つまり、簡単に言えば、ppt を更新したいのですが、別のワークブック (別のディレクトリ) を選択します。このワークブックは、データが異なるだけで、構造的には古いワークブックと同じになります。
MS-OFFICE 2010 で試行およびテスト済み
コードを理解するのに問題がないように、コードにコメントを付けました。それでもよろしければ、お気軽にお尋ねください。
Option Explicit
Sub UpDateLinks()
'~~> Powerpoint Variables/Objects
Dim ofd As FileDialog
Dim initDir As String
Dim OldSourcePath As String, NewSourcePath As String
'~~> Excel Objects
Dim oXLApp As Object, oXLWb As Object
'~~> Other Variables
Dim sPath As String, OldPath As String, sFullFileOld As String
Dim oldFileName As String, newFileName As String
'Set the initial directory path of File Dialog
initDir = "C:\"
'~~> Get the SourceFullName of the chart. It will be something like
' C:\MyFile.xlsx!Sheet1![MyFile.xlsx]Sheet1 Chart 1
OldSourcePath = ActivePresentation.Slides(1).Shapes(1).LinkFormat.SourceFullName
Set ofd = Application.FileDialog(msoFileDialogFilePicker)
With ofd
.InitialFileName = initDir
.AllowMultiSelect = False
If .Show = -1 Then
'~~> Get the path of the newly selected workbook. It will be something like
' C:\Book2.xlsx
sPath = .SelectedItems(1)
'~~> Launch Excel
Set oXLApp = CreateObject("Excel.Application")
oXLApp.Visible = True
'~~> Open the Excel File. Required to update the chart's source
Set oXLWb = oXLApp.Workbooks.Open(sPath)
'~~> Get the path "C:\MyFile.xlsx" from
'~~> say "C:\MyFile.xlsx!Sheet1![MyFile.xlsx]Sheet1 Chart 1"
OldPath = Split(OldSourcePath, "!")(0)
'~~> Get just the filename "MyFile.xlsx"
oldFileName = GetFilenameFromPath(OldPath)
'~~> Get just the filename "Book2.xlsx" from the newly
'~~> Selected file
newFileName = GetFilenameFromPath(.SelectedItems(1))
'~~> Replace old file with the new file
NewSourcePath = Replace(OldSourcePath, oldFileName, newFileName)
'Debug.Print NewSourcePath
'~~> Change the source and update
ActivePresentation.Slides(1).Shapes(1).LinkFormat.SourceFullName = NewSourcePath
ActivePresentation.Slides(1).Shapes(1).LinkFormat.Update
DoEvents
'~~> Close Excel and clean up
oXLWb.Close (False)
Set oXLWb = Nothing
oXLApp.Quit
Set oXLApp = Nothing
End If
End With
Set ofd = Nothing
End Sub
Public Function GetFilenameFromPath(ByVal strPath As String) As String
If Right$(strPath, 1) <> "\" And Len(strPath) > 0 Then
GetFilenameFromPath = _
GetFilenameFromPath(Left$(strPath, Len(strPath) - 1)) + Right$(strPath, 1)
End If
End Function