# C1.WPF.Extended.C1Book.DropTolerance

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<h1 id="C1_WPF_Extended_C1Book_DropTolerance_" data-uid="C1.WPF.Extended.C1Book.DropTolerance*">DropTolerance Property
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<a id="C1_WPF_Extended_C1Book_DropTolerance_" data-uid="C1.WPF.Extended.C1Book.DropTolerance*"></a>
<h4 id="C1_WPF_Extended_C1Book_DropTolerance" data-uid="C1.WPF.Extended.C1Book.DropTolerance">DropTolerance</h4>
<div class="markdown level1 summary"><p>Gets or sets the position where pages begin to turn when dropped. If the value is 0.0, the default, pages only turns if dropped over the opposite page. Positive values are understood of a proportion of the page width that still trigger a page turn.  If value is 0.1, dropping a left page 10 percent to the left of the center of the book still turns the page.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public double DropTolerance { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property DropTolerance As Double</code></pre>
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