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VB.NET StateManagedCollection.CreateKnownType方法代碼示例

本文整理匯總了VB.NET中System.Web.UI.StateManagedCollection.CreateKnownType方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET StateManagedCollection.CreateKnownType方法的具體用法?VB.NET StateManagedCollection.CreateKnownType怎麽用?VB.NET StateManagedCollection.CreateKnownType使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Web.UI.StateManagedCollection的用法示例。


在下文中一共展示了StateManagedCollection.CreateKnownType方法的1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: SetDirtyObject

'////////////////////////////////////////////////////////////
'
' The strongly typed CycleCollection class is a collection
' that contains Cycle class instances, which implement the
' IStateManager interface.
'
'////////////////////////////////////////////////////////////
<AspNetHostingPermission(SecurityAction.Demand, _
    Level:=AspNetHostingPermissionLevel.Minimal)> _
               Public NotInheritable Class CycleCollection
    Inherits StateManagedCollection

    Private Shared _typesOfCycles() As Type = _
        {GetType(Bicycle), GetType(Tricycle)}

    Protected Overrides Function CreateKnownType(ByVal index As Integer) As Object
        Select Case index
            Case 0
                Return New Bicycle()
            Case 1
                Return New Tricycle()
            Case Else
                Throw New ArgumentOutOfRangeException("Unknown Type")
        End Select

    End Function


    Protected Overrides Function GetKnownTypes() As Type()
        Return _typesOfCycles

    End Function


    Protected Overrides Sub SetDirtyObject(ByVal o As Object)
        CType(o, Cycle).SetDirty()

    End Sub
End Class
開發者ID:VB.NET開發者,項目名稱:System.Web.UI,代碼行數:39,代碼來源:StateManagedCollection.CreateKnownType


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