# GrapeCity.Documents.Imaging.Skia.PngOptions.FilterFlags

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<h1 id="GrapeCity_Documents_Imaging_Skia_PngOptions_FilterFlags_" data-uid="GrapeCity.Documents.Imaging.Skia.PngOptions.FilterFlags*">FilterFlags Property
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<h4 id="GrapeCity_Documents_Imaging_Skia_PngOptions_FilterFlags" data-uid="GrapeCity.Documents.Imaging.Skia.PngOptions.FilterFlags">FilterFlags</h4>
<div class="markdown level1 summary"><p>Gets or sets the filtering flags.
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This enumeration supports a bitwise combination of its member values.
If a single filter is chosen, then that filter will be used for every row.
If multiple filters are chosen, then a heuristic will be used to guess
which filter will encode smallest, then apply that filter. This happens
on a per row basis, different rows can use different filters.
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Using a single filter (or less filters) is typically faster. Trying all of the filters may help minimize the output file size.
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The default value is <a class="xref" href="GrapeCity.Documents.Imaging.Skia.PngFilterFlags.html#GrapeCity_Documents_Imaging_Skia_PngFilterFlags_AllFilters">AllFilters</a>.
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public PngFilterFlags FilterFlags { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property FilterFlags As PngFilterFlags</code></pre>
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