PPT: Sample Code to List Available Add-Ins

• Microsoft PowerPoint 98 Macintosh Edition
• Microsoft PowerPoint 97 for Windows

SUMMARY

This article contains a sample Microsoft Visual Basic for Applications macro (Sub procedure) that displays a list of add-in files(.ppa or .pwz) available in the current session of Microsoft PowerPoint.

MORE INFORMATION

Microsoft provides programming examples for illustration only, without warranty either expressed or implied, including, but not limited to, the implied warranties of merchantability and/or fitness for a particular purpose. This article assumes that you are familiar with the programming language being demonstrated and the tools used to create and debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific needs. If you have limited programming experience, you may want to contact the Microsoft fee-based consulting line at (800) 936-5200. For more information about the support options available from Microsoft, please see the following page on the World Wide Web:

   http://www.microsoft.com/support/supportnet/refguide/default.asp

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

REFERENCES

For more information about creating Visual Basic for Applications macros, click the Office Assistant in Microsoft PowerPoint, type "how to create a macro," click Search, and then click to view "Create a macro in Visual Basic Editor."

For more information about running Visual Basic for Applications macros, click the Office Assistant in Microsoft PowerPoint, type "how to run a macro," click Search, and then click to view "Run a macro."

NOTE: If the Assistant is hidden, click the Office Assistant button on the Standard toolbar. If the Assistant is not able to answer your query, please see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID: Q176476
   TITLE     : OFF: Office Assistant Not Answering Visual Basic Questions

   ARTICLE-ID: Q163435
   TITLE     : VBA: Programming Resources for Visual Basic for
               Applications