そうです、refedit ボックスに表示されているのと同じ数式を実際に取得することはできません...作業中のシリーズの .Formula または .FormulaR1C1 プロパティを操作し、数式を再構築して設定する必要がありますそれを values および/または xvalues プロパティに追加します。
このコードは機能するはずです。式のさまざまな部分を引き出すための関数がいくつかあります...あなたのために機能するはずです。または、少なくともうまくいけば、何が最善かを理解するのに役立ちます...
Sub ChangeActiveChartData()
ChangeChartData ActiveChart
End Sub
Sub ChangeChartData(TheChart As Chart)
If TheChart Is Nothing Then Exit Sub
Dim TheSeries As Series
Set TheSeries = TheChart.SeriesCollection(1)
Dim TheForm As String
TheForm = TheSeries.FormulaR1C1
Dim XValsForm As String
XValsForm = GetXValuesFromFormula(TheForm)
Debug.Print XValsForm
XValsForm = GetRangeFormulaFromFormula(XValsForm)
Debug.Print XValsForm
Dim ValsForm As String
ValsForm = GetValuesFromFormula(TheForm)
Debug.Print ValsForm
ValsForm = GetRangeFormulaFromFormula(ValsForm)
Debug.Print ValsForm
XValsForm = "=" & TheChart.Parent.Parent.Name & "!" & XValsForm ' TheChart's parents parent is the worksheet; we're assuming the chart is embedded in a worksheet
ValsForm = "=" & TheChart.Parent.Parent.Name & "!" & ValsForm
TheSeries.XValues = XValsForm
TheSeries.Values = ValsForm
End Sub
Function GetXValuesFromFormula(SeriesFormula As String) As String
' Find string between first and second commas
Dim FormulaParts() As String
FormulaParts = Split(SeriesFormula, ",")
GetXValuesFromFormula = FormulaParts(1)
End Function
Function GetValuesFromFormula(SeriesFormula As String) As String
' Find string between second and third commas
Dim FormulaParts() As String
FormulaParts = Split(SeriesFormula, ",")
GetValuesFromFormula = FormulaParts(2)
End Function
Function GetRangeFormulaFromFormula(TheFormula As String) As String
' return to the right of the ! character in theformula
Dim ExclamPos As Integer
ExclamPos = InStrRev(TheFormula, "!")
If ExclamPos > 0 Then
GetRangeFormulaFromFormula = Right(TheFormula, Len(TheFormula) - ExclamPos)
Else
GetRangeFormulaFromFormula = TheFormula
End If
End Function