单项选择题
You are developing a component by using the .NET Framework 3.5.The component provides a method named PrintPayroll.The component will be installed with full trust on the computer of the user.
You need to ensure that the component can print without granting additional permissions to the calling application.Which code segment should you use？（）
A.A
B.B
C.C
D.D
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You are creating a Windows Forms application using the .NET Framework 3.5.You implement the PrintPage page event for a form.The users must be able to print the pages by using the Landscape orientation.You need to ensure that the users can set the page settings before printing. Which code segment should you use？（）
A.A
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You are creating a Windows Forms application for a book retailer by using .Net Framework 3.5.You are creating a Windows form to allow users to maintain a list of books. You write the following code segment. The variables strTitle and strISBN are already initialized with the necessary values. Which code segment should you insert at line 07？（）
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单项选择题
You are creating a Windows Forms application using the .NET Framework 3.5.You implement the PrintPage page event for a form.The users must be able to print the pages by using the Landscape orientation.You need to ensure that the users can set the page settings before printing. Which code segment should you use？（）
A.A
B.B
C.C
D.D
