# C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectRequiredInputRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles*">GetEffectRequiredInputRectangles Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_Direct2D_DeviceContext_GetEffectRequiredInputRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles*"></a>
<h4 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectRequiredInputRectangles_C1_Util_DX_Direct2D_Effect_C1_Util_DX_Direct2D_EffectInputDescription___" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles(C1.Util.DX.Direct2D.Effect,C1.Util.DX.Direct2D.EffectInputDescription[])">GetEffectRequiredInputRectangles(Effect, EffectInputDescription[])</h4>
<div class="markdown level1 summary"><p>Gets the effect required input rectangles.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public RectF[] GetEffectRequiredInputRectangles(Effect renderEffect, EffectInputDescription[] inputDescriptions)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function GetEffectRequiredInputRectangles(renderEffect As Effect, inputDescriptions As EffectInputDescription()) As RectF()</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">renderEffect</span></td>
      <td><p>The render effect.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.Direct2D.EffectInputDescription.html">EffectInputDescription</a>[]</td>
      <td><span class="parametername">inputDescriptions</span></td>
      <td><p>The input descriptions.</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_GetEffectRequiredInputRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles*"></a>
<h4 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectRequiredInputRectangles_C1_Util_DX_Direct2D_Effect_C1_Util_DX_RectF_C1_Util_DX_Direct2D_EffectInputDescription___" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles(C1.Util.DX.Direct2D.Effect,C1.Util.DX.RectF,C1.Util.DX.Direct2D.EffectInputDescription[])">GetEffectRequiredInputRectangles(Effect, RectF, EffectInputDescription[])</h4>
<div class="markdown level1 summary"><p>Gets the effect required input rectangles.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public RectF[] GetEffectRequiredInputRectangles(Effect renderEffect, RectF renderImageRectangle, EffectInputDescription[] inputDescriptions)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function GetEffectRequiredInputRectangles(renderEffect As Effect, renderImageRectangle As RectF, inputDescriptions As EffectInputDescription()) As RectF()</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">renderEffect</span></td>
      <td><p>The render effect.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectF.html">RectF</a></td>
      <td><span class="parametername">renderImageRectangle</span></td>
      <td><p>The render image rectangle.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.Direct2D.EffectInputDescription.html">EffectInputDescription</a>[]</td>
      <td><span class="parametername">inputDescriptions</span></td>
      <td><p>The input descriptions.</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_GetEffectRequiredInputRectangles_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles*"></a>
<h4 id="C1_Util_DX_Direct2D_DeviceContext_GetEffectRequiredInputRectangles_C1_Util_DX_Direct2D_Effect_System_Nullable_C1_Util_DX_RectF__C1_Util_DX_Direct2D_EffectInputDescription___C1_Util_DX_RectF___System_Int32_" data-uid="C1.Util.DX.Direct2D.DeviceContext.GetEffectRequiredInputRectangles(C1.Util.DX.Direct2D.Effect,System.Nullable{C1.Util.DX.RectF},C1.Util.DX.Direct2D.EffectInputDescription[],C1.Util.DX.RectF[],System.Int32)">GetEffectRequiredInputRectangles(Effect, RectF?, EffectInputDescription[], RectF[], int)</h4>
<div class="markdown level1 summary"><p>HRESULT ID2D1DeviceContext::GetEffectRequiredInputRectangles([In] ID2D1Effect* renderEffect,[In, Optional] const D2D_RECT_F* renderImageRectangle,[In, Buffer] const D2D1_EFFECT_INPUT_DESCRIPTION* inputDescriptions,[Out, Buffer] D2D_RECT_F* requiredInputRects,[In] unsigned int inputCount)</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void GetEffectRequiredInputRectangles(Effect renderEffect, RectF? renderImageRectangle, EffectInputDescription[] inputDescriptions, RectF[] requiredInputRects, int inputCount)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub GetEffectRequiredInputRectangles(renderEffect As Effect, renderImageRectangle As RectF?, inputDescriptions As EffectInputDescription(), requiredInputRects As RectF(), inputCount 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">renderEffect</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectF.html">RectF</a>?</td>
      <td><span class="parametername">renderImageRectangle</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.Direct2D.EffectInputDescription.html">EffectInputDescription</a>[]</td>
      <td><span class="parametername">inputDescriptions</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectF.html">RectF</a>[]</td>
      <td><span class="parametername">requiredInputRects</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">inputCount</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
</div>