public AverageConditionalFormat AddAverageCondition( string regionAddress, FormatConditionAboveBelow aboveBelow )
'宣言 Public Function AddAverageCondition( _ ByVal regionAddress As String, _ Optional ByVal aboveBelow As FormatConditionAboveBelow _ ) As AverageConditionalFormat
ConditionalFormatCollection クラス ConditionalFormatCollection メンバ AverageConditionalFormat クラス