private void MediaStrip_OnImageClicked(object sender, EventArgs e) { //MessageBox.Show("ImageBox " + (string)sender + " Clicked"); //PPTMediaApplication.PPTApplication. slideIndex = System.Int32.Parse(sender.ToString()); slides = ActiveMediaItem.PPTPresentation.Slides; try { ActiveMediaItem.PPTPresentation.SlideShowWindow.View.GotoSlide(slides.FindBySlideID(slideIndex).SlideNumber); } catch (Exception ex) { MessageBox msgbox; } }