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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WTable.html">WTable</a>
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<h1>Wt::WTable Class Reference</h1><!-- doxytag: class="Wt::WTable" --><!-- doxytag: inherits="Wt::WInteractWidget" -->A container widget which provides layout of children in a table grid.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WTable></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WTable:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WTable__inherit__graph.png" border="0" usemap="#Wt_1_1WTable__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WTable__inherit__map">
<area shape="rect" href="classWt_1_1WInteractWidget.html" title="An abstract widget that can receive user-interface interaction." alt="" coords="5,229,147,256"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="15,155,137,181"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="28,80,124,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="28,5,124,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WTable-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a5c23e5c08d11315063e7714c85a8364"></a><!-- doxytag: member="Wt::WTable::WTable" ref="a5c23e5c08d11315063e7714c85a8364" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#a5c23e5c08d11315063e7714c85a8364">WTable</a> (<a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates an empty table. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="342361febd4e025a71d4ccf3990b9c7c"></a><!-- doxytag: member="Wt::WTable::~WTable" ref="342361febd4e025a71d4ccf3990b9c7c" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#342361febd4e025a71d4ccf3990b9c7c">~WTable</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deletes the table and its entire contents. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WTableCell.html">WTableCell</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4">elementAt</a> (int row, int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Accesses the table element at the given row and column. <a href="#c4b59af9a44e185edb14e7f1f439d6c4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WTableRow.html">WTableRow</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#ff46a40881a7d0967d7435d8d479bedb">rowAt</a> (int row)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the row object for the given row. <a href="#ff46a40881a7d0967d7435d8d479bedb"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WTableColumn.html">WTableColumn</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#37dc3995a309d32a0e4bf857596df00e">columnAt</a> (int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the column object for the given column. <a href="#37dc3995a309d32a0e4bf857596df00e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#5c45c882a0b3af6d0c0ed13b6217c078">removeCell</a> (<a class="el" href="classWt_1_1WTableCell.html">WTableCell</a> *item)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deletes a table cell and its contents. <a href="#5c45c882a0b3af6d0c0ed13b6217c078"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#46b216d395d19f3f9a71d1f168ca4f16">removeCell</a> (int row, int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deletes the table cell at the given position. <a href="#46b216d395d19f3f9a71d1f168ca4f16"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="53a8121130504141346ec8f355f6d691"></a><!-- doxytag: member="Wt::WTable::insertRow" ref="53a8121130504141346ec8f355f6d691" args="(int row)" -->
<a class="el" href="classWt_1_1WTableRow.html">WTableRow</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#53a8121130504141346ec8f355f6d691">insertRow</a> (int row)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts an empty row. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#1e0910054f11ebdc8ae3a5cd7b03975c">deleteRow</a> (int row)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deletes a row and all its contents. <a href="#1e0910054f11ebdc8ae3a5cd7b03975c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cfc99f211e1bbf2ad5c5898347a412a4"></a><!-- doxytag: member="Wt::WTable::insertColumn" ref="cfc99f211e1bbf2ad5c5898347a412a4" args="(int column)" -->
<a class="el" href="classWt_1_1WTableColumn.html">WTableColumn</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#cfc99f211e1bbf2ad5c5898347a412a4">insertColumn</a> (int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts an empty column. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5cb1b9e4cc08ff62f203eab0894e0756"></a><!-- doxytag: member="Wt::WTable::deleteColumn" ref="5cb1b9e4cc08ff62f203eab0894e0756" args="(int column)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#5cb1b9e4cc08ff62f203eab0894e0756">deleteColumn</a> (int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete a column and all its contents. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#431d6a3da63ab9696e084ad7c2438afb">clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clears the entire table. <a href="#431d6a3da63ab9696e084ad7c2438afb"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="79d5dfe40ee5e67c5007ee370e8cd2f3"></a><!-- doxytag: member="Wt::WTable::rowCount" ref="79d5dfe40ee5e67c5007ee370e8cd2f3" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#79d5dfe40ee5e67c5007ee370e8cd2f3">rowCount</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of rows in the table. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4d062330d1c9b3f202985b92dcb59d4f"></a><!-- doxytag: member="Wt::WTable::columnCount" ref="4d062330d1c9b3f202985b92dcb59d4f" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#4d062330d1c9b3f202985b92dcb59d4f">columnCount</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of columns in the table. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#e5e4e17ae51492b26e1930332d2f5bae">setHeaderCount</a> (int count, <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation=Horizontal)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the number of header rows or columns. <a href="#e5e4e17ae51492b26e1930332d2f5bae"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WTable.html#b742cd4fbda9d0692aad3165c34e0e84">headerCount</a> (<a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation=Horizontal)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of header rows or columns. <a href="#b742cd4fbda9d0692aad3165c34e0e84"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A container widget which provides layout of children in a table grid.
