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<article class="content wrap" id="_content" data-uid="X10D.Collections.DictionaryExtensions">
<h1 id="X10D_Collections_DictionaryExtensions" data-uid="X10D.Collections.DictionaryExtensions" class="text-break">Class DictionaryExtensions
</h1>
<div class="markdown level0 summary"><p>Extension methods for <see cref="!:Dictionary&lt;TKey,TValue>"></see> and similar types.</p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><span class="xref">DictionaryExtensions</span></div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="X10D.Collections.html">X10D.Collections</a></h6>
<h6><strong>Assembly</strong>: X10D.dll</h6>
<h5 id="X10D_Collections_DictionaryExtensions_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static class DictionaryExtensions : object</code></pre>
</div>
<h3 id="methods">Methods
</h3>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__2_Dictionary___0___1____0___1_Func___0___1___1__.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%602(Dictionary%7B%60%600%2C%60%601%7D%2C%60%600%2C%60%601%2CFunc%7B%60%600%2C%60%601%2C%60%601%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a href="https://github.com/oliverbooth/X10D/blob/main/X10D/src/Collections/DictionaryExtensions.cs/#L34">View Source</a>
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<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__2_Dictionary___0___1____0___1_Func___0___1___1__" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``2(Dictionary{``0,``1},``0,``1,Func{``0,``1,``1})">AddOrUpdate&lt;TKey, TValue&gt;(Dictionary&lt;TKey, TValue&gt;, TKey, TValue, Func&lt;TKey, TValue, TValue&gt;)</h4>
<div class="markdown level1 summary"><p>Adds a key/value pair to the <see cref="!:Dictionary&lt;TKey,TValue>"></see> if the key does not already exist, or updates a
key/value pair in the <see cref="!:Dictionary&lt;TKey,TValue>"></see> by using the specified function if the key already
exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue&gt;(this Dictionary&lt;TKey, TValue&gt; dictionary, TKey key, TValue addValue, Func&lt;TKey, TValue, TValue&gt; updateValueFactory)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Dictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">addValue</span></td>
<td><p>The value to be added for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be <code data-dev-comment-type="paramref" class="paramref">addValue</code> (if the key was absent) or the result
of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
</tbody>
</table>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__2_Dictionary___0___1____0_Func___0___1__Func___0___1___1__.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%602(Dictionary%7B%60%600%2C%60%601%7D%2C%60%600%2CFunc%7B%60%600%2C%60%601%7D%2CFunc%7B%60%600%2C%60%601%2C%60%601%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a href="https://github.com/oliverbooth/X10D/blob/main/X10D/src/Collections/DictionaryExtensions.cs/#L126">View Source</a>
</span>
<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__2_Dictionary___0___1____0_Func___0___1__Func___0___1___1__" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``2(Dictionary{``0,``1},``0,Func{``0,``1},Func{``0,``1,``1})">AddOrUpdate&lt;TKey, TValue&gt;(Dictionary&lt;TKey, TValue&gt;, TKey, Func&lt;TKey, TValue&gt;, Func&lt;TKey, TValue, TValue&gt;)</h4>
<div class="markdown level1 summary"><p>Uses the specified functions to add a key/value pair to the <see cref="!:Dictionary&lt;TKey,TValue>"></see> if the key does
not already exist, or to update a key/value pair in the <see cref="!:Dictionary&lt;TKey,TValue>"></see> if the key already
exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue&gt;(this Dictionary&lt;TKey, TValue&gt; dictionary, TKey key, Func&lt;TKey, TValue&gt; addValueFactory, Func&lt;TKey, TValue, TValue&gt; updateValueFactory)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Dictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">addValueFactory</span></td>
<td><p>The function used to generate a value for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be the result of <code data-dev-comment-type="paramref" class="paramref">addValueFactory </code> (if the key was
absent) or the result of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
</tbody>
</table>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__2_IDictionary___0___1____0___1_Func___0___1___1__.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%602(IDictionary%7B%60%600%2C%60%601%7D%2C%60%600%2C%60%601%2CFunc%7B%60%600%2C%60%601%2C%60%601%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a href="https://github.com/oliverbooth/X10D/blob/main/X10D/src/Collections/DictionaryExtensions.cs/#L76">View Source</a>
</span>
<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__2_IDictionary___0___1____0___1_Func___0___1___1__" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``2(IDictionary{``0,``1},``0,``1,Func{``0,``1,``1})">AddOrUpdate&lt;TKey, TValue&gt;(IDictionary&lt;TKey, TValue&gt;, TKey, TValue, Func&lt;TKey, TValue, TValue&gt;)</h4>
<div class="markdown level1 summary"><p>Adds a key/value pair to the <see cref="!:IDictionary&lt;TKey,TValue>"></see> if the key does not already exist, or updates a
key/value pair in the <see cref="!:IDictionary&lt;TKey,TValue>"></see> by using the specified function if the key already
exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue&gt;(this IDictionary&lt;TKey, TValue&gt; dictionary, TKey key, TValue addValue, Func&lt;TKey, TValue, TValue&gt; updateValueFactory)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IDictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">addValue</span></td>
<td><p>The value to be added for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be <code data-dev-comment-type="paramref" class="paramref">addValue</code> (if the key was absent) or the result
of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
</tbody>
</table>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__2_IDictionary___0___1____0_Func___0___1__Func___0___1___1__.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%602(IDictionary%7B%60%600%2C%60%601%7D%2C%60%600%2CFunc%7B%60%600%2C%60%601%7D%2CFunc%7B%60%600%2C%60%601%2C%60%601%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a href="https://github.com/oliverbooth/X10D/blob/main/X10D/src/Collections/DictionaryExtensions.cs/#L175">View Source</a>
</span>
<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__2_IDictionary___0___1____0_Func___0___1__Func___0___1___1__" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``2(IDictionary{``0,``1},``0,Func{``0,``1},Func{``0,``1,``1})">AddOrUpdate&lt;TKey, TValue&gt;(IDictionary&lt;TKey, TValue&gt;, TKey, Func&lt;TKey, TValue&gt;, Func&lt;TKey, TValue, TValue&gt;)</h4>
<div class="markdown level1 summary"><p>Uses the specified functions to add a key/value pair to the <see cref="!:IDictionary&lt;TKey,TValue>"></see> if the key does
not already exist, or to update a key/value pair in the <see cref="!:IDictionary&lt;TKey,TValue>"></see> if the key already
exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue&gt;(this IDictionary&lt;TKey, TValue&gt; dictionary, TKey key, Func&lt;TKey, TValue&gt; addValueFactory, Func&lt;TKey, TValue, TValue&gt; updateValueFactory)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IDictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">addValueFactory</span></td>
<td><p>The function used to generate a value for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be the result of <code data-dev-comment-type="paramref" class="paramref">addValueFactory </code> (if the key was
absent) or the result of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
</tbody>
</table>
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<span class="divider">|</span>
<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__3_Dictionary___0___1____0_Func___0___2___1__Func___0___1___2___1____2_.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%603(Dictionary%7B%60%600%2C%60%601%7D%2C%60%600%2CFunc%7B%60%600%2C%60%602%2C%60%601%7D%2CFunc%7B%60%600%2C%60%601%2C%60%602%2C%60%601%7D%2C%60%602)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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</span>
<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__3_Dictionary___0___1____0_Func___0___2___1__Func___0___1___2___1____2_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``3(Dictionary{``0,``1},``0,Func{``0,``2,``1},Func{``0,``1,``2,``1},``2)">AddOrUpdate&lt;TKey, TValue, TArg&gt;(Dictionary&lt;TKey, TValue&gt;, TKey, Func&lt;TKey, TArg, TValue&gt;, Func&lt;TKey, TValue, TArg, TValue&gt;, TArg)</h4>
<div class="markdown level1 summary"><p>Uses the specified functions and argument to add a key/value pair to the <see cref="!:Dictionary&lt;TKey,TValue>"></see> if
the key does not already exist, or to update a key/value pair in the <see cref="!:Dictionary&lt;TKey,TValue>"></see> if th
key already exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue, TArg&gt;(this Dictionary&lt;TKey, TValue&gt; dictionary, TKey key, Func&lt;TKey, TArg, TValue&gt; addValueFactory, Func&lt;TKey, TValue, TArg, TValue&gt; updateValueFactory, TArg factoryArgument)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Dictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TArg, TValue&gt;</td>
<td><span class="parametername">addValueFactory</span></td>
<td><p>The function used to generate a value for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TArg, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
<tr>
<td><span class="xref">TArg</span></td>
<td><span class="parametername">factoryArgument</span></td>
<td><p>An argument to pass into <code data-dev-comment-type="paramref" class="paramref">addValueFactory</code> and <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be the result of <code data-dev-comment-type="paramref" class="paramref">addValueFactory </code> (if the key was
absent) or the result of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TArg</span></td>
<td><p>The type of an argument to pass into <code data-dev-comment-type="paramref" class="paramref">addValueFactory</code> and <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code>.</p>
</td>
</tr>
</tbody>
</table>
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<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_AddOrUpdate__3_IDictionary___0___1____0_Func___0___2___1__Func___0___1___2___1____2_.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.AddOrUpdate%60%603(IDictionary%7B%60%600%2C%60%601%7D%2C%60%600%2CFunc%7B%60%600%2C%60%602%2C%60%601%7D%2CFunc%7B%60%600%2C%60%601%2C%60%602%2C%60%601%7D%2C%60%602)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="X10D_Collections_DictionaryExtensions_AddOrUpdate_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_AddOrUpdate__3_IDictionary___0___1____0_Func___0___2___1__Func___0___1___2___1____2_" data-uid="X10D.Collections.DictionaryExtensions.AddOrUpdate``3(IDictionary{``0,``1},``0,Func{``0,``2,``1},Func{``0,``1,``2,``1},``2)">AddOrUpdate&lt;TKey, TValue, TArg&gt;(IDictionary&lt;TKey, TValue&gt;, TKey, Func&lt;TKey, TArg, TValue&gt;, Func&lt;TKey, TValue, TArg, TValue&gt;, TArg)</h4>
