<summary>
Obtains the length of the absolute file path from the font file reference key.
</summary>
<param name="fontFileReferenceKey">Font file reference key that uniquely identifies the local font file
within the scope of the font loader being used.</param>
<param name="fontFileReferenceKeySize">Size of font file reference key in bytes.</param>
<param name="filePathLength">Length of the file path string not including the terminated NULL character.</param>
<returns>
Standard HRESULT error code.
</returns>
<summary> Obtains the length of the absolute file path from the font file reference key. </summary> <param name="fontFileReferenceKey">Font file reference key that uniquely identifies the local font file within the scope of the font loader being used.</param> <param name="fontFileReferenceKeySize">Size of font file reference key in bytes.</param> <param name="filePathLength">Length of the file path string not including the terminated NULL character.</param> <returns> Standard HRESULT error code. </returns>