# C1.Win.Schedule.C1Schedule.BeginUpdate

## Content

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<h1 id="C1_Win_Schedule_C1Schedule_BeginUpdate_" data-uid="C1.Win.Schedule.C1Schedule.BeginUpdate*">BeginUpdate Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Schedule_C1Schedule_BeginUpdate_" data-uid="C1.Win.Schedule.C1Schedule.BeginUpdate*"></a>
<h4 id="C1_Win_Schedule_C1Schedule_BeginUpdate" data-uid="C1.Win.Schedule.C1Schedule.BeginUpdate">BeginUpdate()</h4>
<div class="markdown level1 summary"><p>Prevents the control from drawing until the <a class="xref" href="C1.Win.Schedule.C1Schedule.EndUpdate.html#C1_Win_Schedule_C1Schedule_EndUpdate">EndUpdate()</a> method
is called.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void BeginUpdate()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub BeginUpdate()</code></pre>
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<h5 id="C1_Win_Schedule_C1Schedule_BeginUpdate_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Call to <a class="xref" href="C1.Win.Schedule.C1Schedule.BeginUpdate.html#C1_Win_Schedule_C1Schedule_BeginUpdate">BeginUpdate()</a> method must be paired with
a call to <a class="xref" href="C1.Win.Schedule.C1Schedule.EndUpdate.html#C1_Win_Schedule_C1Schedule_EndUpdate">EndUpdate()</a> method.
Use try ... finally statements to ensure that <a class="xref" href="C1.Win.Schedule.C1Schedule.EndUpdate.html#C1_Win_Schedule_C1Schedule_EndUpdate">EndUpdate()</a> method
is always called.</p>
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