# C1.Win.Collections.ObjectModel.ObservableDictionary-2.Add

## Content

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<h1 id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_Add_" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.Add*">Add Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_Add_" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.Add*"></a>
<h4 id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_Add__0__1_" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.Add(`0,`1)">Add(TKey, TValue)</h4>
<div class="markdown level1 summary"><p>Adds an element with the provided key and value to the <a class="xref" href="C1.Win.Collections.ObjectModel.ObservableDictionary-2.html">ObservableDictionary&lt;TKey, TValue&gt;</a>.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void Add(TKey key, TValue value)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub Add(key As TKey, value As TValue)</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><span class="xref">TKey</span></td>
      <td><span class="parametername">key</span></td>
      <td><p>The object to use as the key of the element to add.</p>
</td>
    </tr>
    <tr>
      <td><span class="xref">TValue</span></td>
      <td><span class="parametername">value</span></td>
      <td><p>The object to use as the value of the element to add.</p>
</td>
    </tr>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.idictionary-2.add">IDictionary&lt;TKey, TValue&gt;.Add(TKey, TValue)</a></div>
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