# C1.Report.FieldBase.OnPropertyChanged

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<h1 id="C1_Report_FieldBase_OnPropertyChanged_" data-uid="C1.Report.FieldBase.OnPropertyChanged*">OnPropertyChanged Method
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<h4 id="C1_Report_FieldBase_OnPropertyChanged" data-uid="C1.Report.FieldBase.OnPropertyChanged">OnPropertyChanged()</h4>
<div class="markdown level1 summary"><p>Marks the owner report as dirty so it will clear the internal cache and render again.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public override void OnPropertyChanged()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overrides Sub OnPropertyChanged()</code></pre>
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<h5 class="overrides">Overrides</h5>
<div><span class="xref">C1.Report.ReportObject.OnPropertyChanged()</span></div>
<h5 id="C1_Report_FieldBase_OnPropertyChanged_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>This is useful in the implementation of custom fields (classes based on <a class="xref" href="C1.Report.Field.html">Field</a>).</p>
<p>After changing the value of any properties that affect the field's appearance, call this method 
to ensure that the report will be re-generated and the changes will be visible.</p>
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