# GrapeCity.Viewer.Common.DelegateCommand-1.RaiseCanExecuteChanged

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<h1 id="GrapeCity_Viewer_Common_DelegateCommand_1_RaiseCanExecuteChanged_" data-uid="GrapeCity.Viewer.Common.DelegateCommand`1.RaiseCanExecuteChanged*">RaiseCanExecuteChanged Method
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<a id="GrapeCity_Viewer_Common_DelegateCommand_1_RaiseCanExecuteChanged_" data-uid="GrapeCity.Viewer.Common.DelegateCommand`1.RaiseCanExecuteChanged*"></a>
<h4 id="GrapeCity_Viewer_Common_DelegateCommand_1_RaiseCanExecuteChanged" data-uid="GrapeCity.Viewer.Common.DelegateCommand`1.RaiseCanExecuteChanged">RaiseCanExecuteChanged()</h4>
<div class="markdown level1 summary"><p>Raises the CanExecuteChanged event from external code.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void RaiseCanExecuteChanged()</code></pre>
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