# C1.WPF.SpellChecker.C1SpellChecker.MainDictionary

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<h1 id="C1_WPF_SpellChecker_C1SpellChecker_MainDictionary_" data-uid="C1.WPF.SpellChecker.C1SpellChecker.MainDictionary*">MainDictionary Property
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<h4 id="C1_WPF_SpellChecker_C1SpellChecker_MainDictionary" data-uid="C1.WPF.SpellChecker.C1SpellChecker.MainDictionary">MainDictionary</h4>
<div class="markdown level1 summary"><p>Gets the main dictionary used for spell-checking.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public SpellDictionary MainDictionary { get; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public ReadOnly Property MainDictionary As SpellDictionary</code></pre>
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<h5 id="C1_WPF_SpellChecker_C1SpellChecker_MainDictionary_remarks">Remarks</h5>
<div class="markdown level1 remarks"><pre><code>&lt;p&gt;This is the main dictionary. It is stored in a compressed format, and is read-only.&lt;/p&gt;
&lt;p&gt;You can edit the spell dictionaries or create your own using the
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<p><b>C1DictionaryEditor</b> utility that ships with <a class="xref" href="C1.WPF.SpellChecker.C1SpellChecker.html">C1SpellChecker</a>.
This option can be useful for domain-specific applications that require the
use of technical jargon (for example, medical, legal, and so on).</p>
<p>Users cannot add words to this dictionary, only to the <a class="xref" href="C1.WPF.SpellChecker.C1SpellChecker.UserDictionary.html#C1_WPF_SpellChecker_C1SpellChecker_UserDictionary">UserDictionary</a>.</p>
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