

'宣言 Public MustInherit Class C1dExporterBase Inherits C1ExporterBase
'使用法 Dim instance As C1dExporterBase
public abstract class C1dExporterBase : C1ExporterBase
System.Object
   C1.C1Preview.Export.Exporter
      C1.C1Preview.Export.C1ExporterBase
         C1.C1Preview.Export.C1dExporterBase
            C1.C1Preview.Export.C1dbExporter
            C1.C1Preview.Export.C1dExporter
            C1.C1Preview.Export.C1dxExporter