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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">wxDataObjectSimple Class Reference<div class="ingroups"><a class="el" href="group__group__class__dnd.html">Clipboard and Drag & Drop</a></div></div> </div>
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<p><code>#include <wx/dataobj.h></code></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for wxDataObjectSimple:</div>
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<area shape="rect" id="node5" href="classwx_bitmap_data_object.html" title="wxBitmapDataObject is a specialization of wxDataObject for bitmap data." alt="" coords="372,5,513,33"/><area shape="rect" id="node7" href="classwx_custom_data_object.html" title="wxCustomDataObject is a specialization of wxDataObjectSimple for some application-specific data in ar..." alt="" coords="369,55,516,83"/><area shape="rect" id="node9" href="classwx_file_data_object.html" title="wxFileDataObject is a specialization of wxDataObject for file names." alt="" coords="381,106,504,134"/><area shape="rect" id="node11" href="classwx_h_t_m_l_data_object.html" title="wxHTMLDataObject is used for working with HTML-formatted text." alt="" coords="375,157,511,185"/><area shape="rect" id="node13" href="classwx_rich_text_buffer_data_object.html" title="Implements a rich text data object for clipboard transfer." alt="" coords="349,207,536,235"/><area shape="rect" id="node15" href="classwx_text_data_object.html" title="wxTextDataObject is a specialization of wxDataObjectSimple for text data." alt="" coords="380,258,505,286"/><area shape="rect" id="node2" href="classwx_data_object.html" title="A wxDataObject represents data that can be copied to or from the clipboard, or dragged and dropped..." alt="" coords="7,131,108,159"/><area shape="rect" id="node17" href="classwx_u_r_l_data_object.html" title="wxURLDataObject is a wxDataObject containing an URL and can be used e.g." alt="" coords="585,258,711,286"/></map>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This is the simplest possible implementation of the <a class="el" href="classwx_data_object.html" title="A wxDataObject represents data that can be copied to or from the clipboard, or dragged and dropped...">wxDataObject</a> class. </p>
<p>The data object of (a class derived from) this class only supports <b>one format</b>, so the number of virtual functions to be implemented is reduced.</p>
<p>Notice that this is still an abstract base class and cannot be used directly, it must be derived. The objects supporting rendering the data must override <a class="el" href="classwx_data_object_simple.html#aac4311ab34deb1028d471c6a435574ff" title="Gets the size of our data.">GetDataSize()</a> and <a class="el" href="classwx_data_object_simple.html#a20585d2b354e24e5f7b0f4f559f50594" title="Copy the data to the buffer, return true on success.">GetDataHere()</a> while the objects which may be set must override <a class="el" href="classwx_data_object_simple.html#a064b6e42ceb86247318e7ab62bb47442" title="Copy the data from the buffer, return true on success.">SetData()</a>. Of course, the objects supporting both operations must override all three methods.</p>
<p><b>wxPerl Note:</b> In wxPerl, you need to derive your data object class from Wx::PlDataObjectSimple.</p>
<h2></h2>
<div><span class="lib">Library:</span>  <span class="lib_text"><a class="el" href="page_libs.html#page_libs_wxcore">wxCore</a></span></div><div><span class="category">Category:</span>  <span class="category_text"><a class="el" href="group__group__class__dnd.html">Clipboard and Drag & Drop</a></span></div><dl class="section see"><dt>See Also</dt><dd><a class="el" href="overview_dnd.html">Drag and Drop Overview</a>, <a class="el" href="page_samples.html#page_samples_dnd">Drag & Drop Sample</a>, <a class="el" href="classwx_file_data_object.html" title="wxFileDataObject is a specialization of wxDataObject for file names.">wxFileDataObject</a>, <a class="el" href="classwx_text_data_object.html" title="wxTextDataObject is a specialization of wxDataObjectSimple for text data.">wxTextDataObject</a>, <a class="el" href="classwx_bitmap_data_object.html" title="wxBitmapDataObject is a specialization of wxDataObject for bitmap data.">wxBitmapDataObject</a> </dd></dl>
</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:ad246b285dd2f414f4b13a4d794bf602d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#ad246b285dd2f414f4b13a4d794bf602d">wxDataObjectSimple</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format=<a class="el" href="dataobj_8h.html#ad7c90f2b8a468a3999d0df90fa82e5aa">wxFormatInvalid</a>)</td></tr>
