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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">wxDataViewItem Class Reference<div class="ingroups"><a class="el" href="group__group__class__dvc.html">wxDataViewCtrl Related Classes</a></div></div> </div>
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<p><code>#include <wx/dataview.h></code></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classwx_data_view_item.html" title="wxDataViewItem is a small opaque class that represents an item in a wxDataViewCtrl in a persistent wa...">wxDataViewItem</a> is a small opaque class that represents an item in a <a class="el" href="classwx_data_view_ctrl.html" title="wxDataViewCtrl is a control to display data either in a tree like fashion or in a tabular form or bot...">wxDataViewCtrl</a> in a persistent way, i.e. </p>
<p>independent of the position of the item in the control or changes to its contents.</p>
<p>It must hold a unique ID of type <em>void*</em> in its only field and can be converted to and from it.</p>
<p>If the ID is <span class="literal">NULL</span> the <a class="el" href="classwx_data_view_item.html" title="wxDataViewItem is a small opaque class that represents an item in a wxDataViewCtrl in a persistent wa...">wxDataViewItem</a> is invalid and <a class="el" href="classwx_data_view_item.html#ae20043204863f0ca26254773833e5a70" title="Returns true if the ID is not NULL.">wxDataViewItem::IsOk</a> will return <span class="literal">false</span> which used in many places in the API of <a class="el" href="classwx_data_view_ctrl.html" title="wxDataViewCtrl is a control to display data either in a tree like fashion or in a tabular form or bot...">wxDataViewCtrl</a> to indicate that e.g. no item was found. An ID of <span class="literal">NULL</span> is also used to indicate the invisible root. Examples for this are <a class="el" href="classwx_data_view_model.html#a4e12a582dffdc40bf043a48e1c12a9fb" title="Override this to indicate which wxDataViewItem representing the parent of item or an invalid wxDataVi...">wxDataViewModel::GetParent</a> and <a class="el" href="classwx_data_view_model.html#a945bbb0523166c6b092af62c7ba7b2ac" title="Override this so the control can query the child items of an item.">wxDataViewModel::GetChildren</a>.</p>
<h2></h2>
<div><span class="lib">Library:</span>  <span class="lib_text"><a class="el" href="page_libs.html#page_libs_wxadv">wxAdvanced</a></span></div><div><span class="category">Category:</span>  <span class="category_text"><a class="el" href="group__group__class__dvc.html">wxDataViewCtrl Related Classes</a></span></div> </div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a367189fccbc3d0aba73d3a22a5024e90"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_view_item.html#a367189fccbc3d0aba73d3a22a5024e90">GetID</a> () const </td></tr>
<tr class="memdesc:a367189fccbc3d0aba73d3a22a5024e90"><td class="mdescLeft"> </td><td class="mdescRight">Returns the ID. <a href="#a367189fccbc3d0aba73d3a22a5024e90"></a><br/></td></tr>
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<tr class="memitem:ae20043204863f0ca26254773833e5a70"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_view_item.html#ae20043204863f0ca26254773833e5a70">IsOk</a> () const </td></tr>
<tr class="memdesc:ae20043204863f0ca26254773833e5a70"><td class="mdescLeft"> </td><td class="mdescRight">Returns <span class="literal">true</span> if the ID is not <span class="literal">NULL</span>. <a href="#ae20043204863f0ca26254773833e5a70"></a><br/></td></tr>
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<tr class="memitem:a7a8b5a738467b471cd10e96357dc800e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_view_item.html#a7a8b5a738467b471cd10e96357dc800e">wxDataViewItem</a> ()</td></tr>
<tr class="memdesc:a7a8b5a738467b471cd10e96357dc800e"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a7a8b5a738467b471cd10e96357dc800e"></a><br/></td></tr>
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<tr class="memitem:a355faeb0fd910141a8621c34b884153c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_view_item.html#a355faeb0fd910141a8621c34b884153c">wxDataViewItem</a> (const <a class="el" href="classwx_data_view_item.html">wxDataViewItem</a> &item)</td></tr>
<tr class="memdesc:a355faeb0fd910141a8621c34b884153c"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a355faeb0fd910141a8621c34b884153c"></a><br/></td></tr>
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<tr class="memitem:aa8c216134b8e17a742c070e39753be59"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_view_item.html#aa8c216134b8e17a742c070e39753be59">wxDataViewItem</a> (void *id)</td></tr>
<tr class="memdesc:aa8c216134b8e17a742c070e39753be59"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#aa8c216134b8e17a742c070e39753be59"></a><br/></td></tr>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">wxDataViewItem::wxDataViewItem </td>
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<td class="paramname"></td><td>)</td>
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<p>Constructor. </p>
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<td class="memname">wxDataViewItem::wxDataViewItem </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classwx_data_view_item.html">wxDataViewItem</a> & </td>
<td class="paramname"><em>item</em></td><td>)</td>
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<p>Constructor. </p>
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<td class="memname">wxDataViewItem::wxDataViewItem </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void* wxDataViewItem::GetID </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Returns the ID. </p>
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<td class="memname">bool wxDataViewItem::IsOk </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Returns <span class="literal">true</span> if the ID is not <span class="literal">NULL</span>. </p>
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