The following statements refresh the active page window and the first page window of the first web.
ActivePageWindow.Refresh
WebWindows(0).PageWindows(0).Refresh
you can use the following statement to save any changes you may have made to the page.
ActivePageWindow.Refresh(True)
You can use the following statements to refresh the active web and the first web.
ActiveWeb.Refresh
Webs(0).Refresh