<summary> An array of indices to the glyph indices array, of the first glyphs of all the glyph clusters of the glyphs to render. </summary>
<summary> The locale name associated with this run. </summary>
<summary> The text associated with the glyphs. </summary>
<summary> The number of characters (UTF16 code-units). Note that this may be different than the number of glyphs. </summary>
<summary> Corresponding text position in the original string this glyph run came from. </summary>
<summary> The DWRITE_GLYPH_RUN_DESCRIPTION structure contains additional properties related to those in DWRITE_GLYPH_RUN. </summary>