<p>
A WTable arranges its children in a table.<p>
To insert or access contents, use <a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt(int row, int column)</a> to access the <a class="el" href="classWt_1_1WTableCell.html">cell</a> at a particular location in the table. The WTable expands automatically to create the indexed (row, column) as necessary.<p>
It is possible to insert and delete entire rows or columns from the table using the <a class="el" href="classWt_1_1WTable.html#cfc99f211e1bbf2ad5c5898347a412a4" title="Inserts an empty column.">insertColumn(int column)</a>, <a class="el" href="classWt_1_1WTable.html#53a8121130504141346ec8f355f6d691" title="Inserts an empty row.">insertRow(int row)</a>, <a class="el" href="classWt_1_1WTable.html#5cb1b9e4cc08ff62f203eab0894e0756" title="Delete a column and all its contents.">deleteColumn(int column)</a>, or <a class="el" href="classWt_1_1WTable.html#1e0910054f11ebdc8ae3a5cd7b03975c" title="Deletes a row and all its contents.">deleteRow(int row)</a> methods.<p>
You may indicate a number of rows and columns that act as headers using <a class="el" href="classWt_1_1WTable.html#e5e4e17ae51492b26e1930332d2f5bae" title="Sets the number of header rows or columns.">setHeaderCount()</a>. Header cells are rendered as <code><th></code> instead of <code><td></code> elements. By default, no rows or columns are configured as headers.<p>
WTable is displayed as a <a class="el" href="classWt_1_1WWidget.html#c78e3af143883334c82031790c87416e">block</a>.<p>
Usage example: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WTable.html" title="A container widget which provides layout of children in a table grid.">Wt::WTable</a> *table = <span class="keyword">new</span> <a class="code" href="classWt_1_1WTable.html" title="A container widget which provides layout of children in a table grid.">Wt::WTable</a>(<span class="keyword">this</span>);
table-><a class="code" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt</a>(0, 0)->addWidget(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"Item @ row 0, column 0"</span>));
table-><a class="code" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt</a>(0, 1)->addWidget(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"Item @ row 0, column 1"</span>));
table-><a class="code" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt</a>(1, 0)->addWidget(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"Item @ row 1, column 0"</span>));
table-><a class="code" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt</a>(1, 1)->addWidget(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"Item @ row 1, column 1"</span>));
<a class="code" href="classWt_1_1WTableCell.html" title="A container widget that represents a cell in a table.">Wt::WTableCell</a> *cell = table-><a class="code" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt</a>(2, 0);
cell-><a class="code" href="classWt_1_1WContainerWidget.html#2cfe66d9b62940f889e99538a9f478d2" title="Adds a child widget to this container.">addWidget</a>(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"Item @ row 2"</span>));
cell-><a class="code" href="classWt_1_1WTableCell.html#0f4912b4c023b78e6de41561e2e0a62a" title="Sets the column span.">setColumnSpan</a>(2);
</pre></div><p>
<h3>CSS</h3>
<p>
The widget corresponds to the HTML <code><table></code> tag and does not provide styling. It can be styled using inline or external CSS as appropriate.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WTableCell.html" title="A container widget that represents a cell in a table.">WTableCell</a>, <a class="el" href="classWt_1_1WTableRow.html" title="A table row.">WTableRow</a>, <a class="el" href="classWt_1_1WTableColumn.html" title="A table column.">WTableColumn</a> </dd></dl>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="c4b59af9a44e185edb14e7f1f439d6c4"></a><!-- doxytag: member="Wt::WTable::elementAt" ref="c4b59af9a44e185edb14e7f1f439d6c4" args="(int row, int column)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classWt_1_1WTableCell.html">WTableCell</a> * Wt::WTable::elementAt </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Accesses the table element at the given row and column.
<p>
If the row/column is beyond the current table dimensions, then the table is expanded automatically.
