单项选择题
You need to add a pop-up menu to the CV_EMP canvas to display when a user right-clicks the mouse within the canvas. How could you create the pop-up menu?()
A.Use the Layout Editor to create a pop-up menu, assign commands to the menu in the Menu Editor, and attack the menu items to the canvas.
B.Use the Report Wizard to create a pop-up menu and attack the menu items to the canvas.
C.Alter the pop-up Menu Property value in the Property Palette of the canvas.
D.Use the Object Navigator to create a pop-up menu, assign commands to the menu items, and attack the menu to items or canvases.
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