PPT2000: Sample VB Code to Check for Open Presentation

ID: Q222740


The information in this article applies to:
  • Microsoft PowerPoint 2000


SUMMARY

This article contains a sample Microsoft Visual Basic for Applications function named IsPresentationOpen that determines if a specific presentation is open. A sample macro (Sub procedure) named Driver is also included to demonstrate how to call the IsPresentationOpen function.


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 professionals 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/overview/overview.asp
NOTE: The following macro examples only work from within the PowerPoint application. Visual Basic for Applications macros are not supported by the Microsoft PowerPoint Viewer. For additional information, please see the following article in the Microsoft Knowledge Base:
Q230746 PPT: Viewer: Presentation Macros Don't Run
NOTE: In the following sample, IsPresentationOpen checks to see if a presentation named "test.ppt" is open. In your code, replace this file name with the name of your presentation.

Sample Visual Basic Procedures


   Sub Driver()

      Dim IsOpen As Boolean

      ' Check to see whether test.ppt is open.
      IsOpen = IsPresentationOpen("test.ppt")

      ' Process the return value from IsPresentationOpen.
      If IsOpen = True Then
         MsgBox "The presentation is open.", vbInformation
      Else
         MsgBox "The Presentation is not open.", vbInformation
      End If

   End Sub

   ' Function Name: IsPresentationOpen()
   ' Arguments:     A string that represents the name of the presentation.
   '                The string can include the full path or just the
   '                presentation name.
   ' Returns:       True if the presentation is open
   '                False if the presentation is not open

   Function IsPresentationOpen(strPresName As String) As Boolean

      ' An object reference to a presentation.
      Dim oPresObject As Presentation

      Dim boolIsFullPath As Boolean

      ' Check to see whether the full path was passed.
      If (InStr(1, strPresName, ":\")) = 0 Then
         boolIsFullPath = False
      Else
         boolIsFullPath = True
      End If

      ' Loop through the open presentations.
      For Each oPresObject In PowerPoint.Presentations

         If boolIsFullPath = True Then

            ' Check for a match.
            If (StrComp(oPresObject.FullName, _
                     strPresName, _
                     vbTextCompare) = 0) Then

               IsPresentationOpen = True
               Exit Function
            End If

         Else

            ' Check for a match.
            If (StrComp(oPresObject.Name, _
                     strPresName, _
                     vbTextCompare) = 0) Then
               IsPresentationOpen = True
               Exit Function
            End If

         End If

      Next oPresObject

      ' No match found.
      IsPresentationOpen = False

   End Function 


REFERENCES

For more information about using the sample code in this article, please see the following article in the Microsoft Knowledge Base:

Q212536 OFF2000: How to Run Sample Code from Knowledge Base Articles

Additional query words: 9.00 ppt9 vba vbe ppt2k powerpt vba2k ppt9.0 ppt2000 program programming

Keywords : kbcode kbmacro kbprg kbdta kbdtacode kbpptvba
Version : WINDOWS:2000
Platform : WINDOWS
Issue type : kbhowto


Last Reviewed: July 14, 1999
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