Checking the computer whether installed MS PowerPoint viewer.
Public Function bool IsPPTViewerInstalled()
No Parameter
Return Value return true if MS PowerPoint Viewer installed. Otherwise return false.
Example
Visual Basic Syntax Public pptviewerObj As Object Set pptviewerObj = CreateObject("POWERPOINTVIEWER.PowerPointViewerCtrl.1")
If pptviewerObj.IsPPTViewerInstalled Then pptviewerObj.Open "c:\yourppt.pptx", 0, 0, 640, 480 else MsgBox "Your computer have not installed MS Power Point Viewer, try installing it first" end if