<div class="markdown level1 summary"><p>Uses the specified functions and argument to add a key/value pair to the <see cref="!:IDictionary&lt;TKey,TValue>"></see> if
the key does not already exist, or to update a key/value pair in the <see cref="!:IDictionary&lt;TKey,TValue>"></see> if th
key already exists.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TValue AddOrUpdate&lt;TKey, TValue, TArg&gt;(this IDictionary&lt;TKey, TValue&gt; dictionary, TKey key, Func&lt;TKey, TArg, TValue&gt; addValueFactory, Func&lt;TKey, TValue, TArg, TValue&gt; updateValueFactory, TArg factoryArgument)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IDictionary</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">dictionary</span></td>
<td><p>The dictionary to update.</p>
</td>
</tr>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td><p>The key to be added or whose value should be updated.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TArg, TValue&gt;</td>
<td><span class="parametername">addValueFactory</span></td>
<td><p>The function used to generate a value for an absent key.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, TValue, TArg, TValue&gt;</td>
<td><span class="parametername">updateValueFactory</span></td>
<td><p>The function used to generate a new value for an existing key based on the key's existing value.</p>
</td>
</tr>
<tr>
<td><span class="xref">TArg</span></td>
<td><span class="parametername">factoryArgument</span></td>
<td><p>An argument to pass into <code data-dev-comment-type="paramref" class="paramref">addValueFactory</code> and <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><p>The new value for the key. This will be either be the result of <code data-dev-comment-type="paramref" class="paramref">addValueFactory </code> (if the key was
absent) or the result of <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code> (if the key was present).</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the keys in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the values in the dictionary.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TArg</span></td>
<td><p>The type of an argument to pass into <code data-dev-comment-type="paramref" class="paramref">addValueFactory</code> and <code data-dev-comment-type="paramref" class="paramref">updateValueFactory</code>.</p>
</td>
</tr>
</tbody>
</table>
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<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_ToConnectionString__2_IEnumerable_KeyValuePair___0___1___.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.ToConnectionString%60%602(IEnumerable%7BKeyValuePair%7B%60%600%2C%60%601%7D%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="X10D_Collections_DictionaryExtensions_ToConnectionString_" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToConnectionString__2_IEnumerable_KeyValuePair___0___1___" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString``2(IEnumerable{KeyValuePair{``0,``1}})">ToConnectionString&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to a data connection
string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToConnectionString&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
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<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_ToConnectionString__2_IEnumerable_KeyValuePair___0___1___Func___0_System_String__Func___1_System_Nullable_System_String___.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.ToConnectionString%60%602(IEnumerable%7BKeyValuePair%7B%60%600%2C%60%601%7D%7D%2CFunc%7B%60%600%2CSystem.String%7D%2CFunc%7B%60%601%2CSystem.Nullable%7BSystem.String%7D%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="X10D_Collections_DictionaryExtensions_ToConnectionString_" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToConnectionString__2_IEnumerable_KeyValuePair___0___1___Func___0_System_String__Func___1_System_Nullable_System_String___" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString``2(IEnumerable{KeyValuePair{``0,``1}},Func{``0,System.String},Func{``1,System.Nullable{System.String}})">ToConnectionString&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, Func&lt;TKey, String&gt;, Func&lt;TValue, Nullable&lt;String&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to an data connection
string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToConnectionString&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source, Func&lt;TKey, string&gt; keySelector, Func&lt;TValue, string?&gt; valueSelector)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, <span class="xref">System.String</span>&gt;</td>
<td><span class="parametername">keySelector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Key"></see> of each element.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TValue, <span class="xref">System.Nullable</span>&lt;<span class="xref">System.String</span>&gt;&gt;</td>
<td><span class="parametername">valueSelector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Value"></see> of each element.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
