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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application has a mobile Web form that contains the following ObjectList control. 

You create an event handler named ObjectListCtrl_ItemCommand. 
You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item. 
Which code segment should you write？ （）

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
The application contains the following code segment. Public Class CapabilityEvaluator 
Public Shared Function ChkScreenSize（ _ 
ByVal cap As System.Web.Mobile.MobileCapabilities， _ 
ByVal arg As String） As Boolean 
Dim screenSize As Integer = cap.ScreenCharactersWidth * _ 
cap.ScreenCharactersHeight 
Return screenSize < Integer.Parse（arg） 
End Function 
End Class 
You add the following device filter element to the Web.config file. 
<filter name="FltrScreenSize" 
type="MyWebApp.CapabilityEvaluator，MyWebApp"
method="ChkScreenSize" /> 
You need to write a code segment to verify whether the size of the device display is less than 80 characters. 
Which code segment should you use？（）