# C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles

## Content

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<h1 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectInvalidRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles*">GetEffectInvalidRectangles Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_Direct2D_DeviceContext_GetEffectInvalidRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles*"></a>
<h4 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectInvalidRectangles_C1_Util_DX_Direct2D_Effect_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles(C1.Util.DX.Direct2D.Effect)">GetEffectInvalidRectangles(Effect)</h4>
<div class="markdown level1 summary"><p>Gets the effect invalid rectangles.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public RectF[] GetEffectInvalidRectangles(Effect effect)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function GetEffectInvalidRectangles(effect As Effect) As RectF()</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="C1.Util.DX.Direct2D.Effect.html">Effect</a></td>
      <td><span class="parametername">effect</span></td>
      <td><p>The effect.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectF.html">RectF</a>[]</td>
      <td></td>
    </tr>
  </tbody>
</table>


<a id="C1_Util_DX_Direct2D_DeviceContext_GetEffectInvalidRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles*"></a>
<h4 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectInvalidRectangles_C1_Util_DX_Direct2D_Effect_C1_Util_DX_RectF___System_Int32_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectInvalidRectangles(C1.Util.DX.Direct2D.Effect,C1.Util.DX.RectF[],System.Int32)">GetEffectInvalidRectangles(Effect, RectF[], int)</h4>
<div class="markdown level1 summary"><p>HRESULT ID2D1DeviceContext::GetEffectInvalidRectangles([In] ID2D1Effect* effect,[Out, Buffer] D2D_RECT_F* rectangles,[In] unsigned int rectanglesCount)</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void GetEffectInvalidRectangles(Effect effect, RectF[] rectangles, int rectanglesCount)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub GetEffectInvalidRectangles(effect As Effect, rectangles As RectF(), rectanglesCount As Integer)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="C1.Util.DX.Direct2D.Effect.html">Effect</a></td>
      <td><span class="parametername">effect</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectF.html">RectF</a>[]</td>
      <td><span class="parametername">rectangles</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">rectanglesCount</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
</div>