61 lines
3.3 KiB
HTML
61 lines
3.3 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="IA4HierarchyFolder::ItemAt" />
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<meta name="DC.Relation" scheme="URI" content="rzakxia4hierarchyifspec.htm" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>IA4HierarchyFolder::ItemAt</title>
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</head>
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<body id="rzakxia4hfitemat"><a name="rzakxia4hfitemat"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">IA4HierarchyFolder::ItemAt</h1>
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<div><p><strong>Purpose</strong></p>
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<p>Returns as SHITEMID (item identifier) structure for the folder object at
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the specified position in the list of folder contents. This is a required
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member function.</p>
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<p><strong>Syntax</strong></p>
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<pre>HRESULT STDMETHODCALLTYPE ItemAt(
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ULONG ulIndex,
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LPITEMIDLIST* ppidl
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); </pre>
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<p><strong>Parameters</strong></p>
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<dl><dt class="dlterm">ulIndex</dt>
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<dd>The zero-based index of the item for which an item identifier is requested.</dd>
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<dt class="dlterm">ppidl</dt>
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<dd>Address of the pointer that will receive the requested item identifier.</dd>
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</dl>
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<p><strong>Return Codes</strong></p>
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<p>Returns NOERROR if successful or E_FAIL if the item is not available. Returns
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E_OUTOFMEMORY if insufficient memory was available for the item identifier.</p>
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<p><strong>Comments</strong></p>
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<p>The iSeries™ Navigator
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repeatedly calls this function to populate a folder in realtime. Long running
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operations should therefore be avoided. Refer to CWBA4HYF.H for the format
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of iSeries Navigator
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item identifiers. Use the Windows<sup>®</sup> IMalloc interface to allocate
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memory for the item identifier.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakxia4hierarchyifspec.htm" title="An item identifier, or data entity, identifies all folders and objects in the Windows namespace. Item identifiers are like filenames in a hierarchical file system. The Windows namespace is, in fact, a hierarchical namespace with its root at the Desktop.">IA4HierarchyFolder interface specifications listing</a></div>
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</div>
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</div>
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</body>
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</html>
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