'宣言 Public Class ColumnCopy Inherits ColumnDerived
public class ColumnCopy : ColumnDerived
'宣言 Public Class ColumnCopy Inherits ColumnDerived
public class ColumnCopy : ColumnDerived
System.Object
C1.DataEngine.Column
C1.DataEngine.ColumnDerived
C1.DataEngine.ColumnCopy