</div>
</div><p>
<a class="anchor" name="ff46a40881a7d0967d7435d8d479bedb"></a><!-- doxytag: member="Wt::WTable::rowAt" ref="ff46a40881a7d0967d7435d8d479bedb" args="(int row)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="classWt_1_1WTableRow.html">WTableRow</a> * Wt::WTable::rowAt </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the row object for the given row.
<p>
Like with <a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt()</a>, the table expands automatically when the row is beyond the current table dimensions.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt(int, int)</a>, <a class="el" href="classWt_1_1WTable.html#37dc3995a309d32a0e4bf857596df00e" title="Returns the column object for the given column.">columnAt(int)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="37dc3995a309d32a0e4bf857596df00e"></a><!-- doxytag: member="Wt::WTable::columnAt" ref="37dc3995a309d32a0e4bf857596df00e" args="(int column)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="classWt_1_1WTableColumn.html">WTableColumn</a> * Wt::WTable::columnAt </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the column object for the given column.
<p>
Like with <a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt()</a>, the table expands automatically when the column is beyond the current table dimensions.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WTable.html#c4b59af9a44e185edb14e7f1f439d6c4" title="Accesses the table element at the given row and column.">elementAt(int, int)</a>, <a class="el" href="classWt_1_1WTable.html#ff46a40881a7d0967d7435d8d479bedb" title="Returns the row object for the given row.">rowAt(int)</a> </dd></dl>
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</div><p>
<a class="anchor" name="5c45c882a0b3af6d0c0ed13b6217c078"></a><!-- doxytag: member="Wt::WTable::removeCell" ref="5c45c882a0b3af6d0c0ed13b6217c078" args="(WTableCell *item)" -->
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<td class="memname">void Wt::WTable::removeCell </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WTableCell.html">WTableCell</a> * </td>
<td class="paramname"> <em>item</em> </td>
<td> ) </td>
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<p>
Deletes a table cell and its contents.
<p>
The table cell at that position is recreated.
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<a class="anchor" name="46b216d395d19f3f9a71d1f168ca4f16"></a><!-- doxytag: member="Wt::WTable::removeCell" ref="46b216d395d19f3f9a71d1f168ca4f16" args="(int row, int column)" -->
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<td class="memname">void Wt::WTable::removeCell </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em></td><td> </td>
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<td>)</td>
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<p>
Deletes the table cell at the given position.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WTable.html#5c45c882a0b3af6d0c0ed13b6217c078" title="Deletes a table cell and its contents.">removeCell(WTableCell *)</a> </dd></dl>
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<a class="anchor" name="1e0910054f11ebdc8ae3a5cd7b03975c"></a><!-- doxytag: member="Wt::WTable::deleteRow" ref="1e0910054f11ebdc8ae3a5cd7b03975c" args="(int row)" -->
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<td class="memname">void Wt::WTable::deleteRow </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em> </td>
<td> ) </td>
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<p>
Deletes a row and all its contents.
<p>
Rows below the given row are shifted up.
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<a class="anchor" name="431d6a3da63ab9696e084ad7c2438afb"></a><!-- doxytag: member="Wt::WTable::clear" ref="431d6a3da63ab9696e084ad7c2438afb" args="()" -->
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<td class="memname">void Wt::WTable::clear </td>
<td>(</td>
<td class="paramname"> </td>
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<p>
Clears the entire table.
<p>
This method clears the entire table: all cells and their contents are deleted.
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<a class="anchor" name="e5e4e17ae51492b26e1930332d2f5bae"></a><!-- doxytag: member="Wt::WTable::setHeaderCount" ref="e5e4e17ae51492b26e1930332d2f5bae" args="(int count, Orientation orientation=Horizontal)" -->
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<td class="memname">void Wt::WTable::setHeaderCount </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>count</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> = <code>Horizontal</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
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<p>
Sets the number of header rows or columns.
<p>
The default values are 0.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This must be set before the initial rendering and cannot be changed later. </dd></dl>
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<a class="anchor" name="b742cd4fbda9d0692aad3165c34e0e84"></a><!-- doxytag: member="Wt::WTable::headerCount" ref="b742cd4fbda9d0692aad3165c34e0e84" args="(Orientation orientation=Horizontal)" -->
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<td class="memname">int Wt::WTable::headerCount </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> = <code>Horizontal</code> </td>
<td> ) </td>
<td></td>
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<p>
Returns the number of header rows or columns.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WTable.html#e5e4e17ae51492b26e1930332d2f5bae" title="Sets the number of header rows or columns.">setHeaderCount()</a> </dd></dl>
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</div><p>
</div>
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