PPT: Sample Code to List Available Add-Ins

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Sample Visual Basic Procedure

  Sub DisplayAddins()

      Dim lTotalAddins As Long
      Dim oAddIn As AddIn

      ' Used to build the dialog box.
      Dim strPrompt As String
      Dim strAvailable As String
      Dim strLoaded As String
      Dim strTitle As String

      ' Get the total number of Addins.
      lTotalAddins = PowerPoint.AddIns.Count

      Select Case lTotalAddins

         Case 0

            ' No add-ins are Available.
            strTitle = "No Add-Ins"
            strPrompt = "You currently have no PowerPoint" _
               & " Add-Ins installed."

         Case Else

            If lTotalAddins = 1 Then

               ' One add-in available
               strTitle = "One Add-In"
               strPrompt = oAddIn.FullName

            Else

               ' Set up the title for the dialog box.
               strTitle = lTotalAddins & " Add-Ins Available"

               ' Set the loaded and available list.
               strLoaded = "Loaded: " & Chr(13)
               strAvailable = Chr(13) & "Available: " & Chr(13)

               ' Loop through the add-ins collection.
               For Each oAddIn In PowerPoint.AddIns

                  If oAddIn.Loaded = msoTrue Then

                     strLoaded = strLoaded & Chr(9) & oAddIn.FullName _
                        & Chr(13)

                  Else

                     strAvailable = strAvailable & Chr(9) _
                        & oAddIn.FullName & Chr(13)

                  End If

               Next oAddIn

               ' Combine the add-in loaded list with available add-ins
               ' list.
               strPrompt = strLoaded & strAvailable

            End If

      End Select

      ' Display the dialog box.
      MsgBox strPrompt, vbInformation, strTitle

   End Sub