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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QComboTableItem Class Reference<br><small>[<a href="table.html">table module</a>]</small></h1>
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| 33 |
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| 34 | <p>The QComboTableItem class provides a means of using
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| 35 | comboboxes in QTables.
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| 36 | <a href="#details">More...</a>
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| 37 | <p><tt>#include <<a href="qtable-h.html">qtable.h</a>></tt>
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| 38 | <p>Inherits <a href="qtableitem.html">QTableItem</a>.
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| 39 | <p><a href="qcombotableitem-members.html">List of all member functions.</a>
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| 40 | <h2>Public Members</h2>
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| 41 | <ul>
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| 42 | <li class=fn><a href="#QComboTableItem"><b>QComboTableItem</b></a> ( QTable * table, const QStringList & list, bool editable = FALSE )</li>
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| 43 | <li class=fn><a href="#~QComboTableItem"><b>~QComboTableItem</b></a> ()</li>
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| 44 | <li class=fn>virtual void <a href="#setCurrentItem"><b>setCurrentItem</b></a> ( int i )</li>
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| 45 | <li class=fn>virtual void <a href="#setCurrentItem-2"><b>setCurrentItem</b></a> ( const QString & s )</li>
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| 46 | <li class=fn>int <a href="#currentItem"><b>currentItem</b></a> () const</li>
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| 47 | <li class=fn>QString <a href="#currentText"><b>currentText</b></a> () const</li>
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| 48 | <li class=fn>int <a href="#count"><b>count</b></a> () const</li>
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| 49 | <li class=fn>QString <a href="#text"><b>text</b></a> ( int i ) const</li>
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| 50 | <li class=fn>virtual void <a href="#setEditable"><b>setEditable</b></a> ( bool b )</li>
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| 51 | <li class=fn>bool <a href="#isEditable"><b>isEditable</b></a> () const</li>
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| 52 | <li class=fn>virtual void <a href="#setStringList"><b>setStringList</b></a> ( const QStringList & l )</li>
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| 53 | <li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</li>
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| 54 | </ul>
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| 55 | <hr><a name="details"></a><h2>Detailed Description</h2>
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| 56 |
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| 57 |
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| 58 | The QComboTableItem class provides a means of using
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| 59 | comboboxes in QTables.
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| 60 |
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| 61 | <p>
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| 62 |
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| 63 | <p> A QComboTableItem is a table item which looks and behaves like a
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| 64 | combobox. The advantage of using QComboTableItems rather than real
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| 65 | comboboxes is that a QComboTableItem uses far less resources than
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| 66 | real comboboxes in <a href="qtable.html">QTable</a>s. When the cell has the focus it
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| 67 | displays a real combobox which the user can interact with. When
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| 68 | the cell does not have the focus the cell <em>looks</em> like a
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| 69 | combobox. Only text items (i.e. no pixmaps) may be used in
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| 70 | QComboTableItems.
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| 71 | <p> QComboTableItem items have the edit type <a href="qtableitem.html#EditType-enum">WhenCurrent</a> (see
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| 72 | <a href="qtableitem.html#EditType-enum">EditType</a>). The QComboTableItem's list of items is provided by
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| 73 | a <a href="qstringlist.html">QStringList</a> passed to the constructor.
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| 74 | <p> The list of items may be changed using <a href="#setStringList">setStringList</a>(). The
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| 75 | current item can be set with <a href="#setCurrentItem">setCurrentItem</a>() and retrieved with
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| 76 | <a href="#currentItem">currentItem</a>(). The text of the current item can be obtained with
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| 77 | <a href="#currentText">currentText</a>(), and the text of a particular item can be retrieved
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| 78 | with <a href="#text">text</a>().
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| 79 | <p> If <a href="#isEditable">isEditable</a>() is TRUE the QComboTableItem will permit the user
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| 80 | to either choose an existing list item, or create a new list item
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| 81 | by entering their own text; otherwise the user may only choose one
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| 82 | of the existing list items.
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| 83 | <p> To populate a table cell with a QComboTableItem use
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| 84 | <a href="qtable.html#setItem">QTable::setItem</a>().
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| 85 | <p> QComboTableItems may be deleted with <a href="qtable.html#clearCell">QTable::clearCell</a>().
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| 86 | <p> QComboTableItems can be distinguished from <a href="qtableitem.html">QTableItem</a>s and
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| 87 | <a href="qchecktableitem.html">QCheckTableItem</a>s using their Run Time Type Identification
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| 88 | number (see <a href="#rtti">rtti</a>()).
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| 89 | <p> <center><img src="qtableitems.png" alt="Table Items"></center>
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| 90 | <p> <p>See also <a href="qchecktableitem.html">QCheckTableItem</a>, <a href="qtableitem.html">QTableItem</a>, <a href="qcombobox.html">QComboBox</a>, and <a href="advanced.html">Advanced Widgets</a>.
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| 91 |
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| 92 | <hr><h2>Member Function Documentation</h2>
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| 93 | <h3 class=fn><a name="QComboTableItem"></a>QComboTableItem::QComboTableItem ( <a href="qtable.html">QTable</a> * table, const <a href="qstringlist.html">QStringList</a> & list, bool editable = FALSE )
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| 94 | </h3>
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| 95 | Creates a combo table item for the table <em>table</em>. The combobox's
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| 96 | list of items is passed in the <em>list</em> argument. If <em>editable</em> is
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| 97 | TRUE the user may type in new list items; if <em>editable</em> is FALSE
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| 98 | the user may only select from the list of items provided.
