<summary>
Get line spacing.
</summary>
<param name="lineSpacingMethod">How line height is determined.</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.</param>
<returns>
Standard HRESULT error code.
</returns>
<summary> Get line spacing. </summary> <param name="lineSpacingMethod">How line height is determined.</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.</param> <returns> Standard HRESULT error code. </returns>