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【单选题】

You are creating a Windows Forms Application by using the .NET Framework 3.5.You plan to design a new control that will be used on multiple forms in the app.You need to ensure that the control meets the following requirement  (1)It retrieves data from a MSSQL Server 2008 database instance. (2)It uses WPF classes to display data.  (3)It uses user-customizable actions when the control is first painted on the form.   What should you do?()

A、Create a new custom class for the control that is derived from the Control class.

B、Create a new custom class for the control that is derived from the UserControl class.

C、Create a new custom class for the control that is derived from the ContentControl class.

D、Create a new custom class for the control that is derived from the ContentPresenter class.

更多“You are creating a Windows Forms Application by using the .NET Framework 3.5.You plan to design a new control that will be used on multiple forms in the app.You need to ensure that the control meets the following requirement  (1)It retrieves data from a MSSQL Server 2008 database instance. (2)It uses WPF classes to display data.  (3)It uses user-customizable actions when the control is first painted on the form.   What should you do?()”相关的问题
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