<summary> Set font em height. </summary> <param name="fontSize">Font em height</param> <param name="textRange">Text range to which this change applies.</param> <returns> Standard HRESULT error code. </returns>
See Implementation
<summary> Set font em height. </summary> <param name="fontSize">Font em height</param> <param name="textRange">Text range to which this change applies.</param> <returns> Standard HRESULT error code. </returns>