<summary> Character code used as the delimiter signaling the beginning of the portion of text to be preserved, most useful for path ellipsis, where the delimiter would be a slash. </summary>
<summary> How many occurrences of the delimiter to step back. </summary>
<summary> Text granularity of which trimming applies. </summary>
<summary> The DWRITE_TRIMMING structure specifies the trimming option for text overflowing the layout box. </summary>