OFF97: Sample VBA Code to Create a Graph from a Text File

Sample Visual Basic Procedure

Sub CreateGraphFromFile()
   Dim oGraph As Object
   Dim oDataSheet As Object
   Dim shpGraph As PowerPoint.Shape
   Dim lRowCnt As Long
   Dim lColCnt As Long
   Dim lValue As Long
   ' Add the graph to the slide.
   With ActivePresentation.Slides(1)
      ' Create the Graph object on the slide.
      Set shpGraph = .Shapes.AddOLEObject(ClassName:="MSGraph.Chart", _
                                        Link:=msoFalse)
   End With
   ' Set references.
   Set oGraph = shpGraph.OLEFormat.Object
   Set oDataSheet = oGraph.Application.DataSheet
   ' Place headers into data table.
   ' Create four column headers.
   oDataSheet.Cells(1, 2).Value = "Col1"
   oDataSheet.Cells(1, 3).Value = "Col2"
   oDataSheet.Cells(1, 4).Value = "Col3"
   oDataSheet.Cells(1, 5).Value = "Col4"
   ' Create four row headers.
   oDataSheet.Cells(2, 1).Value = "Row1"
   oDataSheet.Cells(3, 1).Value = "Row2"
   oDataSheet.Cells(4, 1).Value = "Row3"
   oDataSheet.Cells(5, 1).Value = "Row4"
   ' We already know the number of columns and rows
   ' from the data we are importing.
   Open "<YourPathAndFileNameHere>" For Input As #1
   ' Get four rows of data.
   For lRowCnt = 2 To 5
      For lColCnt = 2 To 5
         ' Get value from file.
         Input #1, lValue
         ' Place in data table.
         oDataSheet.Cells(lRowCnt, lColCnt).Value = lValue
      Next lColCnt
   Next lRowCnt
   Close #1
   ' Release the reference.
   Set oGraph = Nothing
   Set oDataSheet = Nothing
End Sub