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Invoke PPT and run a macro from VB

Sub RunPPT-InvokeMacro()
' Execute Powerpoint and invoke the macro EXAMPLE
' EXAMPLE must be available to PPT, in an auto-loaded add-in, for example

' Start PowerPoint
Dim oPPTApp As PowerPoint.Application

On Error Resume Next
Set oPPTApp = New PowerPoint.Application
oPPTApp.Visible = True

' Were we able to start PPT?
If Err.Number <> 0 Then
Set oPPTApp = Nothing
Exit Sub
End If

' Insert other error/sanity checks here to ensure that there really is an instance
' of PPT loaded

' Having established that PPT is loaded you could also test for the presence of the expected add-in
Dim lTemp as Long
Dim bAddinLoaded as Boolean
For lTemp = 1 to oPPTApp.Addins.Count
if oPPTApp.Addins(lTemp) = "YourAddin" then
bAddinLoaded = True
end if
Next lTemp

if not bAddinLoaded Then
Set oPPTApp = Nothing
Exit Sub
End if


' And quit PPT

End Sub

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Invoke PPT and run a macro from VB
Last update 07 June, 2011