UnitOfMeasurement
SpreadsheetHeaderFooterPossibleWatermark.UnitOfMeasurement property
得到这个的计量单位SpreadsheetHeaderFooterPossibleWatermark.
public override UnitOfMeasurement UnitOfMeasurement { get; }
适当的价值
这个的计量单位SpreadsheetHeaderFooterPossibleWatermark.
