DOCUMENT:Q163268 13-MAY-2002 [powerpt] TITLE :PPT: Sample Code to Change the Zoom Percentage PRODUCT :Microsoft PowerPoint for Windows PROD/VER:MACINTOSH:98; WINDOWS:97 OPER/SYS: KEYWORDS:kbcode kbmacro kbProgramming kbdta kbdtacode KbVBA _IK11573 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft PowerPoint 98 Macintosh Edition - Microsoft PowerPoint 97 for Windows - Microsoft Visual Basic for Applications ------------------------------------------------------------------------------- SUMMARY ======= This article contains a sample Microsoft Visual Basic for Applications macro (Sub procedure) that reduces the zoom percentage to one-half of the current zoom percentage, and then provides an option to restore the original zoom setting. 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 a Microsoft Certified Partner or the Microsoft fee-based consulting line at (800) 936-5200. For more information about Microsoft Certified Partners, please visit the following Microsoft Web site: http://www.microsoft.com/partner/referral/ For more information about the support options that are available and about how to contact Microsoft, visit the following Microsoft Web site: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS Sample Visual Basic Procedure ----------------------------- Sub ChangeView() ' The smallest percentage you can use is 10%. Const MinViewPercent As Long = 10 ' The largest percentage you can use is 400%. Const MaxViewPercent As Long = 400 ' Stores the results of the MsgBox selection. Dim lResult As Long Dim lCurrentViewPercentage As Long Dim lNewViewPercentage As Long ' Get the current view percentage. lCurrentViewPercentage = ActiveWindow.View.Zoom ' Calculate a new view by dividing the old view by 2. lNewViewPercentage = (lCurrentViewPercentage / 2) ' Check to see if OK to change the percentage. If you apply a view ' percentage less then 10, a run-time error results. This code ' ensures a valid zoom is assigned. If lNewViewPercentage >= MinViewPercent Then ' Assign the calculated percentage to the zoom percentage. ActiveWindow.View.Zoom = lNewViewPercentage Else ' If percentage goes out of range set to minimum level. ActiveWindow.View.Zoom = MinViewPercent End If ' See whether a change was made to the zoom percentage. If lCurrentViewPercentage = ActiveWindow.View.Zoom Then ' No change was made. MsgBox "No change was made. Your zoom percentage is already " _ & "set to the minimum percentage.", vbInformation, _ "Minumin Already Set" Else ' A change to the zoom percentage was made. ' Option to restore the original zoom percentage. lResult = MsgBox("The zoom percentage was changed to " _ & ActiveWindow.View.Zoom & "%. " _ & "Do you want to restore your original " _ & "zoom percentage of " & lCurrentViewPercentage _ & "%?", vbYesNo, "Restore Original Percentage") ' See whether they clicked the Yes button. If lResult = vbYes Then ActiveWindow.View.Zoom = lCurrentViewPercentage End If End If 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" (without the quotation marks), 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" (without the quotation marks), 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: Q176476 OFF: Office Assistant Not Answering Visual Basic Questions For more information about getting help with Visual Basic for Applications, please see the following article in the Microsoft Knowledge Base: Q163435 VBA: Programming Resources for Visual Basic for Applications Additional query words: 8.00 ppt8 vba vbe vb macppt mac_ppt ppt98 powerpt ====================================================================== Keywords : kbcode kbmacro kbProgramming kbdta kbdtacode KbVBA _IK11573 Technology : kbHWMAC kbOSMAC kbPowerPtSearch kbZNotKeyword6 kbPowerPt97 kbPowerPt97Search kbPowerPt98Search kbPowerPt98 kbVBASearch kbZNotKeyword3 Version : MACINTOSH:98; WINDOWS:97 Hardware : MAC x86 Issue type : kbhowto ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.