {
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149 | get {
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150 | return mMove;
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151 | }
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152 | }
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153 |
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154 | /// <summary>
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155 | /// Gets the pan cursor to reflect the action of panning canvas.
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156 | /// </summary>
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157 | /// <value>The move.</value>
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158 | public static Cursor Pan {
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159 | get {
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160 | return myPan;
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161 | }
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162 | }
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163 |
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164 | /// <summary>
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165 | /// Gets the selection cursor to reflect the process of selection shapes by dragging over the canvas.
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166 | /// </summary>
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167 | /// <value>The selection.</value>
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168 | public static Cursor Selection {
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169 | get {
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170 | return mSelection;
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171 | }
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172 | }
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173 |
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174 | /// <summary>
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175 | /// Gets the select cursor to reflect to motion and selection of a single connector (<see cref="ConnectorMoverTool"/>).
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176 | /// </summary>
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177 | /// <value>The select.</value>
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178 | public static Cursor Select {
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179 | get {
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180 | return mSelect;
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181 | }
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182 | }
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183 | #endregion
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184 |
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185 | #region Methods
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186 |
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187 | // ------------------------------------------------------------------
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188 | /// <summary>
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189 | /// Gets the image from the embedded resources for the specified
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190 | /// filename.
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191 | /// </summary>
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192 | /// <param name="filename">string: The filename from the embedded
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193 | /// resources.</param>
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194 | /// <returns>Image</returns>
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195 | // ------------------------------------------------------------------
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196 | static Cursor GetCursor(string filename) {
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197 | return new Cursor(GetStream(filename));
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198 | }
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199 |
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200 | // ------------------------------------------------------------------
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201 | /// <summary>
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202 | /// Returns a Stream from the manifest resources for the specified
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203 | /// filename.
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204 | /// </summary>
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205 | /// <param name="filename">string</param>
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206 | /// <returns>Stream</returns>
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207 | // ------------------------------------------------------------------
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208 | public static Stream GetStream(string filename) {
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209 | return Assembly.GetExecutingAssembly().GetManifestResourceStream(
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210 | NameSpace +
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211 | ".Resources." +
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212 | filename);
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213 | }
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214 |
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215 |
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216 | #endregion
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217 |
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218 | }
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219 | }
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