VBScript - Add a Macro to an Excel Spreadsheet
Set objExcel = CreateObject("Excel.Application")
objExcel.Visible = True
objExcel.DisplayAlerts = False
Set objWorkbook = objExcel.Workbooks.Open("C:\scripts\test.xls")
Set xlmodule = objworkbook.VBProject.VBComponents.Add(1)
strCode = _
"sub test()" & vbCr & _
" msgbox ""Inside the macro"" " & vbCr & _
"end sub"
xlmodule.CodeModule.AddFromString strCode
objWorkbook.SaveAs "c:\scripts\test.xls"
objExcel.Quit
[Via]