Dim ppApp As New Microsoft.Office.Interop.PowerPoint.Application
Sample
Imports Microsoft.Office.Interop.PowerPoint
Public Class AspNetConnectPowerPoint
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim ppApp As Microsoft.Office.Interop.PowerPoint.Application
Try
ppApp = New Microsoft.Office.Interop.PowerPoint.Application
Me.lblText.Text = "Object PowerPoint Created"
Catch ex As Exception
Me.lblText.Text = "PowerPoint Err. " & ex.Message
End Try