<tr class="memdesc:ad246b285dd2f414f4b13a4d794bf602d"><td class="mdescLeft"> </td><td class="mdescRight">Constructor accepts the supported format (none by default) which may also be set later with <a class="el" href="classwx_data_object_simple.html#adf9d889c7fcc7e05cb6253b3b1e3cb0f" title="Sets the supported format.">SetFormat()</a>. <a href="#ad246b285dd2f414f4b13a4d794bf602d"></a><br/></td></tr>
<tr class="separator:ad246b285dd2f414f4b13a4d794bf602d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a20585d2b354e24e5f7b0f4f559f50594"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#a20585d2b354e24e5f7b0f4f559f50594">GetDataHere</a> (void *buf) const </td></tr>
<tr class="memdesc:a20585d2b354e24e5f7b0f4f559f50594"><td class="mdescLeft"> </td><td class="mdescRight">Copy the data to the buffer, return <span class="literal">true</span> on success. <a href="#a20585d2b354e24e5f7b0f4f559f50594"></a><br/></td></tr>
<tr class="separator:a20585d2b354e24e5f7b0f4f559f50594"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aac4311ab34deb1028d471c6a435574ff"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#aac4311ab34deb1028d471c6a435574ff">GetDataSize</a> () const </td></tr>
<tr class="memdesc:aac4311ab34deb1028d471c6a435574ff"><td class="mdescLeft"> </td><td class="mdescRight">Gets the size of our data. <a href="#aac4311ab34deb1028d471c6a435574ff"></a><br/></td></tr>
<tr class="separator:aac4311ab34deb1028d471c6a435574ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abd9099ed166b9fc902106f06db8a8338"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_data_format.html">wxDataFormat</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#abd9099ed166b9fc902106f06db8a8338">GetFormat</a> () const </td></tr>
<tr class="memdesc:abd9099ed166b9fc902106f06db8a8338"><td class="mdescLeft"> </td><td class="mdescRight">Returns the (one and only one) format supported by this object. <a href="#abd9099ed166b9fc902106f06db8a8338"></a><br/></td></tr>
<tr class="separator:abd9099ed166b9fc902106f06db8a8338"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a064b6e42ceb86247318e7ab62bb47442"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#a064b6e42ceb86247318e7ab62bb47442">SetData</a> (size_t len, const void *buf)</td></tr>
<tr class="memdesc:a064b6e42ceb86247318e7ab62bb47442"><td class="mdescLeft"> </td><td class="mdescRight">Copy the data from the buffer, return <span class="literal">true</span> on success. <a href="#a064b6e42ceb86247318e7ab62bb47442"></a><br/></td></tr>
<tr class="separator:a064b6e42ceb86247318e7ab62bb47442"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adf9d889c7fcc7e05cb6253b3b1e3cb0f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object_simple.html#adf9d889c7fcc7e05cb6253b3b1e3cb0f">SetFormat</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format)</td></tr>
<tr class="memdesc:adf9d889c7fcc7e05cb6253b3b1e3cb0f"><td class="mdescLeft"> </td><td class="mdescRight">Sets the supported format. <a href="#adf9d889c7fcc7e05cb6253b3b1e3cb0f"></a><br/></td></tr>
<tr class="separator:adf9d889c7fcc7e05cb6253b3b1e3cb0f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classwx_data_object"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classwx_data_object')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classwx_data_object.html">wxDataObject</a></td></tr>
<tr class="memitem:aa910d21b55e45638567f770aa71a44da inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#aa910d21b55e45638567f770aa71a44da">wxDataObject</a> ()</td></tr>
<tr class="memdesc:aa910d21b55e45638567f770aa71a44da inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#aa910d21b55e45638567f770aa71a44da"></a><br/></td></tr>
<tr class="separator:aa910d21b55e45638567f770aa71a44da inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a392665fe790cd29de240223b5bd2936c inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a392665fe790cd29de240223b5bd2936c">~wxDataObject</a> ()</td></tr>
<tr class="memdesc:a392665fe790cd29de240223b5bd2936c inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a392665fe790cd29de240223b5bd2936c"></a><br/></td></tr>
