'Run this macro from the sheet containing your data, after highlightling the data.
Sub Macro3()
'The below code assumes that you have already selected
'the columns containing your data and that the first column,
'and every 2nd column after that contains your legend keys.
Dim rng As Range
Set rng = Selection
Dim colNum As Integer
Dim rowNum As Integer
Dim strLegend As String
Dim rowStart As Integer
Dim colStart As Integer
Dim strSeries As String
Dim i As Integer
Dim seriesNum As Integer
Dim shtName As String
rowStart = rng.Row
colStart = rng.Column
shtName = ActiveSheet.Name & "!"
'Creates an empty chart...
ActiveSheet.Shapes.AddChart.Select
'...of type StackedColumn.
ActiveChart.ChartType = xlColumnStacked
seriesNum = 0
'Select all the cells that match the legend in the first column.
For rowNum = 0 To rng.Rows.Count - 1
strLegend = Cells(rowStart + rowNum, colStart).Value
strSeries = "=" & shtName & Cells(rowStart + rowNum, colStart + 1).Address
For colNum = 2 To rng.Columns.Count - 1 Step 2
For i = 0 To rng.Rows.Count - 1
If Cells(rowStart + i, colStart + colNum).Value = strLegend Then
strSeries = strSeries & "," & shtName & Cells(rowStart + i, colStart + colNum + 1).Address
Exit For
End If
Next
Next
'Create a new series.
ActiveChart.SeriesCollection.NewSeries
seriesNum = seriesNum + 1
'Set the legend.
ActiveChart.SeriesCollection(seriesNum).Name = strLegend
'Set the X axis labels to nothing, so the default is used.
ActiveChart.SeriesCollection(seriesNum).XValues = ""
'Set the series data.
ActiveChart.SeriesCollection(seriesNum).Values = strSeries
Next
'An extra series gets added automatically???
'This code removes it.
If ActiveChart.SeriesCollection.Count > rng.Rows.Count Then
ActiveChart.SeriesCollection(rng.Rows.Count + 1).Delete
End If
End Sub
このコードでは、以下に示すように、凡例の値と数値がそれぞれ別の列にある必要があります。この例では、「タスク 1」などのラベルは使用されていません。
A | 100 | B | 400 | B | 510
B | 200 | A | 200 | A | 300