# C1.Util.DX.DirectWrite.FontFallback

## Content

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  <h1 id="C1_Util_DX_DirectWrite_FontFallback" data-uid="C1.Util.DX.DirectWrite.FontFallback" class="text-break">FontFallback Class
</h1>
  <div class="markdown level0 summary"><p>IDWriteFontFallback</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="C1.Util.DX.DisposeBase.html">DisposeBase</a></div>
    <div class="level2"><a class="xref" href="C1.Util.DX.CppObject.html">CppObject</a></div>
    <div class="level3"><a class="xref" href="C1.Util.DX.ComObject.html">ComObject</a></div>
    <div class="level4"><span class="xref">FontFallback</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
    <div><a class="xref" href="C1.Util.DX.IUnknown.html">IUnknown</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Util.DX.DirectWrite.html">C1.Util.DX.DirectWrite</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.DX.4.6.2.dll</h6>
  <h5 id="C1_Util_DX_DirectWrite_FontFallback_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[Guid(&quot;EFA008F9-F7A1-48BF-B05C-F224713CC0FF&quot;)]
public class FontFallback : ComObject, IDisposable, IUnknown</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;Guid(&quot;EFA008F9-F7A1-48BF-B05C-F224713CC0FF&quot;)&gt;
Public Class FontFallback
    Inherits ComObject
    Implements IDisposable, IUnknown</code></pre>
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  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_DirectWrite_FontFallback__ctor_System_IntPtr_" data-uid="C1.Util.DX.DirectWrite.FontFallback.#ctor(System.IntPtr)">
          <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.-ctor.html#C1_Util_DX_DirectWrite_FontFallback__ctor_System_IntPtr_">FontFallback(IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.html">FontFallback</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_DirectWrite_FontFallback_MapCharacters_C1_Util_DX_DirectWrite_TextAnalysisSource_System_Int32_System_Int32_C1_Util_DX_DirectWrite_FontCollection_System_String_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__" data-uid="C1.Util.DX.DirectWrite.FontFallback.MapCharacters(C1.Util.DX.DirectWrite.TextAnalysisSource,System.Int32,System.Int32,C1.Util.DX.DirectWrite.FontCollection,System.String,C1.Util.DX.DirectWrite.FontWeight,C1.Util.DX.DirectWrite.FontStyle,C1.Util.DX.DirectWrite.FontStretch,System.Int32@,System.Single@)">
          <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.MapCharacters.html#C1_Util_DX_DirectWrite_FontFallback_MapCharacters_C1_Util_DX_DirectWrite_TextAnalysisSource_System_Int32_System_Int32_C1_Util_DX_DirectWrite_FontCollection_System_String_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__">MapCharacters(TextAnalysisSource, int, int, FontCollection, string, FontWeight, FontStyle, FontStretch, out int, out float)</a>
        </td>
        <td class="markdown level1 summary"><p>Determines an appropriate font to use to render the range of text.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_DirectWrite_FontFallback_MapCharacters_System_IntPtr_System_Int32_System_Int32_C1_Util_DX_DirectWrite_FontCollection_System_String_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__" data-uid="C1.Util.DX.DirectWrite.FontFallback.MapCharacters(System.IntPtr,System.Int32,System.Int32,C1.Util.DX.DirectWrite.FontCollection,System.String,C1.Util.DX.DirectWrite.FontWeight,C1.Util.DX.DirectWrite.FontStyle,C1.Util.DX.DirectWrite.FontStretch,System.Int32@,System.Single@)">
          <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.MapCharacters.html#C1_Util_DX_DirectWrite_FontFallback_MapCharacters_System_IntPtr_System_Int32_System_Int32_C1_Util_DX_DirectWrite_FontCollection_System_String_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__">MapCharacters(IntPtr, int, int, FontCollection, string, FontWeight, FontStyle, FontStretch, out int, out float)</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IDWriteFontFallback::MapCharacters(IDWriteTextAnalysisSource* source, UINT32 textPosition, UINT32 textLength, [in, optional] IDWriteFontCollection* baseFontCollection, [in, optional] wchar_t* baseFamilyName, DWRITE_FONT_WEIGHT baseWeight, DWRITE_FONT_STYLE baseStyle, DWRITE_FONT_STRETCH baseStretch, [out] UINT32* mappedLength, [out] IDWriteFont** mappedFont, [out] FLOAT* scale)</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_DirectWrite_FontFallback_MapCharacters_System_IntPtr_System_Int32_System_Int32_System_IntPtr_System_IntPtr_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__" data-uid="C1.Util.DX.DirectWrite.FontFallback.MapCharacters(System.IntPtr,System.Int32,System.Int32,System.IntPtr,System.IntPtr,C1.Util.DX.DirectWrite.FontWeight,C1.Util.DX.DirectWrite.FontStyle,C1.Util.DX.DirectWrite.FontStretch,System.Int32@,System.Single@)">
          <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.MapCharacters.html#C1_Util_DX_DirectWrite_FontFallback_MapCharacters_System_IntPtr_System_Int32_System_Int32_System_IntPtr_System_IntPtr_C1_Util_DX_DirectWrite_FontWeight_C1_Util_DX_DirectWrite_FontStyle_C1_Util_DX_DirectWrite_FontStretch_System_Int32__System_Single__">MapCharacters(IntPtr, int, int, IntPtr, IntPtr, FontWeight, FontStyle, FontStretch, out int, out float)</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IDWriteFontFallback::MapCharacters(IDWriteTextAnalysisSource* source, UINT32 textPosition, UINT32 textLength, [in, optional] IDWriteFontCollection* baseFontCollection, [in, optional] wchar_t* baseFamilyName, DWRITE_FONT_WEIGHT baseWeight, DWRITE_FONT_STYLE baseStyle, DWRITE_FONT_STRETCH baseStretch, [out] UINT32* mappedLength, [out] IDWriteFont** mappedFont, [out] FLOAT* scale)</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="operators">Operators
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_DirectWrite_FontFallback_op_Explicit_System_IntPtr__C1_Util_DX_DirectWrite_FontFallback" data-uid="C1.Util.DX.DirectWrite.FontFallback.op_Explicit(System.IntPtr)~C1.Util.DX.DirectWrite.FontFallback">
          <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.op_Explicit.html#C1_Util_DX_DirectWrite_FontFallback_op_Explicit_System_IntPtr__C1_Util_DX_DirectWrite_FontFallback">explicit operator FontFallback(IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>Performs an explicit conversion from <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.intptr">IntPtr</a> to <a class="xref" href="C1.Util.DX.DirectWrite.FontFallback.html">FontFallback</a>.</p>
</td>
      </tr>
    </tbody>
  </table>

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