'宣言 Protected MustOverride Function SetCellAxisAndMeasure( _ ByVal cell As PivotHeaderCell, _ ByVal currentLastAxisIndex As Integer, _ ByVal cellSize As Size, _ ByRef axis As INotifyPropertyChanged _ ) As Double
protected abstract double SetCellAxisAndMeasure( PivotHeaderCell cell, int currentLastAxisIndex, Size cellSize, out INotifyPropertyChanged axis )