本文整理匯總了VB.NET中System.Data.Linq.Mapping.InheritanceMappingAttribute類的典型用法代碼示例。如果您正苦於以下問題：VB.NET InheritanceMappingAttribute類的具體用法？VB.NET InheritanceMappingAttribute怎麽用？VB.NET InheritanceMappingAttribute使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了InheritanceMappingAttribute類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1:
Public Enum ShapeType As Integer
Square = 0
Circle = 1
End Enum
<Table(Name:="Shape")> _
<InheritanceMapping(Code:=ShapeType.Square, Type:=GetType(Square), _
IsDefault:=True)> _
<InheritanceMapping(Code:=ShapeType.Circle, Type:=GetType(Circle))> _
Public MustInherit Class Shape
<Column(IsDiscriminator:=True)> _
Public ShapeType As ShapeType = 0
End Class
Public Class Square
Inherits Shape
<Column()> _
Public Side As Integer = 0
End Class
Public Class Circle
Inherits Shape
<Column()> _
Public Radius As Integer = 0
End Class示例2:
' Unmapped and not queryable.
Class A
End Class
' Mapped and queryable.
<Table()> _
<InheritanceMapping(Code:="B", Type:=GetType(B), _
IsDefault:=True)> _
<InheritanceMapping(Code:="D", Type:=GetType(D))> _
Class B
Inherits A
End Class
' Unmapped and not queryable.
Class C
Inherits B
End Class
' Mapped and queryable.
Class D
Inherits C
End Class
' Unmapped and not queryable.
Class E
Inherits D
End Class