public Nullable<DeviceUnitLength> SpacingBefore {get; set;}
'宣言 Public Property SpacingBefore As Nullable(Of DeviceUnitLength)
WordParagraphSettings クラス WordParagraphSettings メンバ SpacingBeforeProperty フィールド SpacingAfter プロパティ Infragistics.Documents.Word.ParagraphProperties.SpacingBefore