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<a id="X10D_Collections_DictionaryExtensions_ToConnectionString_" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToConnectionString__2_IEnumerable_KeyValuePair___0___1___Func___1_System_Nullable_System_String___" data-uid="X10D.Collections.DictionaryExtensions.ToConnectionString``2(IEnumerable{KeyValuePair{``0,``1}},Func{``1,System.Nullable{System.String}})">ToConnectionString&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, Func&lt;TValue, Nullable&lt;String&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to a data connection
string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToConnectionString&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source, Func&lt;TValue, string?&gt; selector)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TValue, <span class="xref">System.Nullable</span>&lt;<span class="xref">System.String</span>&gt;&gt;</td>
<td><span class="parametername">selector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Value"></see> of each element.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
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<a id="X10D_Collections_DictionaryExtensions_ToGetParameters_" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToGetParameters__2_IEnumerable_KeyValuePair___0___1___" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters``2(IEnumerable{KeyValuePair{``0,``1}})">ToGetParameters&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to a HTTP GET query string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToGetParameters&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>&amp;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
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<a href="https://github.com/oliverbooth/X10D/new/main/apiSpec/new?filename=X10D_Collections_DictionaryExtensions_ToGetParameters__2_IEnumerable_KeyValuePair___0___1___Func___0_System_String__Func___1_System_Nullable_System_String___.md&amp;value=---%0Auid%3A%20X10D.Collections.DictionaryExtensions.ToGetParameters%60%602(IEnumerable%7BKeyValuePair%7B%60%600%2C%60%601%7D%7D%2CFunc%7B%60%600%2CSystem.String%7D%2CFunc%7B%60%601%2CSystem.Nullable%7BSystem.String%7D%7D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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<a id="X10D_Collections_DictionaryExtensions_ToGetParameters_" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToGetParameters__2_IEnumerable_KeyValuePair___0___1___Func___0_System_String__Func___1_System_Nullable_System_String___" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters``2(IEnumerable{KeyValuePair{``0,``1}},Func{``0,System.String},Func{``1,System.Nullable{System.String}})">ToGetParameters&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, Func&lt;TKey, String&gt;, Func&lt;TValue, Nullable&lt;String&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to a HTTP GET query string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToGetParameters&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source, Func&lt;TKey, string&gt; keySelector, Func&lt;TValue, string?&gt; valueSelector)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TKey, <span class="xref">System.String</span>&gt;</td>
<td><span class="parametername">keySelector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Key"></see> of each element.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TValue, <span class="xref">System.Nullable</span>&lt;<span class="xref">System.String</span>&gt;&gt;</td>
<td><span class="parametername">valueSelector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Value"></see> of each element.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>&amp;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
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<a id="X10D_Collections_DictionaryExtensions_ToGetParameters_" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters*"></a>
<h4 id="X10D_Collections_DictionaryExtensions_ToGetParameters__2_IEnumerable_KeyValuePair___0___1___Func___1_System_Nullable_System_String___" data-uid="X10D.Collections.DictionaryExtensions.ToGetParameters``2(IEnumerable{KeyValuePair{``0,``1}},Func{``1,System.Nullable{System.String}})">ToGetParameters&lt;TKey, TValue&gt;(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, Func&lt;TValue, Nullable&lt;String&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Converts an <see cref="!:IEnumerable&lt;T>"></see> of <see cref="!:KeyValuePair&lt;TKey, TValue>"></see> to a HTTP GET query string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string ToGetParameters&lt;TKey, TValue&gt;(this IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; source, Func&lt;TValue, string?&gt; selector)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">IEnumerable</span>&lt;<span class="xref">KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">source</span></td>
<td><p>The source dictionary.</p>
</td>
</tr>
<tr>
<td><span class="xref">Func</span>&lt;TValue, <span class="xref">System.Nullable</span>&lt;<span class="xref">System.String</span>&gt;&gt;</td>
<td><span class="parametername">selector</span></td>
<td><p>A transform function to apply to the <see cref="!:KeyValuePair&lt;TKey,TValue>.Value"></see> of each element.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><p>A <see cref="!:System.String"></see> representing the dictionary as a key=value set, concatenated with <code>&amp;</code>.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of the key element of the key/value pair.</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of the value element of the key/value pair.</p>
</td>
</tr>
</tbody>
</table>
</article>
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