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| 99 | <p> By default QComboTableItems cannot be replaced by other table
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| 100 | items since <a href="qtableitem.html#isReplaceable">isReplaceable</a>() returns FALSE by default.
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| 101 | <p> <p>See also <a href="qtable.html#clearCell">QTable::clearCell</a>() and <a href="qtableitem.html#EditType-enum">EditType</a>.
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| 102 |
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| 103 | <h3 class=fn><a name="~QComboTableItem"></a>QComboTableItem::~QComboTableItem ()
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| 104 | </h3>
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| 105 | QComboTableItem destructor.
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| 106 |
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| 107 | <h3 class=fn>int <a name="count"></a>QComboTableItem::count () const
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| 108 | </h3>
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| 109 | Returns the total number of list items in the combo table item.
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| 110 |
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| 111 | <h3 class=fn>int <a name="currentItem"></a>QComboTableItem::currentItem () const
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| 112 | </h3>
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| 113 | Returns the index of the combo table item's current list item.
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| 114 | <p> <p>See also <a href="#setCurrentItem">setCurrentItem</a>().
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| 115 |
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| 116 | <h3 class=fn><a href="qstring.html">QString</a> <a name="currentText"></a>QComboTableItem::currentText () const
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| 117 | </h3>
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| 118 | Returns the text of the combo table item's current list item.
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| 119 | <p> <p>See also <a href="#currentItem">currentItem</a>() and <a href="#text">text</a>().
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| 120 |
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| 121 | <h3 class=fn>bool <a name="isEditable"></a>QComboTableItem::isEditable () const
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| 122 | </h3>
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| 123 | Returns TRUE if the user can add their own list items to the
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| 124 | combobox's list of items; otherwise returns FALSE.
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| 125 | <p> <p>See also <a href="#setEditable">setEditable</a>().
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| 126 |
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| 127 | <h3 class=fn>int <a name="rtti"></a>QComboTableItem::rtti () const<tt> [virtual]</tt>
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| 128 | </h3>
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| 129 |
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| 130 | <p> Returns 1.
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| 131 | <p> Make your derived classes return their own values for <a href="#rtti">rtti</a>()to
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| 132 | distinguish between different table item subclasses. You should
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| 133 | use values greater than 1000, preferably a large random number, to
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| 134 | allow for extensions to this class.
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| 135 | <p> <p>See also <a href="qtableitem.html#rtti">QTableItem::rtti</a>().
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| 136 |
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| 137 | <p>Reimplemented from <a href="qtableitem.html#rtti">QTableItem</a>.
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| 138 | <h3 class=fn>void <a name="setCurrentItem"></a>QComboTableItem::setCurrentItem ( int i )<tt> [virtual]</tt>
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| 139 | </h3>
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| 140 | Sets the list item <em>i</em> to be the combo table item's current list
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| 141 | item.
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| 142 | <p> <p>See also <a href="#currentItem">currentItem</a>().
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| 143 |
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| 144 | <p>Example: <a href="small-table-example-example.html#x2797">table/small-table-demo/main.cpp</a>.
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| 145 | <h3 class=fn>void <a name="setCurrentItem-2"></a>QComboTableItem::setCurrentItem ( const <a href="qstring.html">QString</a> & s )<tt> [virtual]</tt>
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| 146 | </h3>
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| 147 | This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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| 148 | <p> Sets the list item whose text is <em>s</em> to be the combo table item's
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| 149 | current list item. Does nothing if no list item has the text <em>s</em>.
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| 150 | <p> <p>See also <a href="#currentItem">currentItem</a>().
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| 151 |
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| 152 | <h3 class=fn>void <a name="setEditable"></a>QComboTableItem::setEditable ( bool b )<tt> [virtual]</tt>
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| 153 | </h3>
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| 154 | If <em>b</em> is TRUE the combo table item can be edited, i.e. the user
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| 155 | may enter a new text item themselves. If <em>b</em> is FALSE the user may
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| 156 | may only choose one of the existing items.
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| 157 | <p> <p>See also <a href="#isEditable">isEditable</a>().
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| 158 |
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| 159 | <h3 class=fn>void <a name="setStringList"></a>QComboTableItem::setStringList ( const <a href="qstringlist.html">QStringList</a> & l )<tt> [virtual]</tt>
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| 160 | </h3>
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| 161 | Sets the list items of this QComboTableItem to the strings in the
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| 162 | string list <em>l</em>.
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| 163 |
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| 164 | <h3 class=fn><a href="qstring.html">QString</a> <a name="text"></a>QComboTableItem::text ( int i ) const
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| 165 | </h3>
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| 166 | Returns the text of the combo's list item at index <em>i</em>.
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| 167 | <p> <p>See also <a href="#currentText">currentText</a>().
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| 168 |
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| 169 | <!-- eof -->
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| 170 | <hr><p>
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| 171 | This file is part of the <a href="index.html">Qt toolkit</a>.
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| 172 | Copyright © 1995-2007
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| 173 | <a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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| 174 | <table width=100% cellspacing=0 border=0><tr>
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| 175 | <td>Copyright © 2007
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| 176 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 177 | <td align=right><div align=right>Qt 3.3.8</div>
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| 178 | </table></div></address></body>
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| 179 | </html>
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