

'宣言 Public Class RenderVerticalTextFragment Inherits RenderTextFragment Implements IDocumentLocation
'使用法 Dim instance As RenderVerticalTextFragment
public class RenderVerticalTextFragment : RenderTextFragment, IDocumentLocation
System.Object
   C1.C1Preview.RenderFragment
      C1.C1Preview.RenderTextFragmentBase
         C1.C1Preview.RenderTextFragment
            C1.C1Preview.RenderVerticalTextFragment