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yasuhirokimura-db18/docs/csharp/html/M_BerkeleyDB_BTreeCursor_AddUnique.htm
Yasuhiro KIMURA 923a4cd4e6 Update to 18.1.32
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<html xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:mshelp="http://msdn.microsoft.com/mshelp" xmlns:ddue="http://ddue.schemas.microsoft.com/authoring/2003/5" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:msxsl="urn:schemas-microsoft-com:xslt"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" /><META NAME="save" CONTENT="history" /><title>AddUnique Method </title><link rel="stylesheet" type="text/css" href="../styles/presentation.css" /><link rel="stylesheet" type="text/css" href="ms-help://Hx/HxRuntime/HxLink.css" /><script type="text/javascript" src="../scripts/EventUtilities.js"> </script><script type="text/javascript" src="../scripts/SplitScreen.js"> </script><script type="text/javascript" src="../scripts/Dropdown.js"> </script><script type="text/javascript" src="../scripts/script_manifold.js"> </script><script type="text/javascript" src="../scripts/script_feedBack.js"> </script><script type="text/javascript" src="../scripts/CheckboxMenu.js"> </script><script type="text/javascript" src="../scripts/CommonUtilities.js"> </script><meta name="container" content="BerkeleyDB" /><meta name="file" content="M_BerkeleyDB_BTreeCursor_AddUnique" /><meta name="guid" content="M_BerkeleyDB_BTreeCursor_AddUnique" /><xml><MSHelp:Attr Name="AssetID" Value="M:BerkeleyDB.BTreeCursor.AddUnique(System.Collections.Generic.KeyValuePair{BerkeleyDB.DatabaseEntry,BerkeleyDB.DatabaseEntry})" /><MSHelp:TOCTitle Title="AddUnique Method " /><MSHelp:RLTitle Title="BTreeCursor.AddUnique Method (BerkeleyDB)" /><MSHelp:Keyword Index="A" Term="M:BerkeleyDB.BTreeCursor.AddUnique(System.Collections.Generic.KeyValuePair{BerkeleyDB.DatabaseEntry,BerkeleyDB.DatabaseEntry})" /><MSHelp:Keyword Index="A" Term="frlrfBerkeleyDBBTreeCursorClassAddUniqueTopic" /><MSHelp:Keyword Index="K" Term="AddUnique method" /><MSHelp:Keyword Index="K" Term="BTreeCursor.AddUnique method" /><MSHelp:Keyword Index="F" Term="AddUnique" /><MSHelp:Keyword Index="F" Term="BTreeCursor.AddUnique" /><MSHelp:Keyword Index="F" Term="BerkeleyDB.BTreeCursor.AddUnique" /><MSHelp:Attr Name="APIType" Value="Managed" /><MSHelp:Attr Name="APILocation" Value="libdb_dotnet181.dll" /><MSHelp:Attr Name="APIName" Value="BerkeleyDB.BTreeCursor.AddUnique" /><MSHelp:Attr Name="DevLang" Value="CSharp" /><MSHelp:Attr Name="DevLang" Value="VB" /><MSHelp:Attr Name="DevLang" Value="C++" /><MSHelp:Attr Name="Locale" Value="en-us" /><MSHelp:Attr Name="TopicType" Value="kbSyntax" /><MSHelp:Attr Name="TopicType" Value="apiref" /><MSHelp:Attr Name="Abstract" Value="Insert the specified key/data pair into the database, unless a key/data pair comparing equally to it already exists in the database." /><MSHelp:Attr Name="AssemblyVersion" Value="18.1.32.0" /></xml></head><body><input type="hidden" id="userDataCache" class="userDataStyle" /><input type="hidden" id="hiddenScrollOffset" /><img id="collapseImage" style="display:none; 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Insert the specified key/data pair into the database, unless a
key/data pair comparing equally to it already exists in the
database.
</div><p />
<b>Namespace:</b>
 <a href="N_BerkeleyDB.htm">BerkeleyDB</a><br />
<b>Assembly:</b>
 <span sdata="assembly">libdb_dotnet181</span> (in libdb_dotnet181.dll) Version: 18.1.32.0<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">void</span> <span class="identifier">AddUnique</span>(
<a href="http://msdn2.microsoft.com/en-us/library/5tbh8a42" target="_blank">KeyValuePair</a>&lt;<a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>, <a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>&gt; <span class="parameter">pair</span>
)</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic (Declaration)</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Sub</span> <span class="identifier">AddUnique</span> ( _
<span class="parameter">pair</span> <span class="keyword">As</span> <a href="http://msdn2.microsoft.com/en-us/library/5tbh8a42" target="_blank">KeyValuePair</a>(<span class="keyword">Of</span> <a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>, <a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>) _
)</pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span>:
<span class="keyword">void</span> <span class="identifier">AddUnique</span>(
<a href="http://msdn2.microsoft.com/en-us/library/5tbh8a42" target="_blank">KeyValuePair</a>&lt;<a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>^, <a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>^&gt; <span class="parameter">pair</span>
)</pre></td></tr></table></span></div><div id="parameters"><h4 class="subHeading">Parameters</h4><dl paramName="pair"><dt><span class="parameter">pair</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/5tbh8a42" target="_blank">System.Collections.Generic<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span></span>KeyValuePair</a><span class="languageSpecificText"><span class="cs">&lt;</span><span class="vb">(Of </span><span class="cpp">&lt;</span><span class="nu">(</span></span><a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a>, <a href="T_BerkeleyDB_DatabaseEntry.htm">DatabaseEntry</a><span class="languageSpecificText"><span class="cs">&gt;</span><span class="vb">)</span><span class="cpp">&gt;</span><span class="nu">)</span></span><br />The key/data pair to be inserted</dd></dl></div></div><h1 class="heading"><span onclick="ExpandCollapse(exceptionsToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(exceptionsToggle, event)" tabindex="0"><img id="exceptionsToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Exceptions</span></h1><div id="exceptionsSection" class="section" name="collapseableSection" style=""><div class="tableSection"><table width="100%" cellspacing="2" cellpadding="5" frame="lhs"><tr><th class="exceptionNameColumn">Exception</th><th class="exceptionConditionColumn">Condition</th></tr><tr><td><a href="T_BerkeleyDB_KeyExistException.htm">BerkeleyDB<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span></span>KeyExistException</a></td><td>
Thrown if a matching key/data pair already exists in the database.
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