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<h1>Constants defining traverse modes<br/>
<small>
[<a class="el" href="group__collection.html">COLLECTION interface</a>]</small>
</h1><table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Modules</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__moreiterflag.html">Additional iterator flags</a></td></tr>
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gafa45dfb84ff1913115c8d8e014da6d36"></a><!-- doxytag: member="traverseconst::COL_TRAVERSE_DEFAULT" ref="gafa45dfb84ff1913115c8d8e014da6d36" args="" -->
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__traverseconst.html#gafa45dfb84ff1913115c8d8e014da6d36">COL_TRAVERSE_DEFAULT</a> 0x00000000</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Traverse all items in the collection. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__traverseconst.html#ga9a36a2d0b7033b6de38179204e0d6e4b">COL_TRAVERSE_ONELEVEL</a> 0x00000001</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Traverse only the top level. <a href="#ga9a36a2d0b7033b6de38179204e0d6e4b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__traverseconst.html#ga86d3337570601f58b54cff7271b442eb">COL_TRAVERSE_END</a> 0x00000002</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Insert end collection marker. <a href="#ga86d3337570601f58b54cff7271b442eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae05f70e97f1eb4489a3290875d63658c"></a><!-- doxytag: member="traverseconst::COL_TRAVERSE_IGNORE" ref="gae05f70e97f1eb4489a3290875d63658c" args="" -->
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__traverseconst.html#gae05f70e97f1eb4489a3290875d63658c">COL_TRAVERSE_IGNORE</a> 0x00000004</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Ignore sub collections as if none is present. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__traverseconst.html#ga243cf08b54ee0562f3db43aae9d83900">COL_TRAVERSE_FLAT</a> 0x00000008</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Flatten the collection. <a href="#ga243cf08b54ee0562f3db43aae9d83900"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>The following constants define how a collection can be traversed or iterated.</p>
<p>Flags defined below can generally be combined with each other.</p>
<p><a class="el" href="group__traverseconst.html#ga243cf08b54ee0562f3db43aae9d83900">COL_TRAVERSE_FLAT</a>, <a class="el" href="group__moreiterflag.html#ga81e9a3c29d038571e4b52ab685f9b417">COL_TRAVERSE_SHOWSUB</a>, <a class="el" href="group__moreiterflag.html#gae304668f4d234fdb2b83682be14c8155">COL_TRAVERSE_ONLYSUB</a> are mutually exclusive flags. If combined together results will be unpredictable.<br/>
<b>DO NOT MIX THEM IN ONE ITERATOR.</b> </p>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="ga86d3337570601f58b54cff7271b442eb"></a><!-- doxytag: member="collection.h::COL_TRAVERSE_END" ref="ga86d3337570601f58b54cff7271b442eb" args="" -->
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<td class="memname">#define COL_TRAVERSE_END 0x00000002</td>
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<p>Insert end collection marker. </p>
<p>Call the handler once more when the end of the collection is reached. Specifying this flag would cause a traversing function to call a callback once more passing in a virtual property of type <a class="el" href="group__coltypes.html#ga57d3248d79fe0ceed54b53958ce8e295">COL_TYPE_END</a>. Good for processing nested collections. </p>
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</div>
<a class="anchor" id="ga243cf08b54ee0562f3db43aae9d83900"></a><!-- doxytag: member="collection.h::COL_TRAVERSE_FLAT" ref="ga243cf08b54ee0562f3db43aae9d83900" args="" -->
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<td class="memname">#define COL_TRAVERSE_FLAT 0x00000008</td>
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<p>Flatten the collection. </p>
<p>Traversing this way would act as if all the properties of sub collection are properties of the root collection. The referencing properties or headers of the referenced collections are skipped.</p>
<p>If we think of the book case example this is very useful when one wants to iterate through all the books skipping information about which shelf they are on. </p>
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<a class="anchor" id="ga9a36a2d0b7033b6de38179204e0d6e4b"></a><!-- doxytag: member="collection.h::COL_TRAVERSE_ONELEVEL" ref="ga9a36a2d0b7033b6de38179204e0d6e4b" args="" -->
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<td class="memname">#define COL_TRAVERSE_ONELEVEL 0x00000001</td>
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<p>Traverse only the top level. </p>
<p>Traverse only top level ignored if the IGNORE flag is specified </p>
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