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With this code you can build a chart in Excel using only code. Excel will open, save the file, create a new Word document and insert the Excel chart into the Word document without the user ever seeing it. After it's done, the Excel file is erased from the hard drive.
Dim xlsapp As New Excel.Application()
Dim xlsBook As Excel.Workbook
Dim xlsdoc As Excel.Worksheet
Dim xlschart As Excel.Chart
xlsBook = xlsapp.Workbooks.Add
xlsdoc = xlsBook.Worksheets.Add
xlschart = xlsBook.Charts.Add
'Here we are just filling some cells with values to build our chart
With xlsdoc
.Range("A4").Value = "1000mhz"
.Range("A5").Value = "2000mhz"
.Range("A6").Value = "3000mhz"
.Range("A7").Value = "4000mhz"
.Range("A8").Value = "5000mhz"
.Range("B4").Value = "30"
.Range("B5").Value = "45"
.Range("B6").Value = "40"
.Range("B7").Value = "50"
.Range("B8").Value = "20"
.Range("C4").Value = "40"
.Range("C5").Value = "40"
.Range("C6").Value = "50"
.Range("C7").Value = "30"
.Range("C8").Value = "30"
End With
This is where the fun begins
Dim xlsAxisCategory, xlsAxisValue As Excel.Axes
Dim xlsSerie As Excel.SeriesCollection = xlschart.SeriesCollection
With xlschart
.ChartType = Excel.XlChartType.xlLine 'Here we are setting the type of
chart we want
.SetSourceData(xlsdoc.Range("A4:C8")) 'This is the range from where the
chart will be built
xlsAxisCategory = .Axes(, Excel.XlAxisGroup.xlPrimary)
xlsAxisCategory.Item(Excel.XlAxisType.xlCategory).HasTitle = True
xlsAxisCategory.Item(Excel.XlAxisType.xlCategory).AxisTitle.Characters.Text
= "Megahertz"
xlsAxisCategory.Item(Excel.XlAxisType.xlCategory).HasMajorGridlines = False
xlsAxisCategory.Item(Excel.XlAxisType.xlCategory).HasMinorGridlines = False
xlsAxisValue = .Axes(, Excel.XlAxisGroup.xlPrimary)
xlsAxisValue.Item(Excel.XlAxisType.xlValue).HasTitle = True
xlsAxisValue.Item(Excel.XlAxisType.xlValue).AxisTitle.Characters.Text
= "Decibels"
xlsAxisValue.Item(Excel.XlAxisType.xlValue).HasMajorGridlines = False
xlsAxisValue.Item(Excel.XlAxisType.xlValue).HasMinorGridlines = False
.PlotArea.Interior.ColorIndex = 2
.ChartArea.Interior.ColorIndex = 2
.ChartArea.Interior.PatternColorIndex = 1
xlsSerie.Item(1).Name = "First set of values"
xlsSerie.Item(2).Name = "Second set of values"
.Location(Excel.XlChartLocation.xlLocationAsNewSheet)
xlsBook.SaveAs(Application.StartupPath & "MyNewChart.xls")
End With
xlsapp.Quit()
xlsapp = Nothing
'At the top of the form:
Imports System.IO
' In the "Word File" Button Click event:
Dim app As New Word.Application()
Dim doc As New Word.Document()
doc = app.Documents.Add()
doc.Shapes.AddOLEObject(, Application.StartupPath
& "\MyNewChart.xls", , , , , , , "300", "380", "320")
app.Visible = True
File.Delete(Application.StartupPath & "MyNewChart.xls")This was first published in March 2004