<tr class="separator:a392665fe790cd29de240223b5bd2936c inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a71abcc4eb2229e936ea53ebdefa53bef inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a71abcc4eb2229e936ea53ebdefa53bef">GetAllFormats</a> (<a class="el" href="classwx_data_format.html">wxDataFormat</a> *formats, <a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692ef">Direction</a> dir=<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efac7de2bf89290f75553da7f3cb8fa5397">Get</a>) const =0</td></tr>
<tr class="memdesc:a71abcc4eb2229e936ea53ebdefa53bef inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Copies all formats supported in the given direction <em>dir</em> to the array pointed to by <em>formats</em>. <a href="#a71abcc4eb2229e936ea53ebdefa53bef"></a><br/></td></tr>
<tr class="separator:a71abcc4eb2229e936ea53ebdefa53bef inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa48761390b25d797d4cad393db752568 inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#aa48761390b25d797d4cad393db752568">GetDataHere</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format, void *buf) const =0</td></tr>
<tr class="memdesc:aa48761390b25d797d4cad393db752568 inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">The method will write the data of the format <em>format</em> to the buffer <em>buf</em>. <a href="#aa48761390b25d797d4cad393db752568"></a><br/></td></tr>
<tr class="separator:aa48761390b25d797d4cad393db752568 inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a10674c65e59f08ba318f942e410b8627 inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a10674c65e59f08ba318f942e410b8627">GetDataSize</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format) const =0</td></tr>
<tr class="memdesc:a10674c65e59f08ba318f942e410b8627 inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Returns the data size of the given format <em>format</em>. <a href="#a10674c65e59f08ba318f942e410b8627"></a><br/></td></tr>
<tr class="separator:a10674c65e59f08ba318f942e410b8627 inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3f82815810bf4dcc34e1a5783c9b8a62 inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a3f82815810bf4dcc34e1a5783c9b8a62">GetFormatCount</a> (<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692ef">Direction</a> dir=<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efac7de2bf89290f75553da7f3cb8fa5397">Get</a>) const =0</td></tr>
<tr class="memdesc:a3f82815810bf4dcc34e1a5783c9b8a62 inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of available formats for rendering or setting the data. <a href="#a3f82815810bf4dcc34e1a5783c9b8a62"></a><br/></td></tr>
<tr class="separator:a3f82815810bf4dcc34e1a5783c9b8a62 inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a47570ed6123bbebec195a2b7f843103c inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classwx_data_format.html">wxDataFormat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a47570ed6123bbebec195a2b7f843103c">GetPreferredFormat</a> (<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692ef">Direction</a> dir=<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efac7de2bf89290f75553da7f3cb8fa5397">Get</a>) const =0</td></tr>
<tr class="memdesc:a47570ed6123bbebec195a2b7f843103c inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Returns the preferred format for either rendering the data (if <em>dir</em> is <code>Get</code>, its default value) or for setting it. <a href="#a47570ed6123bbebec195a2b7f843103c"></a><br/></td></tr>
<tr class="separator:a47570ed6123bbebec195a2b7f843103c inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab73fa5f1cb933c67df20ddb1fad99071 inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#ab73fa5f1cb933c67df20ddb1fad99071">SetData</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format, size_t len, const void *buf)</td></tr>
<tr class="memdesc:ab73fa5f1cb933c67df20ddb1fad99071 inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Set the data in the format <em>format</em> of the length <em>len</em> provided in the buffer <em>buf</em>. <a href="#ab73fa5f1cb933c67df20ddb1fad99071"></a><br/></td></tr>
<tr class="separator:ab73fa5f1cb933c67df20ddb1fad99071 inherit pub_methods_classwx_data_object"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaedc05373d1e6822c9795f57d8200b72 inherit pub_methods_classwx_data_object"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#aaedc05373d1e6822c9795f57d8200b72">IsSupported</a> (const <a class="el" href="classwx_data_format.html">wxDataFormat</a> &format, <a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692ef">Direction</a> dir=<a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efac7de2bf89290f75553da7f3cb8fa5397">Get</a>) const </td></tr>
