<summary>
Set line spacing.
</summary>
<param name="lineSpacingMethod">How to determine line height.</param>
<param name="lineSpacing">The line height, or rather distance between one baseline to another.</param>
<param name="baseline">Distance from top of line to baseline. A reasonable ratio to lineSpacing is 80%.</param>
<remarks>
For the default method, spacing depends solely on the content.
For uniform spacing, the given line height will override the content.
</remarks>
<returns>
Standard HRESULT error code.
</returns>
<summary> Set line spacing. </summary> <param name="lineSpacingMethod">How to determine line height.</param> <param name="lineSpacing">The line height, or rather distance between one baseline to another.</param> <param name="baseline">Distance from top of line to baseline. A reasonable ratio to lineSpacing is 80%.</param> <remarks> For the default method, spacing depends solely on the content. For uniform spacing, the given line height will override the content. </remarks> <returns> Standard HRESULT error code. </returns>