<summary>
Creates a font collection using a custom font collection loader.
</summary>
<param name="collectionLoader">Application-defined font collection loader, which must have been previously
registered using RegisterFontCollectionLoader.</param>
<param name="collectionKey">Key used by the loader to identify a collection of font files.</param>
<param name="collectionKeySize">Size in bytes of the collection key.</param>
<param name="fontCollection">Receives a pointer to the system font collection object, or NULL in case of failure.</param>
<returns>
Standard HRESULT error code.
</returns>
<summary> Creates a font collection using a custom font collection loader. </summary> <param name="collectionLoader">Application-defined font collection loader, which must have been previously registered using RegisterFontCollectionLoader.</param> <param name="collectionKey">Key used by the loader to identify a collection of font files.</param> <param name="collectionKeySize">Size in bytes of the collection key.</param> <param name="fontCollection">Receives a pointer to the system font collection object, or NULL in case of failure.</param> <returns> Standard HRESULT error code. </returns>