<summary>
Get trimming options for text overflowing the layout width.
</summary>
<param name="trimmingOptions">Text trimming options.</param>
<param name="trimmingSign">Trimming omission sign. This parameter may be NULL.</param>
<returns>
Standard HRESULT error code.
</returns>
<summary> Get trimming options for text overflowing the layout width. </summary> <param name="trimmingOptions">Text trimming options.</param> <param name="trimmingSign">Trimming omission sign. This parameter may be NULL.</param> <returns> Standard HRESULT error code. </returns>