<tr class="memdesc:aaedc05373d1e6822c9795f57d8200b72 inherit pub_methods_classwx_data_object"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if this format is supported. <a href="#aaedc05373d1e6822c9795f57d8200b72"></a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classwx_data_object"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classwx_data_object')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classwx_data_object.html">wxDataObject</a></td></tr>
<tr class="memitem:a7623fd02a6bef5dba7c96ff0a1a692ef inherit pub_types_classwx_data_object"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692ef">Direction</a> { <br/>
  <a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efac7de2bf89290f75553da7f3cb8fa5397">Get</a> = 0x01,
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  <a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efa2ab9d7f173f2d17dc8ee7324ed3410b6">Set</a> = 0x02,
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  <a class="el" href="classwx_data_object.html#a7623fd02a6bef5dba7c96ff0a1a692efa1f94b69e55238c5470f85e252b5fd8df">Both</a> = 0x03
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}</td></tr>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">wxDataObjectSimple::wxDataObjectSimple </td>
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<td class="paramtype">const <a class="el" href="classwx_data_format.html">wxDataFormat</a> & </td>
<td class="paramname"><em>format</em> = <code><a class="el" href="dataobj_8h.html#ad7c90f2b8a468a3999d0df90fa82e5aa">wxFormatInvalid</a></code></td><td>)</td>
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<p>Constructor accepts the supported format (none by default) which may also be set later with <a class="el" href="classwx_data_object_simple.html#adf9d889c7fcc7e05cb6253b3b1e3cb0f" title="Sets the supported format.">SetFormat()</a>. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual bool wxDataObjectSimple::GetDataHere </td>
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<td class="paramtype">void * </td>
<td class="paramname"><em>buf</em></td><td>)</td>
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<p>Copy the data to the buffer, return <span class="literal">true</span> on success. </p>
<p>Must be implemented in the derived class if the object supports rendering its data. </p>
<p>Reimplemented in <a class="el" href="classwx_rich_text_buffer_data_object.html#a5bc110b30ec55ca25f48c4eaeefe0021">wxRichTextBufferDataObject</a>.</p>
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<td class="memname">virtual size_t wxDataObjectSimple::GetDataSize </td>
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<p>Gets the size of our data. </p>
<p>Must be implemented in the derived class if the object supports rendering its data. </p>
<p>Reimplemented in <a class="el" href="classwx_rich_text_buffer_data_object.html#aab7eb23890d56eff05f55eeb8353d9f4">wxRichTextBufferDataObject</a>.</p>
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<td class="memname">const <a class="el" href="classwx_data_format.html">wxDataFormat</a>& wxDataObjectSimple::GetFormat </td>
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<p>Returns the (one and only one) format supported by this object. </p>
<p>It is assumed that the format is supported in both directions. </p>
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<td class="memname">virtual bool wxDataObjectSimple::SetData </td>
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<td class="paramtype">const void * </td>
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<td>)</td>
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<p>Copy the data from the buffer, return <span class="literal">true</span> on success. </p>
<p>Must be implemented in the derived class if the object supports setting its data. </p>
<p>Reimplemented in <a class="el" href="classwx_rich_text_buffer_data_object.html#aaef7b34a2440d720e3e2dbc50f941ae6">wxRichTextBufferDataObject</a>, and <a class="el" href="classwx_custom_data_object.html#a5a0cdd8e3a80d0bd7853b86e662650b4">wxCustomDataObject</a>.</p>
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<td class="memname">void wxDataObjectSimple::SetFormat </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classwx_data_format.html">wxDataFormat</a> & </td>
<td class="paramname"><em>format</em></td><td>)</td>
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<p>Sets the supported format. </p>
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