# C1.Framework.Drawing.Gdi.TransformMatrix.InverseTransform

## Content

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<h1 id="C1_Framework_Drawing_Gdi_TransformMatrix_InverseTransform_" data-uid="C1.Framework.Drawing.Gdi.TransformMatrix.InverseTransform*">InverseTransform Method
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<a id="C1_Framework_Drawing_Gdi_TransformMatrix_InverseTransform_" data-uid="C1.Framework.Drawing.Gdi.TransformMatrix.InverseTransform*"></a>
<h4 id="C1_Framework_Drawing_Gdi_TransformMatrix_InverseTransform_C1_Framework_Drawing_Gdi_Coordinate_" data-uid="C1.Framework.Drawing.Gdi.TransformMatrix.InverseTransform(C1.Framework.Drawing.Gdi.Coordinate)">InverseTransform(Coordinate)</h4>
<div class="markdown level1 summary"><p>Inverse transform a <a class="xref" href="C1.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a> object to a new <a class="xref" href="C1.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a> object.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public Coordinate InverseTransform(Coordinate value)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Function InverseTransform(value As Coordinate) As Coordinate</code></pre>
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<h5 class="parameters">Parameters</h5>
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    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="C1.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>A <a class="xref" href="C1.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a> object indicats the old value.</p>
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    </tr>
  </tbody>
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<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.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a></td>
      <td><p>A <a class="xref" href="C1.Framework.Drawing.Gdi.Coordinate.html">Coordinate</a> object indicats the new value.</p>
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    </tr>
  </tbody>
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<h5 id="C1_Framework_Drawing_Gdi_TransformMatrix_InverseTransform_C1_Framework_Drawing_Gdi_Coordinate__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>x = ((x' - Dx) * M22 - (y' - Dy) * M21) / (M11 * M22 - M12 * M21)
y = ((y' - Dy) * M11 - (x' - Dx) * M12) / (M11 * M22 - M12 * M21)</p>
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