'宣言 Protected MustOverride Function IsValid( _ ByVal row As Integer, _ ByVal column As Integer, _ ByVal value As Object _ ) As Boolean
'宣言
Protected MustOverride Function IsValid( _ ByVal row As Integer, _ ByVal column As Integer, _ ByVal value As Object _ ) As Boolean
protected abstract bool IsValid( int row, int column, object value )
true
false
HighlightConditionalFormattingRule クラス HighlightConditionalFormattingRule メンバ
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