

'宣言 Public Class PreviewPageDocBase Inherits PreviewPageBase
'使用法 Dim instance As PreviewPageDocBase
public class PreviewPageDocBase : PreviewPageBase
System.Object
   C1.Win.C1Preview.PreviewPageBase
      C1.Win.C1Preview.PreviewPageDocBase
         C1.Win.C1Preview.PreviewPageC1Doc
         C1.Win.C1Preview.PreviewPageMultiDoc