<summary>
Retrieves the vertical forms of the nominal glyphs retrieved from
GetGlyphIndices, using the font's 'vert' table. This is used in
CJK vertical layout so the correct characters are shown.
</summary>
<param name="glyphCount">Number of glyphs to retrieve.</param>
<param name="nominalGlyphIndices">Original glyph indices from cmap.</param>
<param name="verticalGlyphIndices">The vertical form of glyph indices.</param>
<remarks>
Call GetGlyphIndices to get the nominal glyph indices, followed by
calling this to remap the to the substituted forms, when the run
is sideways, and the font has vertical glyph variants.
</remarks>
<returns>
Standard HRESULT error code.
</returns>
<summary> Retrieves the vertical forms of the nominal glyphs retrieved from GetGlyphIndices, using the font's 'vert' table. This is used in CJK vertical layout so the correct characters are shown. </summary> <param name="glyphCount">Number of glyphs to retrieve.</param> <param name="nominalGlyphIndices">Original glyph indices from cmap.</param> <param name="verticalGlyphIndices">The vertical form of glyph indices.</param> <remarks> Call GetGlyphIndices to get the nominal glyph indices, followed by calling this to remap the to the substituted forms, when the run is sideways, and the font has vertical glyph variants. </remarks> <returns> Standard HRESULT error code. </returns>