Dim GuidePath As String = "PDF\abc.pdf"
Dim fullPath As String = System.IO.Path.GetFullPath(GuidePath)
Dim GuideURI As Uri = New Uri(fullPath, UriKind.Absolute)
webbrowser.Navigate(GuideURI)
运行后直接打开了个ADOBE ACROBAT,然后在ADOBE ACROBAT里开了PDF。。。webbrowser上空白。。。请问是不是还需要添加什么东西?